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Issaquah City Zoning Code

PART V

Specified Use Standards

18.506.010 Community facilities standards.

A. Approval of Community Facilities. A community facility land use may be permitted in zoning designations other than community facilities if it is a permitted use in IMC 18.402.020 and is in compliance with the zoning designation’s standards, not CF standards. The site may subsequently be reviewed for a rezone to community facilities in accordance with Chapter 18.216 IMC, Site-Specific Rezones.

B. Exceptions – Public Utility Facilities.

1. Significant Elements. Compatibility of architectural form is not applicable to a utility facility where significant elements of the facility are not housed in a building; however, screening is required as established in this section to ensure compatibility with adjacent uses.

2. Isolated Elements. Compatibility of architectural form is not applicable for isolated minor elements such as pad-mounted transformers, telephone pedestals, and metering stations; however, screening is required as established in this section to ensure compatibility with adjacent uses.

3. Development Standards. All minor utility facilities and those major utility facilities that are not intended for occupancy must conform to development standards including setback, height standards, and impervious surface of the most restrictive contiguous zoning district as established in Chapter 18.404 IMC, Form and Intensity.

4. Height. Public utility structures such as communication towers and water storage tanks must be designed so as to be the lowest height possible to adequately serve the needs of the utility and must comply with Chapter 18.512 IMC, Wireless Communication Facilities (WCF), if applicable.

5. Undergrounding. Public utility facilities such as communication facilities must be installed in accordance with Chapter 18.512 IMC, Wireless Communication Facilities (WCF). Public utility facilities such as distribution lines are to be installed underground in accordance with the terms and conditions established by the Washington Utilities and Transportation Commission.

6. Noise. No machinery or equipment shall cause noise beyond established standards in IMC 18.518.020.

7. Residential Areas.

a. Impacts. Public utility facilities must, whenever possible, be located and designed to minimize adverse impacts on adjacent residential properties;

b. Storage. In residential zones, outdoor storage of public utility related vehicles or any outdoor storage of public utility related materials outside the public utility buildings or structures must be screened from adjacent properties in accordance with IMC 18.606.070, Required landscape by zone and land use.

8. Screening. The public utility facility must be screened to ensure compatibility with adjacent uses. Public utility facilities such as transformers, regulator stations, substations, and other such mechanical structures must be screened with landscaping and/or other such material in accordance with IMC 18.606.070, Required landscape by zone and land use.

9. Major or minor utilities sited within the Community Facilities – Open Space (CF-OS) zone must also meet the approval criteria in subsection C of this section as well as provide an alternative analysis report addressing the following items to demonstrate the proposed project is the preferred site given economic, natural resources, and the proposed mitigation measures:

a. Economic Analysis. Costs associated with the use of each alternative site must be established, including appraised value, acquisition costs, neighborhood impacts, and the intrinsic value of the open space to the neighborhood, City, and natural resources of the area.

b. Natural Resource Analysis/Assessment. The analysis must be conducted for site alternatives located within the CF-OS, CF-F and CF-Rec zones and must include an analysis of the site’s geologic, biological, scenic, and visual, cultural/archaeological, water quantity and quality, and recreational resource values. The analysis must:

(1) Address and demonstrate how the project proposal will affect the aforementioned natural resources individually or cumulatively;

(2) Evaluate potential impacts to habitat types of sufficient size necessary to support any species present;

(3) Demonstrate how habitat corridors with adequate cover and width to allow for unrestricted movement of animals between areas of intact habitat must be maintained;

(4) Evaluate the impacts of locating land uses adjacent to habitat types and corridors that require minimal disruption of the needs of species present in the habitat type through direct or indirect means.

c. Mitigation Measures. The alternative analysis report must propose mitigation measures to offset the negative impacts associated with the proposed project development.

C. Approval Criteria – Nonutility Community Facilities Including Public Buildings. Development is permitted in Community Facilities zones only when all of the following criteria are met and as permitted in IMC 18.402.020, Table of permitted uses:

1. Accessory retail/commercial uses are permitted as allowed in Chapter 18.508 IMC, Accessory Uses and Structures.

2. Architectural Form and Character. Community facility public buildings must meet all applicable design requirements of the subarea in which they are located and the following:

a. Be efficiently sited to use the smallest possible footprint; and

b. Regardless of location, the building must comply with IMC 18.600.044, Views of vistas preservation. (Ord. 3016 § 4 (Exh. D), 2023).

18.506.020 Outdoor recreation facilities.

A. Applicability. This section only applies to privately developed, owned, and maintained outdoor recreation facilities and not to City developed, owned, and maintained outdoor recreation facilities.

B. Purpose. The purpose of defining standards for outdoor recreation facilities is to ensure that safe and functional facilities are provided that are compatible with the surrounding area. Due to the diverse types of recreation facilities, the standards are general in scope.

C. Approval Criteria. The following approval criteria are required for all outdoor recreation facilities:

1. Access. Existing or proposed motorized and nonmotorized access to and through facilities, including barrier-free, pedestrian and bike, are provided;

2. Maintenance. Long-term maintenance requirements are identified, funding options are noted, and a long-term maintenance program is provided;

3. Phasing. Phasing, if any, of the construction of the facility is identified;

4. Users. The users that the facility is intended for match with the range of likely users, with potential conflict among user groups minimized;

5. Waste/Recycling. Waste/recycling receptacles are provided; and

6. Parking/Traffic. Provision for adequate on-site parking; impacts of the proposed facility upon neighborhood traffic identified and required mitigation provided. (Ord. 3016 § 4 (Exh. D), 2023).

18.506.030 Essential public facilities.

A. The purpose and intent of this section is to provide a process for identifying and siting various types of essential public facilities as defined in and as required by RCW 36.70A.200.

B. Exemptions. Maintenance, repair, or replacement of elements of an existing essential public facility are exempt from the supplemental development standards established in this section and from the review procedures established in IMC 18.204.030, Review process. However, these proposals are subject to other regulations in this Code such as the Shoreline Master Program and critical areas regulations.

C. General Approval Criteria. Essential public facilities must be approved when all of the following criteria are met:

1. Architectural Form and Character. A building that houses all or most of an essential public facility must conform to existing architectural form and design of surrounding buildings; and

2. Residential Areas. Essential public facilities must, whenever possible, be located and designed to minimize adverse impacts on nearby residential areas.

D. Approval Criteria – Secure Community Transition Facilities. In addition to the approval criteria above, secure community transition facilities (SCTFs) as defined in RCW 71.09.020 are subject to regulations established and enforced by Washington State in Chapter 71.09 RCW, and must further meet the following approval criteria:

1. Facility Size. The maximum size of any SCTF is 15 beds. The number of beds within a facility, after the facility is operating, may not increase without going through the Level 4 review process in IMC 18.204.020.

2. Screening. The periphery of the entire site devoted to the SCTF must be screened year-round with opaque screening no less than six feet in height from grade. When evergreen plantings are used, the plantings must be six feet from grade at the time of planting and must be maintained by the property owner. Opaque screening may include masonry walls or solid wood fencing.

3. Security and Operating Procedures. Prior to issuance of a certificate of occupancy, the State and the City must enter into a long-term agreement regarding security and operating procedures of the facility.

4. Location.

a. A SCTF is not permitted to locate adjacent to, across the street from, or within sight distance of any of the following facilities:

(1) Public or private school;

(2) School bus stop;

(3) Licensed day care;

(4) Licensed preschool;

(5) Public park;

(6) Public trail;

(7) Sports field;

(8) Playground;

(9) Recreational or community center;

(10) Religious/memorial facility;

(11) Public library. (Ord. 3016 § 4 (Exh. D), 2023).

18.506.040 Allowed deviations to this chapter.

A. Deviations from the separation requirements described in IMC 18.506.030(D)(4)(a) may be granted if the applicant demonstrates that all of the following criteria are met:

1. The natural physical features of the land would result in an effective separation between the proposed SCTF and the protected use in terms of visibility and access;

2. The proposed SCTF is otherwise compatible with adjacent and surrounding land uses;

3. There is a lack of alternative locations for the proposed SCTF; and

4. The applicant has proposed conditions that would minimize the adverse secondary effects of the proposed SCTF.

B. Application of Separation Requirements to Lawfully Located SCTF. A facility listed in IMC 18.506.030(D)(4)(a) may not benefit from the separation requirements of this section if the facility chooses to locate within 500 feet of a lawfully located and licensed SCTF. A SCTF is lawfully located if it has located within the City in accordance with the requirements of this section. (Ord. 3016 § 4 (Exh. D), 2023).

18.508.010 Intent.

The intent of these accessory uses and structures standards is to:

A. Provide the opportunity to add structures supportive of the principal use;

B. Maintain a compatible form and intensity with surrounding properties in residential areas; and

C. Ensure accessory uses do not adversely affect neighboring uses through noise and visual impacts. (Ord. 3016 § 5 (Exh. E), 2023).

18.508.020 Applicability.

A. The standards in this chapter apply to all specified accessory uses and structures permitted according to IMC 18.402.020, Table of permitted uses, except that:

1. Accessory dwelling units are regulated separately per IMC 18.500.090, Accessory dwelling unit standards, and are not subject to this chapter.

B. To be considered as an accessory use, the use must meet all the following criteria:

1. The use is on the same lot as a principal or primary use;

2. The use has similar or consistent impacts as the principal use; and

3. The use is subordinate or dependent on the principal use. For example, a noncommercial greenhouse in a residential neighborhood. (Ord. 3016 § 5 (Exh. E), 2023).

18.508.030 General standards for all accessory structures and amenities.

A. Applicability. This section applies to accessory structures and amenities to a principal use (“accessory structures”). Examples include:

1. Utility sheds/buildings and greenhouses;

2. Mechanical equipment, includes but is not limited to air conditioner units, air compressors, and heat pumps; and

3. Minor elements such as decks, porches, patios, walkways, and ramps.

B. General Standards for All Accessory Structures.

1. Accessory structures and amenities may not be located in or on a public utility or access easement.

2. Accessory structures must comply with required setbacks, unless specifically excepted below.

3. Accessory structures may not be located in a front setback area.

4. Mechanical equipment located in a side setback area must be placed adjacent to the primary structure as operationally feasible and in a location that minimizes impacts on adjacent properties.

C. Sheds, Greenhouses, and Other Accessory Buildings. The following additional standards apply to accessory buildings:

1. Accessory buildings exceeding 200 square feet in floor area require a building permit.

2. The height of a detached accessory building in residential zones may not exceed one story and may not exceed 15 feet.

3. Location. An accessory building:

a. Must be located a minimum of six feet from the principal structure;

b. On a corner lot, it must be set back from the street at least as far as any primary structure of an adjacent lot, as shown in Figure 18.508.030(C).

Figure 18.508.030(C). Accessory Building on a Corner Lot

D. Mechanical Equipment. Heat pumps, air conditioner condensers, and similar mechanical equipment located on single-family and townhome lots must not exceed 55 dbA during the day and 45 dbA at night as measured at the property line. If this State-adopted standard cannot be met, then the units shall provide all the following mitigation measures.

1. Placed farthest from the neighboring properties as practically feasible.

2. Fencing or vegetation buffer as a noise barrier when practically feasible.

3. Install quieter components onto the mechanical equipment, such as a sound blanket or quieter fans.

E. Decks, Porches, Patios, Walkways and Other Minor Accessory Structures. The following additional standards apply to minor accessory structures such as decks, porches, walkways, patios, and ramps:

1. Structures with a floor height 30 inches or more above finished grade must obtain a building permit;

2. A minor accessory structure must comply with required setbacks in accordance with IMC 18.404.090, Residential zones form and intensity standards.

a. A structure with a height of less than 30 inches above finished grade may extend into a side or rear setback, but no closer than three feet from any property line, as shown in Figure 18.508.030(D)(2)(b); and

Figure 18.508.030(D)(2)(b). Minor Accessory Structures Located in Setback: Less Than 30 Inches Above Grade

b. Ramps required for barrier-free access may extend into required setbacks but must be limited to the extent necessary to meet the Building Code requirements. (Ord. 3108 § 1 (Exh. A), 2025; Ord. 3068 § 1 (Exh. A), 2024; Ord. 3016 § 5 (Exh. E), 2023).

18.508.040 Heliports.

A. The following standards apply to all heliports, including but not limited to hospital transport or business/public use transport that are an accessory use:

1. These requirements may only be modified in special circumstances upon written technical evaluation and recommendation of the Federal Aviation Administration (FAA) Airport District Office, or Washington State Department of Transportation, Division of Aeronautics Office.

B. General Review Standards.

1. To limit noise impacts, the City may impose conditions restricting the type of aircraft permitted to land at an approved heliport, and conditions that limit the number of daily takeoffs and landings and hours of operation.

2. The City may impose a periodic review requirement on heliport approvals in order to consider imposing additional conditions to mitigate adverse impacts from new aircraft technology.

C. Heliport Location and Design.

1. All applications to construct a heliport must include the results of the appropriate FAA review. A determination of negative impact on navigable airspace by the FAA will result in denial of a City land use permit unless the applicant agrees to comply with the FAA recommendations to mitigate such impacts. The mitigating measures shall be made conditions of the City’s land use permit;

2. The facility must participate in a noise reduction program, such as Fly Neighborly;

3. A heliport site must have flight path access directly to the interstate highway system which does not require flight over any residentially zoned properties;

4. Approach and departure paths must be obstruction free and environmentally critical areas shall not be adversely affected. In addition, flight paths and altitude requirements are required to minimize noise and echoing within Central Issaquah and Olde Town;

5. Heliport landing areas must be at least one and one-half times the overall length of the largest helicopter expected to use the facility;

6. Obstructions, natural or manmade, may not be within the heliport primary surface, heliport approach surfaces, or heliport transition surfaces, per FAA guidance such as AC No: 150/5390-2C;

7. Access to heliport landing areas, except water surfaces, must be controlled by physical restraints. If fences, walls, or parapets are used for access control, the minimum height must be 42 inches; and

8. All approaches to helicopter operation areas must have conspicuous signs notifying approaching persons.

D. Public use heliports must be marked in accordance with FAA recommendations and must follow the following stricter regulations:

1. Traffic patterns must be over freeway paths only;

2. Use at night, if permitted, must be limited and exact hours of operation will be a condition determined with land use permit. (Ord. 3016 § 5 (Exh. E), 2023).

18.510.010 Intent.

The standards in this chapter intend to enable economic and ephemeral uses that enhance the public realm and pedestrian-oriented businesses, while ensuring neighboring uses are not adversely impacted. (Ord. 3016 § 6 (Exh. F), 2023).

18.510.020 Applicability.

A. The standards in this chapter apply to:

1. A use that is temporary, lasting between one to 180 days;

2. A structure that is placed or constructed on a site on a temporary basis, between one day and 180 days;

3. Temporary retail sales, including food and nonfood sales, lasting from one to 365 days in operation.

B. A temporary use or structure may be an accessory or nonaccessory use. In addition to the standards in this chapter, a temporary accessory use or structure must also meet applicable standards in Chapter 18.508 IMC, Accessory Uses and Structures.

C. Permits and licenses may be required per Chapter 5.14 IMC, Special Event/Use Permits, and IMC 18.204.020, Review levels. (Ord. 3016 § 6 (Exh. F), 2023).

18.510.030 Temporary structures or uses.

A. Applicability. This section applies to temporary uses or structures. Examples include, but are not limited to:

1. An outdoor retail display as an accessory to an existing retail shop or use;

2. Seasonal stands, such as operations selling Christmas trees;

3. A mobile food truck, trailer, or cart, operating on a private lot; and

4. A temporary trailer or staging area for construction projects.

B. General Standards Applicable to All Temporary Structures or Uses.

1. The location of the structure or use on the sidewalk or near the store front must meet barrier-free requirements, per the Building Code;

2. Nonaccessory vending stands are not permitted in the CBD;

3. The use must receive a City business license, per Chapter 5.02 IMC, Business Licenses, if applicable;

4. Permanent fencing, walls, or other structures that hinder removal of the structure from the site are not allowed;

5. The structure or use is located where there is safe ingress and egress from the street, including a clear sight area adjacent to the street;

6. The structure or use location on the sidewalk or near a storefront maintains at least four feet of unobstructed sidewalk between the building/structure and the sidewalk edge for pedestrian movement;

7. The use must follow the time limits in Table 18.510.030(A), Table of Temporary Structure and Use Time Limits. A use that exceeds these time limits is considered a principal or permanent use per IMC 18.402.020, Table of permitted uses, and must meet all standards for same.

Table 18.510.030(A). Table of Temporary Structure and Use Time Limits

Temporary Use

Duration (days)

Development Standards Reference

Nonaccessory Retail Sales

Examples: seasonal stands and pop-up retail

60

IMC 18.510.040(B)

Accessory Retail Sales During Business Hours

Examples: sidewalk displays, tent sales

60

IMC 18.510.040(B); IMC 18.510.040(E)

Mobile Retail on Private Property

Example: food trucks

365

IMC 18.510.040(B); IMC 18.510.040(E)

C. Standards Applicable to All Mobile Food Trucks.

1. A food truck may operate in a zone where it is identified as a permitted use in IMC 18.402.020, Table of permitted uses.

2. A food truck operating longer than two consecutive days on the same private property must obtain a mobile food vendor permit annually.

3. A food truck vendor located on private property must obtain permission from the property owner prior to operating.

4. The food truck must have fully functional wheels and be able to move immediately by being towed or driven without the removal of blocks or other structural devices.

5. A food truck must be located on a paved surface. If the food truck will be operating within a parking area, it may not intrude into the drive aisle, block fire lanes, or result in the site providing less than the required minimum number of parking stalls.

6. A food truck may not be parked in a location that will impede garbage collection.

7. Food truck signage must adhere to Chapter 18.612 IMC, Signs.

8. No food truck vendor may generate any noise that exceeds the standards in IMC 18.518.020, Noise control, or use mechanical audio or noise-making devices to advertise products.

9. A food truck vending site must be clean and orderly at all times, and the food truck vendor must adhere to Chapter 8.07 IMC, Food Packaging, which includes providing sufficient garbage, recycling, and composting receptacles nearby to accommodate all refuse generated by the operation.

10. Illicit discharge is prohibited.

11. The Director may suspend or revoke any issued mobile food vendor permit at any time for the following:

a. The food truck vendor does not possess valid King County Health Department permits or other required approvals;

b. The food truck location adversely impacts the primary use of the site; or

c. The food truck does not adhere to the provisions outlined in this chapter and other applicable regulations in this Code. (Ord. 3016 § 6 (Exh. F), 2023).

18.510.040 Temporary retail sales standards.

A. The standards in this section intend to:

1. Ensure accessible sidewalks and rights-of-way while providing opportunities for retail that enhance the public realm; and

2. Enhance the opportunities for local business development through temporary retail uses, including pop-up retail.

B. Applicability. The standards in this section apply to temporary retail sales, including food and nonfood sales lasting from one to 60 days in operation. Retail uses that exceed these time limits are considered principal or permanent uses per IMC 18.402.020, Table of permitted uses, and must meet all standards for same.

1. The following types of sales are exempt from this section:

a. Mobile food and retail sales, such as ice cream trucks and mobile convenience stores that move constantly from place to place and not do not remain for longer than one hour in the same location. For such mobile sales and retail, see Chapter 5.06 IMC, Solicitor’s License.

b. Informal temporary food and drink sales, such as children’s lemonade stands or fundraisers, that are not required to obtain a business license per IMC 5.02.070, Exemptions, and 5.02.080, Fees – Fee waivers – Time for payment – Penalty.

C. Right-of-Way Permit. A use within the right-of-way must obtain a ROW use permit in accordance with Chapter 12.40 IMC, Roadway Access Permitting. If the use is on a sidewalk within the right-of-way, it must obtain a permit in accordance with IMC 12.05.040, Permit required for sidewalk use.

D. Standards for Nonaccessory, Temporary Retail on Private Property. The following standards apply to vendors on private property that do not have a principal building or structure. For example, a food truck parked on an empty lot or a private parking lot.

1. The use may not exceed the duration established in Table 18.510.030(A), Table of Temporary Structure and Use Time Limits.

2. The maximum permissible size for nonmotorized mobile vending units may not exceed 10 feet in length.

3. Prohibited. No mechanical audio or noise making devices and no hawking is allowed with any temporary retail use. Hawking is the loud, repeated oral solicitation of business by the vendor or an assistant.

4. The vending site must be kept clean and orderly at all times, and the vendor must provide a refuse container, including compost, and is encouraged to provide containers for recycling.

5. When located within a parking lot of a private location, the applicant must identify the location where the mobile vending unit will be located and provide a circulation plan. The location and circulation plan requires approval by the City Traffic Engineer to ensure the vending unit will not interfere in any way with vehicular or pedestrian traffic or safety.

6. If a vendor occupies parking spaces, the site must still be able to comply with applicable parking requirements of Chapter 18.604 IMC, Parking, excluding the parking space(s) occupied by the mobile vending unit.

E. Outdoor Accessory, Temporary Retail Uses. The following standards apply to sales that are accessory to a principal commercial use that occur outside in a nonpermanent structure that can be moved or disassembled. Uses include outdoor retail display and/or a sidewalk sale accessory use to a permitted permanent use when the use provides economic opportunities for existing businesses while encouraging pedestrian activity in commercial areas.

1. The use may not exceed the duration established in Table 18.510.030(A), Table of Temporary Structure and Use Time Limits.

2. Outdoor retail display and retail stands that are not accessory to a permanent permitted use are not allowed in the CBD, except for seasonal vending stands which are limited to Christmas tree stands and produce stands.

3. Safe ingress and egress to businesses as well as to automobiles in on- and off-street parking without impacting compliance with the Americans with Disabilities Act must be maintained.

4. Safe visibility for transportation and pedestrian access must be maintained.

5. The display does not negatively impact public services and operation, including fire and other emergency services. The display does not create any hazardous features or adversely affect the ability of the surrounding public facilities to be maintained.

6. The limited duration of the outdoor retail display must be established as a condition of approval of any applicable permits. (Ord. 3016 § 6 (Exh. F), 2023).

18.510.050 Temporary office trailers.

A. This section applies to structures such as temporary office trailers located on construction sites and temporary real estate sales offices. The standards intend to create opportunities for temporary structures to serve construction or business activities, while ensuring impacts are mitigated.

B. General Standards for Temporary Office Trailers for Construction and Real Estate Activities (Together “Temporary Office Trailers”).

1. Location. A temporary office trailer is allowed only if it is directly associated with construction or sales of a new building or site development occurring on the same or adjacent site to the trailer’s location.

2. A temporary office trailer must:

a. Be located on the project site; and

b. Not require additional grading outside of the approved grading permit for the project.

3. A temporary office trailer for construction activities is limited to the duration of the construction on the project site.

4. The construction trailer or temporary office must be removed from the site prior to the issuance of a certificate of occupancy for the building or use. (Ord. 3016 § 6 (Exh. F), 2023).

18.514.010 Intent.

A. The intent of this chapter is to provide incentives and regulations for development that provides housing for populations facing barriers to accessing housing within the City.

B. The provisions of this chapter are intended to:

1. Materially assist in providing adequate and affordable housing for all economic segments of the community; and

2. Provide a balance of affordable housing opportunities throughout the City;

3. Use increased development capacity in certain zones, including the Urban Core, to create voluntary and/or mandatory programs for affordable housing. (Ord. 3016 § 8 (Exh. H), 2023).

18.514.020 General affordable housing provisions.

A. The following provisions apply to affordable housing units required by or benefiting from any incentive established in this Code unless otherwise specifically exempted or addressed by the applicable Code section for specific affordable housing programs or by the provisions of an approved development agreement.

1. Duration.

a. Affordable units in owner-occupied housing projects must remain affordable for a minimum of 50 years from the date of initial owner occupancy.

b. Affordable units in renter-occupied housing projects must remain affordable as long as the project is used for residential purposes.

2. Approval of Affordable Housing Units. The designated official must review and approve the location and unit mix of the affordable housing units in projects containing both market rate and affordable units, consistent with the following standards, prior to the issuance of any building permit:

a. Location. The location of the affordable housing units must be approved by the City, with the intent that they are intermingled with all other dwelling units in the development.

b. Tenure. The tenure of the affordable housing units (ownership or rental) must be the same as the tenure for the rest of the housing units in the development.

c. Number of Bedrooms. The affordable housing units must consist of a range of the number of bedrooms that are comparable to the units within a mixed development containing both affordable and market rate units.

d. Size of Affordable Housing Units.

(1) Affordable housing units within a mixed development containing both affordable and market rate units must consist of a range of number of bedrooms that are comparable to units in the overall development.

(A) The square footage of the affordable housing units, if smaller than other units with the same number of bedrooms in the development, must be approved by the Director. In no case shall the affordable housing units be more than 10 percent smaller than the comparable dwelling units in the development based on the number of bedrooms, or less than 500 square feet for a studio unit, 600 square feet for a one-bedroom unit, 800 square feet for a two-bedroom unit, 1,000 square feet for a three-bedroom unit and 1,200 square feet for a four-bedroom unit, whichever is less. The Director has the discretion not to approve proposals for smaller units based on criteria that rooms within the units provide adequate space for their intended residential use.

(2) Square footage of affordable housing units within a development with only affordable units, no market rate units, in general must be no less than 500 square feet for a studio unit, 600 square feet for a one-bedroom unit, 800 square feet for a two-bedroom unit and 1,000 square feet for a three-bedroom unit. The Director has the discretion to approve proposals for smaller units based on criteria that:

(A) The rooms within the units provide adequate space for their intended residential use; and

(B) The affordability level (based on the Area Median Income) is decreased from what is required by this Code.

e. The interior finish and quality of construction of the affordable housing units must at a minimum be comparable to entry level rental or ownership housing in the City of Issaquah.

f. The exterior design of the affordable housing units must be compatible and comparable with the rest of the dwelling units in the development.

g. Timing/Phasing. The affordable housing units must be available for occupancy in a time frame comparable to the availability of the rest of the dwelling units in the development unless the requirements of this section are met through IMC 18.514.050, Central Issaquah alternative compliance – Off-site affordable housing units. The affordable housing covenant provided for in IMC 18.514.030, Affordable housing covenant, must include provisions describing the phasing of the construction of the affordable units relative to construction of the overall development. If the development is phased, the construction of the affordable units must be interspersed with the construction of the overall development throughout the phases.

3. Flexible Development Standards. Development standards for affordable housing units must be consistent with this chapter with the following exception:

a. Parking. Carports may be used for affordable housing unit parking spaces in lieu of structured parking; provided, that all parking types are available to all residents. (Ord. 3091 § 8 (Exh. G), 2025; Ord. 3016 § 8 (Exh. H), 2023).

18.514.030 Affordable housing covenant.

A. An affordable housing covenant must be recorded with the King County Department of Records and Elections prior to the issuance of a building permit for any development providing affordable housing pursuant to the requirements or incentives of this Code.

B. The recorded covenant must be a covenant running with the land and must be binding on the assigns, heirs and successors of the applicant.

C. The covenant must be in a form approved by the designated official and the City Attorney and must address price restrictions, homebuyer or tenant qualifications, affordability duration, phasing of construction, monitoring of affordability and any other topics related to the provision of the affordable housing units.

D. The covenant may, at the sole discretion of the City, establish a monitoring fee for the affordable units. The fee must cover the costs to the City to review and process documents and to maintain compliance with income and affordability restrictions of the covenant. (Ord. 3016 § 8 (Exh. H), 2023).

18.514.040 Central Issaquah development bonus program.

A. The intent of the Central Issaquah development bonus program is to:

1. Provide economic value for developers by allowing additional building square footage in exchange for a public benefit of affordable housing and/or public open space;

2. Create a connected system of open space and urban parks that provide a unique sense of place and enhance the values and functions of the natural environment; and

3. Encourage infill and redevelopment within Central Issaquah.

B. Applicability. The standards in this section apply to development within the Central Issaquah subarea.

C. General Provisions. Projects that seek to use the Central Issaquah development bonus program must comply with the following standards:

1. The standards of the underlying zone in which the project is located;

2. The terms of IMC 18.514.020, General affordable housing provisions, and 18.514.030, Affordable housing covenant; and

3. Building area exceeding the base building height and/or floor area ratio (FAR) established in Chapter 18.404 IMC, Form and Intensity, may be increased to the maximums established in Table 18.514.040, Summary of Public Benefit, in accordance with the provisions of this chapter.

D. Public Benefit Requirements – Mandatory and Elective.

1. All development bonus program projects must provide the applicable appropriate mandatory public benefit shown in Table 18.514.040 below. One-third of the public benefit is comprised of mandatory public benefit options. For each type of development, Table 18.514.040 provides the type of mandatory public benefit required and the amount to be provided.

2. The remaining two-thirds of the public benefit is comprised of elective public benefit options that must be received in exchange for the development bonus. Table 18.514.040 includes three elective options for the applicant to choose from.

Table 18.514.040. Summary of Public Benefit

Type of Development

Mandatory Portion

The applicant must provide the mandatory public benefit described below in exchange for one-third of the development bonus.

Elective Portion

The applicant must select one or more of these options to provide the public benefit required in exchange for the remaining two-thirds of the development bonus. The portion of the remaining development bonus allotted to each option is at the discretion of the applicant.

Public Benefit

Amount

Development Bonus Fee-In-Lieu

On-Site Affordable Housing

Public Open Space

Commercial

Development bonus fee per square foot

See IMC 18.514.050

See IMC 18.514.050

Affordable housing for low-income households for 20% of the development bonus square footage allotted to this option

One square foot of on-site open space outside of critical areas or one TDR acquisition, per square foot of the development bonus as provided by IMC 18.514.040(F)(1) or pursuant to IMC 18.514.040(F)

Retail

Other Nonresidential Uses

Residential

On-site affordable housing

20% of the development bonus square footage must be affordable housing at 80% AMI or below

Mixed-Use Residential

E. Public Benefit – Affordable Housing. The following provisions apply to projects using the development bonus program providing either mandatory or elective on-site affordable housing:

1. For fractions of a dwelling unit, the development bonus fee-in-lieu may be paid to satisfy the on-site affordable housing requirement for a fraction pursuant to IMC 18.514.050, Central Issaquah alternative compliance – Off-site affordable housing units.

2. Off-site affordable housing may be approved by the Director in accordance with IMC 18.514.050, Central Issaquah alternative compliance – Off-site affordable housing units.

F. Public Benefit – Open Space.

1. Projects providing public open space to fulfill the elective public benefit for the development bonus must:

a. Provide one additional square foot of on-site open space above the district standard, outside of critical areas for each square foot of the development bonus;

b. Purchase TDRs, in accordance with Chapter 18.806 IMC, Transfer of Development Rights, from authorized sending sites within the City; or

c. Acquire TDRs from the Issaquah Creek and Tibbetts Creek Watersheds in accordance with the City’s interlocal agreement with King County.

2. The applicant must demonstrate to the Director that the value of the TDR purchase equals or exceeds the amount of a mandatory development bonus fee-in-lieu.

3. The TDRs purchased from the City prior to submittal of a project using the development bonus program may not be used to satisfy the public benefit open space requirements of the development bonus program.

G. Development Bonus Fee-in-Lieu. Payment of a development bonus fee in lieu of constructing affordable housing units is subject to the following requirements:

1. The fee is allowed for one whole required affordable housing unit and portions of required affordable housing units that are less than 0.66 units. Rounding up to the next whole number of units is required when the calculated number of required affordable units results in a fraction of 0.66 or more.

2. The dollar value of a fee is the difference between the cost of construction for a prototype affordable housing unit on the subject property whether it is intended to be used as a rental or ownership unit, including land costs and development fees, and the revenue generated by an affordable housing unit.

3. The dollar amount of the fee must be established prior to issuance of any building permits for the project and are due prior to issuance of any certificate of occupancy for the project. Collected payments must be deposited in the City’s affordable housing account.

4. The development bonus fee-in-lieu must be collected prior to issuance of the building permit for the building benefiting from the development bonus.

5. Development bonus payments must be deposited in a development bonus fee-in-lieu account established solely to support the development of affordable housing and open space as set forth in this chapter. Earnings on balance in the account accrue to the account.

H. Development bonus fee-in-lieu funds may be used by the City for:

1. The purchase of real property or conservation easements for open space;

2. The purchase of development rights within the City limits in accordance with Chapter 18.806 IMC, Transfer of Development Rights, and the Issaquah and Tibbetts Creek Watershed in accordance with the City’s interlocal agreement with King County;

3. Indirect costs associated with the acquisition of real property and conservation easements including critical area surveys, title reports, appraisals, and stewardship plans;

4. Affordable housing.

I. The City must invest the development bonus fee funds as described above within 10 years of payment, and within the subarea within which the fees have been collected.

J. Development bonus fees will be allocated on a first in, first out basis.

K. Expenditures of development bonus fees require approval of the City Council.

L. City Council may approve the transfer of real property to the City in lieu of a development bonus fee when the value of the transferred property equals or exceeds the development bonus fee-in-lieu that would otherwise be paid.

M. The Finance Director is responsible for maintaining transaction records for the development bonus fee account.

N. Central Issaquah is the priority location for affordable housing funded wholly or in part with development bonus fees. However, the City Council may authorize the use of these funds for affordable housing projects in other areas of the City or East King County within close proximity to commercial uses, transit services and/or employment opportunities. (Ord. 3102 § 1 (Exh. A), 2025; Ord. 3016 § 8 (Exh. H), 2023).

18.514.042 Central Issaquah pioneer program.

A. Purpose. A “pioneer program” is in place to encourage development in Central Issaquah and implement the land use and housing goals and policies adopted in the City’s Comprehensive Plan.

B. Applicability. The standards in this section apply to residential and mixed-use developments within Central Issaquah Urban Core (UC) and Mixed-Use – Central Issaquah (MU-CI) zones, and the Vertical Mixed-Use (VMU) Overlay.

1. Projects which elect to use alternative compliance (IMC 18.514.050) or payment in lieu of constructing affordable units are not eligible for participation in the Central Issaquah pioneer program.

C. Program Provisions. Projects participating in the pioneer program must meet one of the following minimum thresholds:

Table 18.514.042.C. Pioneer Program – Central Issaquah Affordable Housing Minimum Thresholds

Percentage of Units of Affordable Housing Units Required

Renter or Owner-Occupied Housing Projects – Level of Affordable Housing Income

8%

60%

10%

80%

1. The affordable units provided under the pioneer program are eligible for Multifamily Tax Exemption (MFTE) as described in Chapter 3.09 IMC, Multifamily Housing Property Tax Exemption, upon designation of Central Issaquah as a residential targeted area.

D. General Provisions. Projects utilizing the pioneer program must comply with the following standards:

1. The standards of the underlying zone in which the project is located; and

2. The terms of IMC 18.514.020, General affordable housing provisions, and IMC 18.514.030, Affordable housing covenant.

E. Exemptions. Projects approved under the pioneer program are not required to comply with the following development regulations:

1. IMC 18.514.040, Central Issaquah development bonus program;

2. Base building height listed in Table 18.404.100(B), Mixed Zones Form and Intensity Minimum Standards; and

3. Base residential floor area ratio (FAR) listed in Table 18.404.150(B), Mixed Zones Floor Area Ratio (FAR) Standards.

F. Review.

1. Pioneer program enrollment applications will be processed as a Level 1 permit review consistent with IMC 18.204.020, Review levels, based on the approval criteria below.

2. Only two projects will be approved to participate in the pioneer program. Applications will be reviewed on a first-come, first-served basis. Within 28 days after receiving an application, the Department will issue a decision to the applicant, stating either:

a. The program application has been approved; or

b. The program application has been denied.

3. In the event that two pioneer program applications have already been approved, applicants may choose to withdraw any subsequently submitted applications or have their applications placed on a waitlist.

4. A pioneer program enrollment application must be submitted prior to a land use permit application to be eligible for the program.

5. No project or property owner may have more than one active pioneer program enrollment approval.

G. Approval Criteria. A pioneer program enrollment application shall be approved if the following criteria are met:

1. No more than two pioneer program enrollment application approvals are already active;

2. The applicant submitted a complete pioneer program enrollment application and does not already have an active pioneer program enrollment approval;

3. The project is located within the Urban Core (UC) or Mixed-Use – Central Issaquah (MU-CI) zones, or Vertical Mixed-Use (VMU) Overlay; and

4. Project is proposing no fewer than 100 units and no more than 400 units.

H. Validity. Pioneer program participation approval is only valid for the project and/or parcel for which it was issued and cannot be transferred to a different project or parcel. Initial program approval shall expire 90 days from the date of issuance unless the applicant submits a complete Level 4 land use permit application before the expiration. Upon submittal of a complete Level 4 land use permit application, the program approval shall remain valid during the following time periods:

1. During the time the Level 4 land use permit application is under review by the City, and, if approved, during the same period of time as the Level 4 land use permit approval;

2. For three years from the date of approval issuance for the pioneer program application, until a complete building permit for the associated primary construction of the project is submitted; and

3. During the time the associated primary building permit is under review, unless the associated primary building permit has expired or been withdrawn.

I. Extension. Initial pioneer program approval may be allowed one extension of 90 days upon written request to Department Director or designee; provided such request is received prior to the initial program approval expiration. A new application is required if the previous approval has expired.

J. Appeals. Appeals of pioneer program application decisions must follow IMC 18.204.200, Appeals. (Ord. 3052 § 1, 2024).

18.514.050 Central Issaquah alternative compliance – Off-site affordable housing units.

A. Approval Process for Alternative Compliance. As an alternative to providing some or all of the required affordable housing units on the subject property, the designated official may approve a request to provide the affordable housing units at another location within the City of Issaquah, consistent with the following criteria for alternative compliance.

B. Criteria for Alternative Compliance. The City may approve a request for alternative compliance if both of the following requirements are met:

1. The applicant demonstrates that the proposed alternative compliance method achieves an affordable housing benefit to the City equal to or better than providing the affordable housing units on site.

2. The affordable housing units provided through the alternative compliance will be the same type of affordable units as would have been provided on site.

C. Requirements for Off-Site Compliance. Off-site affordable housing units are subject to the following requirements:

1. The off-site location proposed does not lead to an undue concentration of affordable housing either at the off-site location or in any particular area of the City, as determined by the Director.

2. Any building permits required for the off-site affordable housing units must be submitted prior to submittal of building permits for the subject property. Certificates of occupancy for off-site affordable housing units must be issued prior to issuance of the final certificate of occupancy for the subject property. (Ord. 3016 § 8 (Exh. H), 2023).

18.514.060 Required affordable housing.

A. Affordable housing is required in the zones and overlay listed below in compliance with the terms provided in the applicable tables below. The affordable housing units must comply with the criteria in IMC 18.514.020, 18.514.030, and 18.514.050.

B. Urban Core Zone, Not Within the Vertical Mixed-Use Overlay. All multifamily and mixed-use development in the Urban Core zone, and not within the Vertical Mixed-Use Overlay, that includes residential uses, including assisted living, must provide affordable housing in the amount of one of the options shown in Table 18.514.060-1 for that portion of development permitted by the base density FAR.

Table 18.514.060-1. Urban Core Zone Not Within Vertical Mixed-Use Overlay

Percentage of Affordable Housing Units Required

Renter-Occupied Housing Projects – Level of Affordable Housing Income

Owner-Occupied Housing Projects – Level of Affordable Housing Income

Option 1

12.5%

60% AMI

70% AMI

Option 2

10%

50% AMI

60% AMI

C. Urban Core Zone, Within the Vertical Mixed-Use Overlay. All multifamily and mixed-use development in the Urban Core zone, and within the Vertical Mixed-Use Overlay, that includes residential uses, including assisted living, must provide affordable housing in an amount of one of the options shown in Table 18.514.060-2 for that portion of development permitted by the base density FAR.

Table 18.514.060-2. Urban Core Zone Within Vertical Mixed-Use Overlay

Percentage of Affordable Housing Units Required

Percentage of Median Income

Renter-Occupied Housing Projects – Level of Affordable Housing Income

Owner-Occupied Housing Projects – Level of Affordable Housing Income

Option 1

10%

70% AMI

80% AMI

and 5%

50% AMI

60% AMI

Option 2

10%

50% AMI

60% AMI

D. Mixed-Use – Central Issaquah (MU-CI) Zone. In the Mixed-Use – Central Issaquah zone, all multifamily and mixed-use development that includes residential uses, including assisted living, must provide affordable housing in an amount of one of the options shown in Table 18.514.060-3, Mixed-Use – Central Issaquah Affordable Housing, for that portion of development permitted by the base density FAR.

Table 18.514.060-3. Mixed-Use – Central Issaquah Affordable Housing

Percentage of Units of Affordable Housing Units Required

Renter-Occupied Housing Projects – Level of Affordable Housing Income

Owner-Occupied Housing Projects – Level of Affordable Housing Income

Option 1

7.5%

70% AMI

80% AMI

Option 2

5%

60% AMI

70% AMI

E. All multifamily and mixed-use development that includes residential uses, including assisted living, that is participating in the development bonus program, IMC 18.514.040, must comply with this section in addition to the development bonus program if located in the following areas:

1. Urban Core zone outside the Vertical Mixed-Use Overlay;

2. Mixed-Use – Central Issaquah; or

3. Urban Core zone within the Vertical Mixed-Use Overlay. (Ord. 3016 § 8 (Exh. H), 2023).

18.514.070 Annual report.

The Director must prepare and present an annual report to the City Council as part of the City’s annual budget process that provides the following information regarding the development bonus program:

A. The annual and cumulative amount of floor area obtained through use of the development bonus program;

B. The annual and cumulative acreage and location of development bonus open space provided by projects;

C. The annual and cumulative acreage of open space and conservation easements purchased with development bonus fee-in-lieu funds;

D. The annual and cumulative number of affordable housing units provided by projects from this chapter;

E. The annual and cumulative number of affordable housing units purchased with development bonus fee-in-lieu funds; and

F. The current balance in the development bonus fee-in-lieu account. (Ord. 3016 § 8 (Exh. H), 2023).

18.516.010 Intent.

The intent of the standards in this chapter is to:

A. Promote clean energy production by residents and businesses;

B. Ensure that alternative energy structures are compatible with the principal structure and development on adjacent properties;

C. Encourage alternative and sustainable energy systems while being mindful of the scale and size of surrounding uses and structures;

D. Provide alternatives to traditional energy use;

E. Promote reduction of energy use within the City; and

F. Provide opportunities for sustainable stormwater run-off and catchments systems on private property. (Ord. 3016 § 9 (Exh. I), 2023).

18.516.020 Applicability.

A. The standards in this chapter apply to:

1. Alternative energy uses as accessories to a principal use, such as a residential, commercial, or educational structure; and

2. Rain and stormwater catchment systems on private property, such as rain barrels on a residential lot.

B. This chapter does not apply to solar panels, which are regulated per Building Code. (Ord. 3016 § 9 (Exh. I), 2023).

18.516.030 Alternative energy systems.

A. Alternative energy systems include such tools as geothermal and wind energy systems. These standards apply to micro-scale energy generation systems accessory to a principal use.

B. All alternative energy systems must meet all of the following criteria:

1. Alternative energy systems may not be located within any building setback or required setback.

2. Alternative energy systems may only be installed after the applicant has provided evidence to the City that the utility company has been informed of the customer’s intent to install an interconnected customer-owned power generation system. Off-grid systems are exempt from this requirement.

C. Geothermal Energy Systems. The following standards apply to geothermal alternative energy systems:

1. Location.

a. Geothermal alternative energy systems must be located entirely within the subject property boundaries, or within appropriate easements.

b. No portion of a geothermal system may be located within a stream.

2. Geothermal systems within the critical aquifer recharge area (CARA) must comply with all requirements of IMC 18.802.350 through 18.802.390. Vertical or deep-bore geothermal systems are not permitted within Class 1 CARAs.

3. Open-loop geothermal systems are prohibited.

D. Wind Energy. The following standards apply to wind alternative energy systems:

1. Wind alternative energy systems (wind turbines) are allowed as an educational demonstration project to determine how the use of small wind turbines may affect the demonstration project site, surrounding properties, and the City as a whole.

2. Wind turbines may not be located in residential zones.

3. Wind turbine demonstration projects must be set back a minimum of 100 feet from the property line of any adjacent existing residential use.

4. The maximum diameter of rotor blades may not exceed 10 feet.

5. No part of a wind turbine may extend within 15 feet of the ground. Blades may not extend over parking areas, driveways, or sidewalks. (Ord. 3016 § 9 (Exh. I), 2023).

18.516.040 Residential rainwater catchment systems.

A. Applicability. This section applies to the structural elements of rainwater catchment systems and other forms of micro-scale stormwater management accessory to a residential use.

B. The following additional standards apply to rainwater catchment systems and associated elements:

1. A rainwater catchment system element may not extend into the front setback.

2. A rainwater catchment system element with a height of less than 54 inches above finished grade and that contains up to 600 gallons may extend into a side or rear setback up to 20 percent of the required linear distance, but no closer than three feet from the property line.

3. A rainwater catchment system with a height greater than 54 inches above finished grade or that contains over 600 gallons must comply with all required setbacks. (Ord. 3016 § 9 (Exh. I), 2023).

18.518.010 Applicability.

The standards in this chapter apply to all land uses. (Ord. 3016 § 10 (Exh. J), 2023).

18.518.020 Noise control.

A. WAC Sections Adopted by Reference. The City adopts the following sections of Chapter 173-60 WAC, as now existing or hereafter amended, by reference:

1. WAC 173-60-020, Definitions.

2. WAC 173-60-030, Identification of environments.

3. WAC 173-60-040, Maximum permissible environmental noise levels.

4. WAC 173-60-050, Exemptions.

B. No mechanical equipment may be operated so as to produce noise in levels above the limits specified in subsection A of this section as measured from the nearest property line of the parcel on which the equipment is located. Manufacturer’s specifications may be required to be submitted to the Community Planning and Development Department prior to issuance of the building permit. Verification that the maximum level is not being exceeded may also be required after construction, but prior to issuance of a certificate of occupancy.

C. Emergency Situations. The provisions of this section do not apply to noise caused by or resulting from an emergency situation as defined by the City’s Comprehensive Emergency Management Plan, as now existing or hereafter amended.

D. Exemptions. Heat pumps, air conditioner condensers, and similar mechanical equipment located on single-family and townhome style developments are exempt from subsection A of this section, provided the maximum dbA from these units does not exceed 73dbA or the units meet Air-Conditioning, Heating, and Refrigeration Institute (AHRI) standard 270. Also, see IMC 18.508.030(D) for additional standards. (Ord. 3108 § 2 (Exh. A), 2025; Ord. 3016 § 10 (Exh. J), 2023).

18.518.030 Animals and livestock.

A. The intent of this section is to ensure that animals are kept in a manner that does not impact adjacent property owners.

B. Animals kept as household pets in a dwelling unit must comply with King County Code (KCC) 21A.30.020, Animal Regulations – Small Animals, as now existing or hereafter amended.

C. The raising, keeping, breeding, or fee boarding of livestock are subject to the following King County Code sections, as now existing or hereafter amended:

1. KCC 21A.30.030, Animal regulations – Livestock – Purpose.

2. KCC 21A.30.040, Animal regulations – Livestock – Densities.

3. KCC 21A.30.045, Animal regulations – Livestock management components of farm management plans.

4. KCC 21A.30.060, Animal regulations – Livestock – Management standards.

5. KCC 21A.30.062, Animal regulations – Livestock – Building requirements.

6. KCC 21A.30.064, Animal regulations – Livestock – Livestock regulation implementation monitoring – Agriculture commission livestock committee.

7. KCC 21A.30.066, Animal regulations – Livestock – Education and enforcement.

8. KCC 21A.30.067, Livestock management – Information.

9. KCC 21A.30.068, Livestock management – Waste disposal.

10. KCC 21A.30.075, Livestock interdisciplinary teams.

D. Prohibited Animals. Note: Added pygmy goats and wallabies to nontraditional animals.

1. Possession of animals that may infect people with rabies is prohibited in the City in accordance with WAC 246-100-197.

2. Possession of wild animals is prohibited in the City in accordance with WAC 220-450-030.

3. Possession of animals that can cause damage to the natural environment is prohibited in the City in accordance with WAC 220-650-200.

4. Possession of dangerous animals that pose a threat to people, livestock, or pets is prohibited in the City in accordance with Chapter 16.30 RCW.

5. Possession of roosters (male chickens with an age of over 30 days old) is prohibited.

6. Possession of animals that emit long, frequent, or continued noises are prohibited.

E. Zoological Park – Approval Criteria. Exotic animals within a permitted and licensed zoological park facility are permitted, as established in IMC 18.402.020, Table of permitted uses, if all of the following approval criteria are met:

1. State/Federal Regulations. The zoological park must comply with all State and Federal laws for the procurement of, and possession of, animal specimens as provided for by, but not limited to, the U.S. Department of Agriculture and the U.S. Fish and Wildlife Service.

2. Fencing is provided per IMC 18.600.090.

3. Size. The parcel is at least two and one-half acres in size but no greater than seven and one-half acres.

F. Domestic Chicken, Hen, or Pullet Ownership. Domestic chickens, hens, and pullets are permitted on all residential lots of at minimum 6,000 square feet subject to the following conditions of land and ownership:

1. Lots of at least 6,000 square feet may have up to three chickens. One additional chicken is permitted for every 2,000 square feet of additional lot area.

2. Chickens shall be provided with a fenced chicken run that is set back a minimum of 10 feet from all property lines.

3. Fences shall be constructed with sturdy materials around the perimeter of the chicken run. Chicken feed storage shall not be located in the front yard and shall be constructed to be weather and rodent resistant in accordance with subsections (F)(4)(d) and (F)(4)(e) of this section.

4. Chickens must have a clean, well maintained dwelling shelter.

a. Dwelling shelters must be located within the rear or side yards.

b. Dwelling shelters shall be set back a minimum of 25 feet from property lines.

c. Dwelling shelters shall have a minimum of two square feet per chicken. Shelters shall have a height no greater than six feet.

d. Dwelling shelters shall be constructed with weather resistant and sturdy materials, such as plywood, and be fully enclosed, including walls, roof, floor, and securable door.

e. Rodent prevention shall be maintained by limiting small points of uncontrolled access, no larger than one-half inch.

f. Animal Waste. Adequate measures shall be taken to properly dispose of animal waste. Accumulation of animal waste shall be prohibited from being stored within required building setbacks and shall be placed in an enclosed container in accordance with subsections (F)(4)(d) and (F)(4)(e) of this section.

(1) Failure to meet waste management requirements shall result in a nuisance violation in accordance with IMC 8.06.040 and shall be enforced under the provisions of IMC 8.45.040. (Ord. 3109 § 1 (Exh. A), 2025; Ord. 3016 § 10 (Exh. J), 2023).

18.518.050 Animals – Bees and beekeeping.

Beekeeping, pursuant to Chapter 15.60 RCW, Apiaries, and its definitions, is subject to the following requirements:

A. Colonies shall be maintained in movable frame hives, unless exempted by the Department of Agriculture as an educational exhibit.

B. All colonies shall be registered with the Washington State Department of Agriculture in accordance with apiary law, Chapter 15.60 RCW, Apiaries.

C. Apiary size must be kept to a scale appropriate for the lot, as described in the table below.

Table 18.518.050(C). Apiary Sizes Allowed per Lot Size

0 to 10,000 square feet

• Every additional 2,500 square feet exceeding 10,000 square feet

Up to 4 hives

• 1 additional hive, up to 25 hives

87,120 to 217,800 square feet (2 acres to 5 acres)

Up to 50 hives

Over 217,800 square feet (5 acres)

Unlimited amount of hives

D. Hives shall not be located within 25 feet of any property line, with the hive(s) entrance(s) facing away from the nearest property line, except under the following conditions:

1. When there is a solid fence, vegetation barrier, or structure at least six feet high separating the hive from the property line, extending at least 10 feet from the hive along the property line in both directions; or

2. When hives are located indoors such as during inclement weather.

E. Hives shall be maintained to minimize swarming by following approved apiary management practices.

F. Additional temporary small colonies are sanctioned between the months of April to July each year to allow optimal beekeeping. (Ord. 3109 § 2 (Exh. A), 2025).

18.518.051 Nuisances designated.

A. Beehives will be considered a nuisance if they do not conform to IMC 18.518.050.

1. Upon initial violation, the code enforcement officer shall contact the beekeeper to review the contents of this chapter and verify that the bees will be maintained in compliance with this chapter.

2. Repeated noncompliance may result in enforcement per Chapter 8.45 IMC. (Ord. 3109 § 3 (Exh. A), 2025).

18.520.010 Purpose.

The periodic review process for mineral resource uses and sites operating as legal nonconforming mineral resource uses shall include sufficient public notice and comment opportunities. The purpose of the periodic review process is to provide opportunities for public review and comment on the mineral resource facility’s fulfillment of State and City regulations and implementation of industry standard best management practices, and for the City to modify, add or remove conditions to address new circumstances and/or unanticipated project-generated impacts. (Ord. 3013 § 8 (Exh. J), 2023).

18.520.020 Applicability.

The periodic review process is not intended to reexamine the appropriateness of the mineral resource use, or to consider expansion of operations beyond the scope of existing permitted operations since that review would be accomplished through the City’s permitting process in IMC 18.204.020, Review levels. The periodic review is intended to be a part of the City’s ongoing enforcement and inspections of mineral resource sites, and not to be a part of the City’s permitting process. (Ord. 3013 § 8 (Exh. J), 2023).

18.520.030 Periodic review.

Unless a more frequent review is required by the City for sites or operators having a history of code violations, periodic review of mineral resource operations shall be provided as follows:

A. All extractive operations shall be subject to a review of development and operating standards at five-year intervals;

B. The periodic review shall be:

1. Conducted by the Planning Director/Manager pursuant to the Level 2 review process outlined in IMC 18.204.030; and

2. Used to determine if the site is operating consistent with the most current standards and to establish other conditions as necessary to mitigate identifiable environmental impacts. (Ord. 3013 § 8 (Exh. J), 2023).

18.522.010 Day care operation and adult family home standards.

A. Purpose and Intent. The intent of this chapter is to provide additional standards to the relevant State laws related to day care operations and adult family homes. Day care operations include day care centers, family day care centers, and adult day care centers. The purpose and intent of requiring City-specific standards for day care operations and adult family homes is to:

1. Encourage the location and operation of day care operations and adult family homes throughout the City while maintaining the compatibility of the use with adjoining properties and uses;

2. Regulate the location and maintain standards of day care operations and adult family homes in order to protect the health, safety and welfare of children, disabled adults, employees, and the community; and

3. Provide the opportunity for various forms and sizes of day care operations and adult family homes throughout the City, including but not limited to: day care centers, family day care centers, adult day care centers, and adult family homes.

B. Applicability. This section applies to the establishment of day care operations and adult family homes.

C. Review Required. Day care operations and adult family homes are subject to licensing by the State (Chapter 43.216 RCW) and must be reviewed according to IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels. Each use must provide proof of State licensing prior to receiving a City of Issaquah business license.

D. Approval Criteria. Day care operations must meet the following approval criteria:

1. General Day Care Operation Criteria.

a. Fencing Required. All outdoor play areas must be entirely enclosed with a solid wall or fence a minimum of six feet in height, with gated openings only.

2. Day Care Center Criteria.

a. Access. An on-site vehicle turnaround or separate entrance and exit points, and a passenger loading area, are required. The City must review the location of the proposed turnaround or access to ensure it does not create conflicts with surrounding uses and complies with City street standards in Chapter 12.04 IMC.

b. Community or Religious Facilities. Day care centers are allowed as accessory uses within new or existing facilities such as religious or community buildings, including a community center, library, or similar facility, if all approval criteria within this section are met.

3. Family Day Care Center Criteria.

a. In accordance with State law, a family child care center must be located in the provider’s family living quarters, not a separate building.

4. Adult Family Home Standards. An adult family home must have no more than six residents. An adult family home may provide services to up to eight adults upon approval from the state under RCW 70.128.066.

E. In cases where conflicting rules and regulations apply to a proposed operation, the Washington State Department of Social and Health Services rules and regulations shall apply.

F. Temporary/Special Event Day Care Operation. Temporary day care operations, for example, as an accessory use to a festival or concert, may be permitted through the approval of a special events permit pursuant to Chapter 5.14 IMC, and subject to the following additional approval criteria:

1. Conditions. The City may require operation conditions, including the hours of operation, in order to ensure compatibility with the surrounding land uses; and

2. Safety and Welfare. Every temporary day care operation must ensure the safety and welfare of the children using those services while under the care and supervision of the staff and/or owners of such establishment. (Ord. 3097 § 4 (Exh. A), 2025; Ord. 3088 § 4 (Exh. A), 2025; Ord. 3016 § 2 (Exh. B), 2023. Formerly 18.502.060).

18.500.010 Intent.

The intent of providing specified standards for certain residential uses is to:

A. Provide convenient, pedestrian-oriented residential uses that are developed at a human scale; and

B. Encourage uses that offer a variety of housing within areas of the City. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.020 Applicability.

A. Permitted locations and level of review required for these supplemental use standards are governed by IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels.

B. Mixed-Use Projects. All specified use standards pertinent to residential development apply to residential mixed-use developments. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.030 Reserved.

(Ord. 3016 § 1 (Exh. A), 2023).

18.500.040 Manufactured homes standards.

A. Intent. These standards intend to ensure that manufactured homes and subdivisions are planned, developed, and maintained to provide safety for their residents while ensuring that manufactured homes are compatible with the scale and character of the surrounding neighborhood. The standards aim to provide affordable and diversified housing opportunities within the City while maintaining established standards.

B. Approval Criteria. Manufactured home subdivisions are permitted as established in IMC 18.402.020, Table of permitted uses. Within the subdivision, or as separate units, manufactured homes are permitted; provided they meet all the following approval criteria:

1. Manufactured Home Subdivision.

a. Development Standards. A manufactured home subdivision is subject to the same development regulations that apply to conventional subdivisions.

2. In addition to any State requirements (for example, RCW 35A.21.312), manufactured homes must also meet all of the following requirements:

a. Fuel Oil Supply Systems. All fuel oil supply systems must be constructed and installed in accordance with applicable building and safety codes, except that any bottled gas tanks may be fenced so as not to be clearly visible from the street or abutting property.

b. Mobility. The hitch, axles, and wheels must be removed.

c. Permanent Foundation. The manufactured home must be placed on a permanent foundation as specified by the manufacturer and that complies with the City’s building code for residential structures. If the manufacturer does not allow the use of a permanent foundation, the exterior covering must extend to the ground.

d. Size. The manufactured home is comprised of at least two fully enclosed parallel sections each of not less than 12 feet wide by 36 feet long.

e. Roof. The manufactured home was originally constructed with and now has a composition of wood shake or shingle, coated metal, or similar roof of not less than three to 12 pitch.

f. Siding. The manufactured home has exterior siding similar in appearance to siding materials commonly used on a conventional site-built Building Code single-family residence.

3. A mobile home is not a manufactured home.

C. Modular Homes. Modular homes are permitted in any zoning district or area in that conventional site-built homes are allowed; provided they conform to the same development regulations applicable to site-built homes.

D. Pre-HUD Manufactured Homes. Manufactured homes must meet both the most current HUD Code standards. Pre-HUD manufactured homes (mobile homes) are not allowed as permanent residences within the City because, as defined, they were built before the Housing Construction and Safety Standards Act of 1974, and do not bear the insignia of HUD. Pre-HUD manufactured homes approved as permanent residences within the City prior to the effective date of this Code are subject to Chapter 18.214 IMC, Nonconforming Uses and Structures. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.050 Assisted living facility standards.

A. Intent. The purpose and intent of requiring specific standards for the development of assisted living facilities is to:

1. Ensure assisted living facilities are compatible in scale and character to the surrounding neighborhood or area;

2. Provide enjoyable and safe housing for assisted living facilities’ residents and the surrounding community; and

3. Recognize special safety and compatibility considerations regarding the assisted living facilities and the surrounding land uses by providing compatibility between this specialized multifamily use and the surrounding land uses.

B. Approval Criteria. In addition to meeting all State and Federal regulations and procedures, approval may be permitted only if all of the following approval criteria are met:

1. Provide amenity space consistent with Chapter 18.608 IMC, Community and Amenity Spaces.

2. Building Modulation. Building modulation is intended to break up the overall bulk and mass of the exterior of an assisted living building, including townhouses. Modulation should also add character to the overall building exterior as well as to individual units. These building modulation standards apply to areas that do not have City adopted architectural standards or active Architectural Review Committees.

a. Building façade modulation must occur at every 25 feet of wall length. The modulation can take the form of decks, balconies, indentations, extrusions, and other various forms;

b. Minimum modulation depth must be approximately three feet; and

c. Minimum modulation width must be approximately eight feet.

3. Roofline Variation. Roofline variation is intended to break up the overall bulk and mass of a multifamily building and to provide a visual relief as viewed against the skyline. Roofline variation must occur on all assisted living structures with rooflines that exceed 50 feet in length. These building roofline variation standards apply to areas that do not have City adopted architectural standards or active Architectural Review Committees. Architectural standards have been adopted for Central Issaquah and Olde Town Single-Family/Duplex zone, and Architectural Review Committees are active in the Issaquah Highlands and Talus.

a. Vertical offset ridge line by a minimum of two feet;

b. Horizontal offset ridge line by a minimum of three feet; or

c. Variations of roof pitch by a minimum of three degrees (for example using 4:12 and 7:12 pitches). (Ord. 3016 § 1 (Exh. A), 2023).

18.500.060 Senior housing standards.

A. Purpose and Intent. The purpose and intent of requiring specific standards for senior housing is to:

1. Provide incentives through parking requirement reductions and density bonus provisions to develop housing opportunities for persons 55 years of age or older in a responsive and appropriate manner consistent with their needs;

2. Regulate the bulk, height, and spacing of buildings in order to obtain adequate light, air, and privacy;

3. Provide a well-designed and safe environment for seniors; and

4. Ensure that senior housing is compatible with the surrounding area and adjacent land uses.

B. Density Bonus Provisions.

1. Density Bonus. In those zoning districts where senior housing developments are permitted by IMC 18.402.020, Table of permitted uses, the density bonus provision may be used to increase the density above the base density allowed in the zoning district by meeting all of the following:

a. Bonus Authorized. One-third unit for every unit up to 950 square feet, or two-thirds unit for every unit up to 700 square feet. For example, a site with six 900-square-foot units allowed by zoning would be permitted to have two extra units (one-third unit for each of the six units for a total of eight units on the site).

b. Size. Both the proposed unit and the resultant additional unit each have no more than 950 square feet of gross floor area per dwelling unit, excluding decks and storage/shed areas.

c. Covenant Required. The occupancy requirements for the individual senior housing units and the entire project, where density bonus provisions are used, are to be guaranteed by a covenant recorded with the King County Recorder’s Office. The covenant must be approved by the City and must remain in effect for the life of the structure. If the use of the property should change to a use other than senior housing, the property must revert to its underlying zoning and density restrictions; parking requirements and any existing structure must be brought into conformance to the underlying zoning.

2. Occupancy. Occupancy of senior housing units is restricted to persons 55 years of age or older with the following exceptions:

a. Adults of any age who are related to, or cohabitate with, an occupant who is 55 years or older.

3. Parking Standards. Parking standards for bonus density units are in Table 18.604.080(A), Table of Off-Street Parking Standards.

C. Approval Criteria. The following criteria are required for all senior housing development proposals:

1. Building Modulation. Building modulation is intended to break up the overall bulk and mass of the exterior of a senior housing building, including townhouses. Modulation should also add character to the overall building exterior as well as to individual units. These standards apply to areas that do not have City adopted architectural standards or active Architectural Review Committees. Architectural standards have been adopted for Central Issaquah and Olde Town Single-Family/Duplex zone, and Architectural Review Committees are active in the Issaquah Highlands and Talus.

a. Building façade modulation must occur at every 25 feet of wall length. The modulation can take the form of decks, balconies, indentations, extrusions, and other various forms;

b. Minimum modulation depth must be approximately three feet; and

c. Minimum modulation width must be approximately eight feet.

2. Roofline Variation. Roofline variation is intended to break up the overall bulk and mass of a multifamily building and to provide a visual relief as viewed against the skyline. Roofline variation must occur on all senior housing structures with rooflines which exceed 50 feet in length. These building roofline variation standards apply to areas that do not have City adopted architectural standards, or active Architectural Review Committees. Architectural standards have been adopted for Central Issaquah and Olde Town Single-Family/Duplex zone, and Architectural Review Committees are active in the Issaquah Highlands and Talus. Roofline variation must be achieved using at least one of the following methods:

a. Vertical offset ridge line by a minimum of two feet;

b. Horizontal offset ridge line by a minimum of three feet; or

c. Variations of roof pitch by a minimum of three degrees (for example using 4:12 and 7:12 pitches).

D. A deviation may be sought to allow occupancy of housing developed using senior housing standards by persons with special housing needs, other than seniors, such as disabled or low-income persons, per the approval criteria in IMC 18.500.110, Allowed deviations to this chapter. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.070 Cluster housing standards.

A. Purpose and Intent. A cluster development may include, but is not limited to, zero lot line units, manufactured homes, and middle housing. The purpose and intent of the cluster housing standards is to:

1. Achieve lot size reduction to protect the natural environment and encourage economically viable subdivisions.

2. Encourage a sense of community within each residential development while protecting the surrounding environment.

3. Achieve the maximum allowable density, as established on Table 18.402.020, Table of Permitted Uses in Residential Zones, on developable land while preserving critical areas and other pervious surfaces through lot size reduction.

4. Provide more common usable and native forested open space within cluster developments that are not a part of a platted lot.

5. Encourage affordable housing through the provision of smaller lots.

6. Provide a more efficient arrangement of structures for providing services and infrastructure.

B. Additional Standards. Additional use standards for all residential zones are found in IMC 18.500.100.

C. Approval Criteria. A cluster development may be applied to all subdivisions in residential zones and must adhere to the zoning district standards in which the land is located. A cluster development must meet all the following criteria:

1. Minimum Area. A minimum of two acres is required for a cluster development; however, there is no minimum lot size for individual units within the development.

2. Consistency With Policies. The proposed development will be consistent with the standards of the City’s subdivision regulations in Chapter 18.300 IMC, General Provisions, this Code and all other pertinent development, whether local, State or Federal.

3. Development Standards.

a. Setback and form standards per Chapter 18.404 IMC, Form and Intensity. Lot sizes may be reduced below the underlying zoning’s minimum lot size, but no more than is necessary to accommodate the allowed density.

b. When critical areas are present, such critical areas and their buffers must be used to calculate the pervious surface requirement. Critical areas and their buffers shall not be included in individual lots and must be held in a critical area tract or other similar protection method acceptable to the City.

c. The cluster development must have a minimum of 15 percent of the net site area as common usable open space.

d. Setbacks at exterior site boundaries, where the zoning is different than the abutting zoning, must be the greater of the setback required by the site’s zoning or the setback required by the adjacent zoning. There are no minimum interior setbacks, except those established by other requirements, such as Building Code, easements, and critical areas.

e. Pervious and impervious surface requirements are equal to underlying zone for the gross site, prior to subdivision or other actions. There are no minimum requirements for pervious and impervious ratios on individual lots within the cluster development. Rather, the minimum pervious and impervious rations are applied on the basis of the entire development.

4. Projects including 10 or more housing units are required to provide 10 percent of the units as affordable to median income households. The level of affordability must be determined according to the following schedule:

Table 18.500.070(C)(4). Affordable Units Schedule

Project Units

Required Number of Affordable Units per Target Income Threshold

Target Household Income Threshold: Percent of King County Median Income

10

1

80%

11

1

78%

12

1

76%

13

1

74%

14

1

72%

15

1

70%

16

1

68%

17

1

66%

18

1

64%

19

1

62%

20+

2

80%

2

78%

2

76%

2

74%

2

72%

5. Projects must comply with IMC 18.606.130, Landscape and irrigation plan requirements. Additionally, landscaping of all building setbacks and internal areas between buildings, except for ingress and egress (driveways and sidewalks), shall be as required for multifamily residential uses in IMC 18.608.080.

6. Impacts. The proposed clustering of the development may not have a substantial adverse impact on adjacent property, the character of the neighborhood or community, or other elements affecting the public health, safety, and general welfare.

7. Implementation.

a. Developments proposed under the cluster provision may use zero lot line provisions (IMC 18.350.010), single-family semidetached (common wall) units or other methods or combinations, provided all the approval criteria established for those housing types and cluster development approval criteria are met.

b. More Than One Zoning District. A development that includes more than one zoning district may use the cluster provision and may site the clustered units in one or all zoning districts within the development. Overall density of the cluster development may not be more than the combined total for all included zoning district properties. However, units may be sited in one or all zoning districts.

8. Zero Lot Line Standards. The following are additional approval criteria for zero lot line cluster development, if selected:

a. Maintenance and Drainage Easements for New Lots. A perpetual easement, at least five feet wide for maintenance, eave overhangs, and drainage, must be recorded with the King County Recorder’s Office meeting the following criteria:

(1) With the exception of site walls and/or fences, the easement shall provide that the easement area shall be kept clear of structures;

(2) The easement shall provide that eaves, but not other parts of any structure, may protrude into the easement area, by not more than 18 inches.

(3) The easement shall provide that stormwater and surface water from the dwelling placed on the lot line are limited to the easement area.

(4) The easement must be recorded on the lot adjacent to the zero lot line property line, and must exist interior to the proposed project site boundary. This easement must be shown on the plat and incorporated into each deed transferring title of the property.

b. Platting Requirements. The final plat or short plat must provide a plan, drawn to scale as required by the current subdivision regulations at Chapters 18.300 through 18.390 IMC. (Ord. 3091 § 6 (Exh. F), 2025; Ord. 3016 § 1 (Exh. A), 2023).

18.500.080 Duplex standards.

Repealed by Ord. 3091. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.090 Accessory dwelling unit standards.

A. Intent. This section sets forth specific criteria for the creation of an accessory dwelling unit that is either located within or detached from the principal unit in certain zones. Specifically, this provision is intended to:

1. Create affordable housing options;

2. Provide a source of income for households through rentals;

3. Foster and support extended families; and

4. Allow family members, primarily older adults, to live independently at a reduced cost.

B. Applicability.

1. The provisions of this section apply to all accessory dwelling units (ADU).

2. A nonconforming structure may be converted into an ADU.

C. Review Required. An application for an ADU requires a Level 1 review process under IMC 18.204.020.

D. Lot Density.

1. An ADU may be constructed on a lot that meets the minimum lot size required for the principal unit as defined in Chapter 18.404 IMC, Form and Intensity.

2. ADUs do not count towards lot density if associated with a detached single-family structure. ADUs associated with middle housing or multifamily housing will count towards unit lot density.

E. Grandfathering of Existing Dwellings.

1. If an ADU was created without being part of a project for which a building permit was finalized, the City requires a new building permit to confirm that the structure will not pose a hazard to people or property and meets the requirements of this section and Building Code.

2. Reinstating an ADU. The owner of a building in which an ADU previously existed and was removed may reinstate an ADU provided the City building official determines through a building inspection that the ADU is sound, does not pose a hazard to people or property, and meets the requirements of this section and the Building Code. Please see Chapter 16.04 IMC, Construction Codes, for applicable fee.

3. Utilities. The City must review utility connections (water, gas, and electric) to ensure adequate capacity. The ADU may be served by the same connection and same meter as the principal dwelling as long as fixture count and fire flow demands can be met.

4. Code Enforcement. Upon determination that there has been a violation of any provision of this section, the City may pursue code enforcement in accordance with the provisions of Chapter 8.45 IMC, Code Enforcement.

F. Approval Criteria. The following are the approval criteria for an ADU application:

1. Number. Two ADUs, in any combination of attached or detached, may be permitted for one single-family detached residence or with middle housing as long as the lot complies with the allowed lot density and minimum lot size for the principal unit. For example, one single-family dwelling unit can have one ADU in the dwelling unit and one ADU above the garage. Single-family dwelling units that are on legally nonconforming lots may be permitted up to two ADUs, and must comply with Chapter 18.214 IMC, Nonconforming Uses and Structures.

2. Size. The square footage of each individual ADU shall not exceed 1,000 square feet, excluding any nonliving areas such as garage area, storage sheds, or decks, unless the excluded area is the location of the proposed ADU.

a. The principal unit(s) must have a gross floor area at least 25 percent greater than the gross floor area of the largest ADU on the lot or within the development.

b. An ADU within a principal unit may exceed the size requirement if the creation of the ADU does not necessitate an exterior expansion of the principal unit, except for minimal alteration necessary for the ADU to be a functional separate residence.

c. An ADU added to an existing accessory structure may exceed the size requirement if the creation of the ADU does not necessitate an exterior expansion of the existing structure, except for minimal alteration necessary for the ADU to be a functional separate residence.

3. Height. ADUs must comply with the height required for the principal unit as defined in Chapter 18.404 IMC, Form and Intensity.

4. Design and Construction Standards.

a. Additions to an existing structure or newly constructed detached structure created for the purpose of developing an ADU must be designed to conform with all applicable development standards.

(1) New ADUs are not subject to rear yard setbacks on parcels where the rear yard abuts an alley, unless the city routinely plows snow on the public alley.

b. A four-foot-wide walkway must be constructed from the address side of the right-of-way or driveway to the ADU primary entrance.

c. Existing legally nonconforming structures may be used for the locating of an ADU if the building official determines that the structure is sound, will not pose a hazard to people or property, and meets the requirements of this section and Building Code requirements. Portions of buildings that undergo a change of use are required to meet building codes for new construction in compliance with the current Building Code.

5. Parking. Adequate parking must be provided on site for the single-family detached dwelling, middle housing development, and for the ADU as specified in Chapter 18.604 IMC, Parking. Tandem parking may be used to fulfill this requirement.

6. Home Businesses and ADUs. The ADU and/or primary residence may contain one or more home business if the home business is reviewed and approved as regulated by IMC 18.502.120.

7. Address. An ADU must have a separate address from the principal unit.

8. Condominium Conveyance. The City may not prohibit the sale or other conveyance of a condominium unit independently of a principal unit solely on the grounds that the condominium unit was originally built as an accessory dwelling unit. (Ord. 3092 § 3 (Exh. C), 2025; Ord. 3016 § 1 (Exh. A), 2023).

18.500.100 Additional use standards for all residential zones.

A. The intent of this section is to provide additional standards for residential zones based on the use activity intensity. These uses provide further details to those established in Table 18.402.020, Permitted Uses in Residential Zones.

B. Motor vehicle repair or modification, and engine repair or overhauling is not permitted in residential zoning districts unless this occurs within an enclosed structure. This section does not apply to occasional and unavoidable minor or emergency repairs to one’s personal vehicle.

C. A minimum site of eight acres is required for a stand-alone golf driving range in any residential district.

D. Firewood must be neatly stacked. The firewood stack must not be more than six feet in height and must be kept in a side or rear yard that maintains minimum setback requirements. (Ord. 3016 § 1 (Exh. A), 2023).

18.500.110 Allowed deviations to this chapter.

A. Deviations may be requested from the following list of standards in this chapter. Deviations must be requested according to the appropriate permit process in IMC 18.204.020. Any proposal to deviate that does not satisfy the following conditions must apply for a variance according to Chapter 18.210 IMC, Variances.

B. Allowed deviations from the residential use standards are:

1. Applying Senior Housing Standards for Persons With Special Housing Needs. A deviation from IMC 18.500.060(B)(2), that occupancy is restricted to persons 55 years of age or older, may be sought to allow persons under the age of 55 with special housing needs such as disabled or low-income persons. A deviation must meet all the criteria in IMC 18.202.080 and the following approval criteria specific to a senior housing deviation:

a. Funding. The development of the project is dependent upon funding sources that require, as a condition of funding, provisions be made for disabled or low-income persons or other similar population segment (other than seniors);

b. Housing Ratio. Housing for disabled or low-income persons or other similar segment of the population (other than seniors) may be no more than 50 percent of the dwelling units within the senior housing development;

c. Size of Units. Units designated for other populations (not seniors) may exceed 950 square feet; however, units over 950 square feet may not qualify for the density bonus provisions;

d. Density Bonus/Parking Requirements. All units within the senior housing development, including the 50 percent or less designated for other persons, may use the density bonus at Chapter 18.514 IMC, Affordable Housing; however, only those units which are designated for “senior occupancy” are required to provide parking as established for senior housing in Table 18.604.080(A), Table of Off-Street Parking Standards, at Chapter 18.604 IMC, Parking. Dwelling units for disabled or low-income persons or other persons are required to meet parking requirements for multifamily development per Chapter 18.604 IMC;

e. Contract Required. The units for the disabled or low-income persons or other segment of the population (other than seniors) shall be reserved by contract or other legal method; and

f. Density Bonus for Exceptions for Special Needs and Affordable Housing. A density bonus for special needs units shall follow the same formula and criteria provided in IMC 18.500.060(B)(1). (Ord. 3016 § 1 (Exh. A), 2023).

18.500.120 Permanent supportive housing, transitional housing, and emergency housing.

A. Purpose. The purpose of the permanent supportive housing, transitional housing, and emergency housing provisions is to:

1. Support housing stability and individual safety for those experiencing or who are close to experiencing homelessness; and

2. Ensure that housing is accessible to all economic segments of the population.

B. Requirements.

1. Density. The density for permanent supportive housing, transitional housing, and emergency housing is limited by the development regulations of the underlying zoning district in which the use is proposed. (Ord. 3060 § 6, 2024).

18.500.130 Day center/night shelter.

A. Purpose. The purpose of day centers/night shelters is to provide safe, temporary shelter and support services for individuals or families currently experiencing homelessness.

B. Requirements.

1. Density. The density of a day center/night shelter is limited by the development regulations of the underlying zoning district.

2. Occupancy. Individual day centers/night shelters are limited to a maximum number of 50 occupants. (Ord. 3060 § 7, 2024).

18.500.524 Conversion of existing buildings to multifamily residential.

A. Except as provided in subsection C of this section, this section applies to all development applications that both add dwelling units within an existing building and meet all of the following criteria:

1. The existing building received a final certificate of occupancy at least three years before the submittal of the development application.

2. The existing building is located in a nonresidential land use district where multifamily dwellings are a permitted use in accordance with Chapter 18.402 IMC, Permitted Uses.

3. The development application does not expand the existing building horizontally, except for the addition of the incidental features listed below that may be necessary to accommodate residential use; provided that such incidental features do not increase the floor area of the structure:

a. Ramps for ADA access;

b. Replacement windows or sheathing;

c. The addition of material enabling increased insulation;

d. Structural features to improve safety;

e. Additions required to comply with construction, energy codes, or building performance standards for residential conversion;

f. Circulation features for fire and life safety;

g. Mechanical equipment;

h. Plumbing and ductwork; or

i. Awnings and bays.

4. The development proposal does not expand the existing building vertically except as necessary to accommodate mechanical equipment, stairs, or expansion of rooftop features related to residential uses, such as common areas and rooftop decks for use by residents of the building.

B. For development applications meeting all of the requirements of subsection A of this section, all other requirements of this Code shall apply during the land use or building permit review required for the application except modified below:

1. Existing parking shall be retained to meet the minimum parking requirements for the building use prior to conversion. If the existing parking does not meet the minimum parking requirement for residential uses, no additional parking shall be required. Additional parking may be required for non-residential uses that do not meet the minimum parking requirements.

2. No exterior design or architectural requirements apply to eligible residential development unless the building is a designated landmark.

3. Eligible residential development is exempt from all applicable dimensional requirements including setbacks, lot coverage, and floor area ratio.

4. Any nonconforming use, nonconforming structure, or nonconforming site may continue when all of the requirements of subsection (B)(4)(a) of this section are met. However, once a final certificate of occupancy is issued, such nonconformities may continue only to the extent allowed by Chapter 18.214 IMC, Nonconforming Uses and Structures.

a. The nonconforming use, nonconforming structure, or nonconforming site must:

(1) Be associated with the development application meeting the eligibility criteria provided in subsection A of this section; and

(2) Have existed prior to submittal of the development application meeting the eligibility criteria provided in subsection A of this section.

5. If the existing building was originally constructed using the development bonus program, then the benefit or amenity provided in exchange for receipt of that bonus must remain and be maintained following the addition of dwelling units under this section subject to the original requirements, except that the location of the benefit or amenity may be moved elsewhere on the site or within the existing building subject to the approval of the Director.

6. Conversion projects that take place within the urban core or mixed-use Central Issaquah zones or in the vertical mixed-use overlay must comply with IMC 18.514.060, Required affordable housing.

C. Exceptions.

1. The redevelopment for multifamily residential use of any existing building located fully or partially within a critical area, critical area structure setback, or critical area buffer designated or established under Chapter 18.802 IMC, Critical Areas Regulations, is subject to the requirements of Chapter 18.802 IMC. To the extent that any provision of this section conflicts with any requirement contained in Chapter 18.802 IMC, Chapter 18.802 IMC shall control.

2. Ground level nonresidential uses do not apply to this section. (Ord. 3105 § 5 (Exh. A), 2025).

18.502.010 Intent.

A. Intent. The intent of providing specified standards for certain nonresidential uses is to:

1. Provide efficient, convenient, pedestrian-oriented, nonresidential uses that are developed at a human scale; and

2. Encourage uses that offer a variety of services and goods within areas of the City. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.020 Applicability.

A. Permitted locations and level of review required for these supplemental use standards are governed by IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels.

B. Nonresidential. All specified use standards pertinent to nonresidential development apply to residential mixed-use developments. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.025 Office standards in residential and commercial zones.

A. Purpose and Intent. The purpose and intent of this section is to ensure that the location and operation of an office is consistent with the existing character of the surrounding area in terms of appearance, traffic levels, and other development standards:

B. Applicability. An office may be permitted as provided in IMC 18.402.020, Table of permitted uses. An office operating within a home must comply with the home business standards in IMC 18.502.120.

C. Approval Criteria.

1. SF-SL Zone.

a. An office is permitted in SF-SL zone only on lots with any part abutting Front Street or Sunset Way.

b. Buildings in existence prior to August 2, 2006, are not subject to scale restrictions but may not be expanded where size limits are exceeded.

2. CBD Zone. For lots with frontage on Front Street, ground-floor a nonresidential use is required and must be oriented to Front Street with a minimum depth of 20 feet. The only commercial uses that satisfy this requirement are those uses that are currently allowed in the CBD and that are included under the use categories of Table 18.402.020 titled Food and Beverage, Medical, Office/Professional, and Retail/Services.

3. Multifamily Zones.

a. An office is only permitted on the ground floor within a mixed-use building. Total nonresidential uses in a mixed-use building shall not exceed 50 percent of gross floor area with no individual use over 4,000 square feet.

b. An office is prohibited as a stand-alone use, unless the building was in existence prior to November 1, 2006. An existing building may be used for stand-alone office use, provided the size/scale limits (1,500 to 4,000 square feet) are not exceeded. (Ord. 3103 § 1 (Exh. A), 2025).

18.502.030 Vacant or uninhabited commercial property.

A. Intent. The purpose of this section is to establish standards for vacant or uninhabited commercial properties. These standards are intended to reduce visual blight, aid in emergency access and fire safety, guard against the creation of rodent and pest harborage, and reduce the impact on the natural environment from noxious weeds.

B. Parking and/or Storage of Vehicles. The parking and/or storage of motor vehicles, trailers, carts, or other vehicles on vacant or uninhabited commercial property is prohibited, unless it is a permitted use, and the appropriate procedures and review have occurred for the property to be used as a commercial parking lot.

C. Maintenance and Security of Structures. Vacant or uninhabited structures must be secured by use of appropriate locks, physical barriers such as plywood sheeting, or other methods to ensure that the structure(s) are secure and accessible only to the property owner and/or their agent(s). Plywood or other physical barriers must be painted to match the primary color of the structure. Structures must be maintained in a condition such that they are not a fire hazard, in danger of structural failure, or in violation of codes as adopted under IMC Title 16, Buildings and Construction, or any other applicable section of the IMC.

D. Maintenance of Land.

1. Vacant or uninhabited commercial properties must be maintained to remove litter, garbage and yard waste, and control noxious/destructive plants.

2. Weeds, grass, and other plants may not exceed 24 inches in height above grade, unless such plant is part of an approved landscape plan per Chapter 18.606 IMC or is for tree preservation per Chapter 18.812 IMC.

E. Fencing. Vacant properties may have a fence in accordance with IMC 18.600.090, Fences, walls, and screening. Fencing must be properly installed and maintained in good condition. Fences must be located interior of any perimeter landscaping. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.040 Shopping center standards.

A. Underlying Zoning. Uses permitted in shopping centers are determined by the uses permitted in the zoning district in which the center is to be located. Shopping centers are not a separate use in the permitted use table.

B. Site design and community space requirements may apply per Chapters 18.608, Community and Amenity Spaces, and 18.600 IMC, Urban Design and Site Planning. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.050 Bed and breakfast standards.

A. Purpose and Intent. The purpose and intent of requiring specific standards for bed and breakfast operations is to:

1. Ensure that the location and operation of the bed and breakfast operation are consistent with the existing character of the surrounding area in terms of appearance, traffic levels, and other development standards; and

2. Provide for the safety of guests and residents.

B. Applicability. Bed and breakfast operations may be permitted as provided in IMC 18.402.020, Table of permitted uses. If they are allowed in a residential zone, then a bed and breakfast operation must comply with both the home business standards at IMC 18.502.120 and the approval criteria for bed and breakfast house operations in this section.

C. Approval Criteria.

1. Annual Review. An annual review of a bed and breakfast operation is a condition of approval and must be done concurrently with the renewal of the business license. If the review indicates that the operation is not being conducted according to the approval criteria, the renewal of the business license must be denied, or must be approved only upon documentation that the approval criteria are met.

2. Bathroom Facilities. Separate toilet and shower facilities for the exclusive use of guests must be provided and cannot be shared with the owner or manager/proprietor.

3. Compliance With County and State Guidelines. The operation must comply with the most current guidelines as developed by the Washington State Office of Environmental Health and the King County Department of Public Health.

4. Dwelling Unit. Whether the bed and breakfast is operated as a home business or as a nonhome business, the owner, proprietor, or manager of the operation must live on the premises. To accommodate this, a dwelling unit for the owner, proprietor, or manager must be provided.

5. Food Service.

a. Cooking facilities or cooking are not allowed in guest bedrooms.

b. Food preparation for guests is allowed only if all applicable approvals have been issued by the King County Department of Public Health.

c. Food must not be sold to nonguests, unless the operation is located in a zoning district which permits restaurant facilities, and the owner of the operation acquires the required permits and licenses for a restaurant facility.

d. Breakfast must be the only meal provided to guests, unless the operation has received the required permits and approvals for a restaurant facility.

e. Sale of alcoholic beverages to guests or nonguests is prohibited, unless associated with a restaurant facility and the proper permits and liquor licensing have been obtained.

6. Parking. Compliance with Chapter 18.604 IMC, Parking, is required. Where possible, required parking must be located on site, and to the side or rear of the operation. Parking area landscaping must be provided in accordance with the City’s adopted landscape regulations, Chapter 18.606 IMC.

7. Refuse/Recycling. In residential zones, the refuse/recycling area must be designed and screened so that there is no adverse impact to the neighborhood. In zones that are not residential, the operation must abide by the regulations for waste collection areas, IMC 18.600.100.

8. Signs must comply with Chapter 18.612 IMC, Signs. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.060 Day care operation and adult family home standards.

Recodified as 18.522.010 by Ord. 3097. (Ord. 3088 § 4 (Exh. A), 2025; Ord. 3016 § 2 (Exh. B), 2023).

18.502.070 Self-storage facility standards.

A. Applicability. This section applies to any new construction of a self-storage facility, whether a new development or a new building within an existing self-storage facility or site.

B. Approval Criteria. Self-storage facilities may be permitted only if all of the following approval criteria are met:

1. Location. Permitted in zones use as shown in IMC 18.402.020. In Central Issaquah, only allowed in the MU-CI zone along East Lake Sammamish Parkway SE or 221st Place SE.

2. Provide controlled access that is monitored electronically and/or by facility staff at all times.

3. Colors. Exterior colors, including any internal corridors or doors visible through windows, must be colors consistent with the Olde Town single-family/duplex architectural standards, regardless of development location. Provided, however, this shall not apply to areas with adopted color palettes (Central Issaquah, Olde Town) or active Architectural Review Committees (Issaquah Highlands, Talus).

4. Building design for self-storage facilities outside of areas that do not have City adopted architectural standards (Central Issaquah) or active Architectural Review Committees (Issaquah Highlands, Talus) shall include the following:

a. Building length is a maximum of 150 linear feet, regardless of modulation, for any façade located within 50 feet of and facing a residential zoned property or designated major street.

b. Building modulation must be incorporated into the overall design to reduce the bulk and mass of the building(s). The modulation can take the form of indentations, extrusions, and other forms, with a minimum modulation depth of at least three feet and minimum modulation width of at least eight feet. Each 50 feet of wall length must have at least one modulation.

c. Façade Material Variation for Exterior Surfaces, Excluding Roofs. No one material may cover more than 50 percent of the area of each façade.

d. Roofline Variation. There must be roofline variation for any rooflines that exceeds 50 feet in length. Roofline variation is intended to break up the overall bulk and mass of a self-storage building and to provide a visual relief as viewed against the skyline. Roofline variation must be achieved using one or more of the following methods:

(1) Vertical offset ridge line by a minimum of two feet;

(2) Horizontal offset ridge line by a minimum of three feet; or

(3) Variations of roof pitch by a minimum of three degrees (for example using 4:12 and 7:12 pitches).

5. Access. The use of public right-of-way is prohibited for access to individual storage units or circulation between rows of units.

6. Storage unit doors to individual units within the self-storage building must not face any residential zoned property or a designated major street.

7. Loading bay doors for access to the facility as a whole must not face any residential zoned property or designated major street unless the site location offers no alternative.

C. Multistory self-storage facilities must:

1. Have an architecturally prominent entry and lobby to provide a sense of entry.

2. Have at least 40 percent of each façade at each floor composed of exterior wall openings filled with transparent windows. Such treatment may be omitted from those portions of façades that face inward to a self-storage development and are not visible from any surrounding right-of-way or property. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.080 Veterinary clinic, boarding kennel, pet day care.

A. Applicability. This section applies to services and/or uses at veterinary clinics, boarding kennels, and pet day cares restricted to the hours of 7:00 a.m. to 9:00 p.m.

B. Location of Services.

1. Overnight Boarding. Only veterinary clinics and boarding kennels may provide overnight boarding services. These services must be located in a building and the structure must be soundproofed to minimize noise impacts to the surrounding properties and comply with IMC noise regulations.

2. Indoor Accessory Services and/or Uses. Veterinary clinics and pet day cares within any allowed zoning district, except for the IC (Intensive Commercial) zoning district, must have all accessory services and/or uses located indoors.

3. Outdoor Accessory Services and/or Uses. Veterinary clinics and pet day cares located within the IC (Intensive Commercial) zone and boarding kennels located in any allowed zone may have outdoor accessory services and/or uses, such as animal exercise areas, subject to the following conditions:

a. When abutting or in a residential zone, the outdoor area must be:

(1) Located within an interior courtyard completely surrounded by building walls; or

(2) Enclosed by a solid fence and reviewed per IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels.

b. When not abutting a residential zone, the outdoor area must be:

(1) Located within an interior courtyard completely surrounded by building walls; or

(2) Enclosed by a solid fence no less than six feet tall which may not be located within a required setback and screened per IMC 18.600.090, Fences, walls, and screening.

c. All outdoor accessory services or uses are restricted to the hours of 7:00 a.m. to 9:00 p.m. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.090 Recreational cannabis facilities.

A. Purpose. The purpose of this section is to minimize the impacts of recreational cannabis facilities on surrounding properties and ensure public safety while providing for appropriate siting of recreational cannabis facilities licensed in accordance with State law.

B. General Requirements. Recreational cannabis facilities must:

1. Be entirely within a permanent enclosed structure with a roof;

2. Be the primary use at a location. Recreational cannabis facilities are not allowed as an accessory use or as a home business;

3. Be operated by persons or entities holding a valid cannabis license from the Washington State Liquor and Cannabis Board issued under Chapter 314-55 WAC and any other applicable State laws and regulations;

4. Obtain a City business license;

5. Ensure that no horticulture production, processing, or delivery of cannabis to the business owner(s) is visible to the public outside the structure; and

6. Allow inspection of the site and facilities by City personnel including law enforcement for compliance with all applicable permits and licenses at any time during regular business hours.

C. Separation Requirements.

1. Only one recreational cannabis facility is allowed in a single tenant space, except a cannabis licensee holding both cannabis producer and cannabis processor licenses may locate their combined operation in a single tenant space.

2. No recreational cannabis facility is be permitted within 500 feet of any other recreational cannabis facility.

3. If a use listed in subsection IMC 18.502.100(D) locates within 1,000 feet of a recreational cannabis facility after the recreational cannabis facility is lawfully established, such use may not benefit from the separation requirements of this subsection. A recreational cannabis facility is lawfully located under the Issaquah Municipal Code if it has located within the City in accordance with the requirements of this section.

4. No more than two retail facilities may operate in Issaquah at any time regardless of State allocation of retail cannabis licenses.

D. Application Requirements. An application for a recreational cannabis facility must include the following information in addition to the application requirements found at IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels:

1. The application must be made by:

a. A cannabis licensee; or

b. An applicant for a cannabis license. The application must include a copy of the license or a copy of the license application. A permit may not be issued for a recreational cannabis facility unless the applicant is a cannabis licensee;

2. A map drawn to scale showing that the proposed recreational cannabis facility is at least 1,000 feet from all uses specified in RCW 69.50.331 and WAC 314-55-050. A survey prepared by a surveyor licensed in the State of Washington may be required by the Director; and

3. The applicant must submit a copy of the operating plan required by the Washington State Liquor and Cannabis Board as part of the license application.

E. Security Requirements. A recreational cannabis facility must:

1. Have installed, prior to issuance of a business license, an operational security system that is monitored 24 hours a day;

2. Have installed, prior to issuance of a business license, an operational security camera system which retains recordings from all installed cameras for a period of not less than 60 days;

3. Have installed, prior to issuance of a business license, any other security system as required by WAC 314-55-083; and

4. Comply with the crime prevention through environmental design (CPTED) standards, to the extent possible. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.100 Adult entertainment standards.

A. Purpose and Intent. The purpose and intent of requiring standards for adult entertainment facilities is to mitigate the adverse secondary effects caused by such facilities and to maintain compatibility with other land uses and services permitted within the City.

B. Applicability. The standards established in this chapter apply to all adult entertainment facilities and include, but are not limited to, the following as defined in IMC 5.10.030: adult arcades, adult entertainment cabarets, adult motels, adult motion picture theaters, and adult retail stores.

C. Limitations. The standards established in this chapter may not be construed to restrict or prohibit the following activities or products:

1. Expressive dance as defined in IMC 5.10.030(N);

2. Plays, operas, musicals, or other dramatic or artistic works;

3. Classes, seminars, or lectures conducted for a scientific, educational, or artistic purpose;

4. Printed materials or visual representations intended for educational, scientific or artistic purposes;

5. Nudity within a locker room or other similar facility used for changing clothing in connection with athletic or exercise activities;

6. Nudity within a hospital, clinic, or other similar medical facility for health-related purposes; and

7. All movies and videos that are rated G, PG, PG-13, R and NC-17 by the Motion Picture Association of America.

D. Separation Requirements. Adult entertainment facilities may be permitted as established in IMC 18.402.020, Table of permitted uses, only if the following separation requirements are met:

1. Location. An adult entertainment facility may not be located within 500 feet of any of the following zones or uses whether such zones or uses are located within or outside of the City limits:

a. A residential zone;

b. A public or private primary or secondary school;

c. A preschool or nursery school;

d. A licensed day care center;

e. A public library;

f. A public park, private park open to the general public, public swimming pool, public playground, or other similar facility used primarily for community recreation;

g. A gymnastics center, ballet school, the Issaquah Salmon Hatchery, or other similar facility used primarily by children for educational or recreational purposes;

h. A church, temple, mosque, synagogue, chapel, or other similar religious facility; and

i. A residential, day treatment, or workshop facility primarily oriented towards persons with mental disabilities.

2. Measurement. In calculating the measurement of the 500-foot buffer between an adult entertainment facility and a protected zone or use specified in subsection (D)(1) of this section, such distance must be measured by extending a straight line between the nearest boundary line of a protected zone or nearest physical point of the structure housing a protected use, to the nearest physical point of the structure housing an adult entertainment facility.

3. One Adult Entertainment Facility per Site. No more than one adult entertainment facility is permitted on any given lot.

4. North Issaquah Annexation Area. No adult entertainment facility may be permitted to locate within the territory of the North Issaquah Annexation area, as described in Ordinance No. 2264, passed by the Issaquah City Council on December 6, 1999.

E. Application of Separation Requirements to Lawfully Located Adult Entertainment Facility. A protected use specified in subsection (D)(1) of this section may not benefit from the separation requirements of this section if the protected use chooses to locate within 500 feet of a lawfully located and licensed adult entertainment facility. An adult entertainment facility is lawfully located if it has located within the City in accordance with the requirements of this section. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.110 Motor vehicle sales/dealership use in UV – Commercial.

In the UV-Com zone, both sales and storage of motor vehicles must be enclosed within a building and have ground floor storefront orientation to the sidewalk and street, with storage screened from transportation facility view. (Ord. 3016 § 2 (Exh. B), 2023).

18.502.120 Home business standards in residential and commercial zones.

A. Intent. A business operating within a dwelling may be permitted in residential and commercial zones if the home business is consistent with the existing character of the surrounding neighborhood. The intent of this section is to:

1. Ensure the compatibility of home businesses with other uses permitted in the residential zoning districts;

2. Promote the efficient use of public services and facilities while ensuring that commercial users do not reduce the City’s public services and facilities level of service to intended residential users;

3. Encourage flexibility in the workplace and creativity in careers by permitting home businesses; and

4. Regulate home businesses because of the potential impact to the surrounding neighborhood.

B. The standards of this section apply to businesses that are operated in the dwelling unit of the owner or resident; for example, a self-employed accountant who receives clients from their home. Individuals who work remotely are exempt from the standards in this section if their employer’s business street address is not the address where the employee’s work is taking place.

C. Exemptions. Adult family homes and family day care centers are exempt from the standards of this section.

D. Approval Criteria. A home business is allowed as an accessory to a permitted residential use when the following criteria are met:

1. The home business must obtain a business license per Chapter 5.02 IMC.

2. The home business must not compromise or violate any underlying development standards of the zone where the residence is located.

3. The home business may not change the existing character of the residence or surrounding community. In order to maintain the existing character, the home business must meet the following criteria:

a. The home business must be conducted inside the dwelling or legal detached building accessory to the dwelling. The business must be conducted by one or more persons residing in a dwelling on site;

b. External alterations to the building that change the character from a residential dwelling are prohibited. Alterations that change the residential character include, but are not limited to:

(1) The creation of separate entrances for the purpose of the business operation;

(2) Parking expansion to accommodate business customers and deliveries;

(3) Adding exterior storage for business purposes;

(4) Exterior alterations or designs that indicate operation of a business;

(5) Color, materials, and lighting must conform to those allowed for the primary residential use;

c. Any sign must meet the standards at Chapter 18.612 IMC, Signs;

d. The home business may not emit vibration, dust, glare, heat, smoke or odors that can be detected at the property line, multifamily residence door or hallway, or shared wall;

e. The home business must comply with regulations in IMC 18.518.020, Noise control;

f. Parking. If a home business, by itself, generates 20 vehicular trips per day or less, on-site parking is not required. If the home business generates more than 20 trips, on-site parking is required. A trip is considered either the arrival or the departure of a vehicle from the house. For example, one vehicle making a delivery and then leaving immediately would be considered two trips;

g. Home businesses operating in Issaquah Highlands and Talus are not required to provide on-site parking;

h. No outside storage or display of any kind related to the home business is allowed. Play equipment for day care operations is not considered outdoor storage or display;

i. The business’s trash and recycling needs may not exceed the capacity of the residential containers available for the residence;

j. Water or sewer use for the entire property must not exceed levels typical of residential use. Due to the nature of a home business, the applicant may be required to provide an analysis of likely water or sewer use as compared with average water and sewer use in the surrounding community.

4. The home business is incidental and subordinate to the primary use of the structure as a dwelling. No more than 25 percent of the gross floor area of the residence may be used for the home business.

5. Any home business that requires in-person client or public visits to the home is subject to additional approval per IMC 18.402.020, Table of permitted uses, and Level 2 review under IMC 18.204.020, Review levels. Uses that generate noise also require the additional approval under Level 2 review. Examples of such uses include, but are not limited to, bed and breakfasts, chiropractors, kennels, home woodshops, and music teachers.

6. The home business cannot result in hazards or environmental impacts to the surrounding community. Impacts must be prevented by the following measures:

a. The home business cannot use electrical or mechanical equipment that causes residential hazards. Specifically, the home business is prohibited if it would use equipment that:

(1) Changes the fire rating of the structure;

(2) Creates visible or audible interference in radio or television receivers; or

(3) Causes fluctuations in line voltage outside the dwelling.

b. Buffers Needed in C-Res and SF-E Zones. The following home businesses must have a sufficient site area to ensure adequate buffers so that the neighborhood is not negatively impacted. Buffering of outdoor paddock areas or pet runs must be a minimum of 10 feet from buildings or dwellings located both on and off the subject property. Buffering must be used in C-Res and SF-E zones, given the proposed extent of the home business and the size and characteristics of the specific parcel:

(1) Commercial hobby farms;

(2) Kennels; or

(3) Animal breeding.

7. At a kennel or animal breeding facility, only indoor boarding is allowed.

8. Additional Conditions. In granting approval for a home business, the City may attach additional conditions to ensure the home business meets the intent of this section. For example, the City may require additional sound proofing or screening measures to reduce home business impacts to neighborhoods.

9. Any home business authorized under this Code must be open to inspection and review at all reasonable times by an authorized City official for purposes of verifying compliance with the approval criteria and other Code provisions.

E. Review Required. Application and review for all proposed home businesses are required per the approval criteria in subsection C of this section and IMC 18.204.020, Review levels.

F. Home Businesses Not Permitted. The following uses, by the nature of their operation or investment, have a pronounced tendency, once started, to increase beyond the limits permitted for home businesses; are otherwise incompatible with residential areas; and impair the use and value of a residentially zoned area for residential purposes. Therefore, the uses listed below may not be permitted as home businesses:

1. Repair, building, servicing, and sale of on-site vehicles or boats;

2. Antique shop or gift shop;

3. Veterinary clinic or hospital;

4. Painting of vehicles, trailers or boats;

5. Large appliance repair including stoves, refrigerators, washers and dryers;

6. Machine and sheet metal shops;

7. Martial arts school; dance or aerobics studio;

8. Small engine repair;

9. Recreational marijuana facilities;

10. Marijuana cooperatives; and

11. Uses which may include hazardous chemicals or other items which may potentially be hazardous to the surrounding area.

G. Denial of Application for a Home Business. An application for a home business may be denied if the Director finds that the application fails to comply with the provisions of this section. The Director must state the specific reasons under this Code for denial of a home business.

H. Annual Review. An annual review of a home business may be an approval condition if warranted by the nature of the home business. This review must include an assessment to ensure the home business complies with the original approval criteria. If the review indicates that the home business is not being conducted according to the approval criteria, or the use has become detrimental to the residential neighborhood, enforcement action may be taken.

I. Enforcement. Home businesses operated in violation of this Code or the approval conditions are subject to enforcement pursuant to Chapter 18.108 IMC, Enforcement.

J. Exceptions. The following activities that do not exceed three consecutive days in duration or do not operate for more than nine days in any one calendar year are exempt from the requirements of this section:

1. Garage and yard sales. To qualify for this exemption, all garage and yard sales must involve only the sale of household goods, none of which were purchased for the purpose of resale;

2. Temporary home boutiques or bazaars for handcrafted items;

3. Parties for the display of domestic products;

4. Other similar short-term uses or sales. (Ord. 3097 § 3 (Exh. A), 2025; Ord. 3068 § 1 (Exh. A), 2024; Ord. 3016 § 2 (Exh. B), 2023).

18.502.130 Allowed deviations to this chapter.

A. Deviations may be requested from standards listed in IMC 18.502.100(D)(1). Any proposal that does not satisfy the criteria to deviate may apply for a variance, in accordance with Chapter 18.210 IMC, Variances. Deviations must be requested according to the appropriate permit process in IMC 18.204.020, and meet the criteria in IMC 18.202.080, Deviations from standards, and the approval criteria stated below.

B. Deviations may be granted from the separation requirements for adult businesses in IMC 18.502.100(D) if the applicant demonstrates that all of the criteria listed under IMC 18.202.080 and the following criteria are met:

1. The natural physical features of the land would result in an effective separation between the proposed adult entertainment facility and the protected zone or use in terms of visibility and access;

2. All adjacent properties have commercial zoning districts that are compatible with the adult entertainment business use, as demonstrated through the table of permitted uses, IMC 18.402.020;

3. The applicant demonstrates a hardship is created by a lack of alternative locations for the proposed adult entertainment facility; and

4. The applicant has proposed conditions that would minimize the adverse secondary effects of the proposed adult entertainment facility. (Ord. 3016 § 2 (Exh. B), 2023).

18.504.010 Intent.

A. Intent. The intent of this chapter is to:

1. Ensure compatibility with surrounding uses regarding aesthetics, height, and other development standards;

2. Encourage uses that offer a variety of services and goods within the City; and

3. Provide for utility facility improvements and additions necessary to meet local and regional needs and implement Issaquah’s Comprehensive Plan. (Ord. 3016 § 3 (Exh. C), 2023).

18.504.020 Applicability.

Permitted locations and level of review required for these supplemental use standards are governed by IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels. (Ord. 3016 § 3 (Exh. C), 2023).

18.504.030 Exceptions.

A. Utility Facilities. Minor modifications, maintenance, repair or replacement of elements of an existing utility facility are exempt from the supplemental development standards established herein and from the review procedures established in IMC 18.402.020, Table of permitted uses, and 18.204.020, Review levels. However, these proposals are subject to other regulations in this Code, such as the Shoreline Master Program and critical areas regulations. (Ord. 3016 § 3 (Exh. C), 2023).

18.504.040 Utility facilities.

A. Applicability. The following standards apply to construction of utility facilities.

B. Major/Minor Utility Facilities. Major and/or minor utility facilities are subject to the review procedures identified in IMC 18.204.020, Review levels, and must be permitted when the following approval criteria established in this section are met.

C. Approval Criteria – All Utility Facilities.

1. Height. Wireless and other communication towers and water storage tanks must be designed so as to be the lowest height possible to adequately serve the needs of the utility.

2. Undergrounding. Communication facilities must be installed underground or within buildings to the greatest extent practical in order to maximize safety and minimize visual and noise impacts upon surrounding properties. Electrical distribution lines must also be installed underground in accordance with the terms and conditions established by the Washington Utilities and Transportation Commission.

3. Architectural Form and Character.

a. Significant Elements. Compatibility of architectural form is not applicable to a utility facility where significant elements of the facility are not housed in a building. However, screening is required to ensure compatibility with adjacent uses and minimize visual impact.

b. Isolated Elements. Compatibility of architectural form is not applicable for isolated minor elements such as pad-mounted transformers, telephone pedestals, and metering stations; however, screening is required to ensure compatibility with adjacent uses.

4. Noise. No machinery or equipment may cause noise beyond established State standards as measured at the property line, electrical interference, or similar disturbances.

5. Residential Areas.

a. Impacts. Such facilities must, whenever possible, be located and designed to minimize adverse impacts on nearby residential areas;

b. Storage. In residential zones, there must be no outdoor storage of utility-related vehicles or any outdoor storage of utility-related materials outside the utility buildings or structures. (Ord. 3016 § 3 (Exh. C), 2023).

18.504.050 Hazardous waste storage and/or treatment facilities.

As an accessory use, on-site storage and/or treatment facilities for hazardous waste must be allowed for those permitted uses generating the waste and uses otherwise permitted within that zoning district. Such treatment and storage facilities must be consistent with State siting criteria adopted pursuant to Chapter 70A.300 RCW, as now existing, or amended, whether by State statute or the WAC provisions. (Ord. 3016 § 3 (Exh. C), 2023).

18.504.060 Mineral resource zone development standards.

A. Intent. The intent of this section is to establish standards that minimize the impacts of extractive operations upon surrounding properties by:

1. Ensuring adequate review of operating aspects of extractive sites;

2. Requiring project phasing on large sites to minimize environmental impacts;

3. Requiring minimum site areas large enough to provide setbacks and mitigations necessary to protect environmental quality; and

4. Requiring periodic review of extractive and processing operations to ensure compliance with the most current operating standards.

B. Grading permits required per Chapter 16.26 IMC, Clearing, Grading, and Stormwater Management.

C. Nonconforming Extractive Operations. To the extent legal nonconformity results in negative health and safety issues, a legal nonconforming extractive operation must be brought into conformance with the standards in this section as determined feasible by the City.

D. Periodic Review. Periodic reviews are provided in Chapter 18.520 IMC, Mineral Resource Site – Periodic Review.

E. Site Design Standards. Except as provided for legal nonconforming extractive operations in subsection C of this section, all extractive and processing operations must at minimum comply with the following standards:

1. The minimum site area of an extractive operation must be 10 acres;

2. Extractive operations on sites larger than 20 acres must occur in phases to minimize environmental impacts, and the size of each phase must be determined during the review process;

3. Fences must be:

a. Provided in a manner which discourages access to safety hazards that may arise on areas of the site where:

(1) Active extracting, processing, stockpiling and loading of materials is occurring;

(2) Any unstable slope or any slope exceeding a grade of 40 percent is present; or

(3) Any settling pond or other stormwater facility is present;

b. At least six feet in height above the grade measured at a point five feet from the outside of the fence;

c. Installed with lockable gates at all openings or entrances;

d. No more than four inches from the ground to fence bottom; and

e. Maintained in good repair;

4. Warning and trespass signs advising of the extractive operation must be placed on the perimeter of the site adjacent to residential zones at intervals no greater than 200 feet along any unfenced portion of the site where the items noted in subsections (E)(3)(a)(1) through (E)(3)(a)(3) of this section are present;

5. No clearing, grading or excavation is permitted within 20 feet of any property line. Provided, however, clearing, grading and excavation may be within 20 feet of a property line under any of the following circumstances:

a. The work is for roadway or storm drainage facility construction;

b. The work is performed on the portion of a property line adjacent to another extractive operation; or

c. The work is performed pursuant to an approved reclamation plan;

6. Landscaping as required pursuant to Chapter 18.606 IMC must be provided along any portion of the site perimeter where disturbances such as site clearing and grading, or mineral extraction or processing, is performed, except where adjacent to another extractive operation; and

7. Lighting must:

a. Be limited to that required for security, lighting of structures and equipment, and vehicle operations;

b. Not directly glare onto surrounding properties; and

c. Comply with Chapter 18.610 IMC, Outdoor Lighting.

F. Additional Standards. All operating standards must comply with the following:

1. Noise levels produced by an extractive operation may not exceed levels specified by IMC 18.518.020;

2. Dust and smoke produced by extractive operations may not substantially increase the existing levels of suspended particulates at the perimeter of the site and must be controlled by watering of the site and equipment or other methods specified by the City;

3. The applicant must provide for measures to prevent transport of rocks, dirt and mud from trucks onto public roadways;

4. Traffic control measures such as flagmen or warning signs as determined by the City must be provided by the applicant during all hours of operation; and

5. The applicant is responsible for cleaning of debris or repairing of damage to roadways caused by the operation.

G. Reclamation. Pursuant to Chapter 78.44 RCW, Surface Mining, a landowner or operator must consult with the Department of Natural Resources to plan for segmented surface mining in accordance with statutory provisions.

H. Erosion Controls. Activities performed in conjunction with mineral extraction or processing are subject to State and Federal statutes regulating surface groundwater, erosion, and sedimentation. Such activities will be subject to the oversight of the Washington State Department of Ecology exercising its authority pursuant to the Federal and State Clean Water Acts and the National Pollution Discharge Elimination System (NPDES) General Permit for Sand and Gravel Operations.

I. Financial Guarantees. Financial guarantees may be required by the City to ensure compliance with conditions associated with clearing and grading permits for extractive operations. Financial guarantees may include assignments of funds, cash deposit, and surety bonds, and/or other forms of financial security acceptable to the Director.

1. Financial guarantees must be sufficient to cover the cost of conformance with conditions of the permit, including corrective work necessary to provide drainage consistent with approved plans and conditions, to remove geologic hazards, and to protect water quality and the public health, safety, and welfare. The financial guarantee may be reduced proportionately for phased projects as work is completed and subsequent reclamation and/or restoration on each phase is completed. The request for reduction must be in writing.

2. Financial guarantees may be waived on:

a. Projects of less than 1,000 cubic yards;

b. Reclamation projects with financial guarantees posted with the State of Washington Department of Natural Resources or with the Federal Office of Surface Mining.

J. Property Adjacent to Mineral Resource Lands. Pursuant to RCW 36.70A.060, when a land use or building permit is issued for extraction operations, the applicant must notify land owners within 500 feet of the mineral resource lot that “the subject property is within or near designated agricultural lands, forest lands, or mineral resource lands on which a variety of commercial activities may occur that are not compatible with residential development. The notice for mineral resource lands must also inform that an application might be made for mining-related activities, including mining, extraction, washing, crushing, stockpiling, blasting, transporting, and recycling of minerals, and that processing of off-site mineral materials, including recyclables, may continue after all mineral extraction from the site ends.” (Ord. 3016 § 3 (Exh. C), 2023).

18.512.010 Purpose.

The intent of this chapter is to:

A. Establish clear regulations for the siting, design, maintenance, and operation of wireless communication facilities (WCFs) consistent with State and Federal regulations;

B. Promote the health, safety, and general welfare of the Issaquah community by regulating the siting and design of WCFs;

C. Provide clear and predictable permitting for network providers and the community;

D. Accommodate the growing need and demand for wireless communication services;

E. Assure that all network providers constructing, repairing, or maintaining WCF facilities within the City comply with the ordinances, rules, and standards of the City;

F. Minimize visual, safety, aesthetic, and environmental impacts of WCFs on the community by establishing standards for location, structural integrity, and compatibility;

G. Encourage the location and collocation of wireless communications antenna(s) on existing nonmunicipal structures;

H. Ensure that equipment does not become a barrier or impediment to pedestrians and bicyclists;

I. Provide an opportunity for residents and interested parties to provide comment on the proposed location and design of new towers and poles, when appropriate; and

J. Ensure regulations are fair, do not favor earlier applicants, and accommodate the maximum number of users. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.020 Applicability and definitions.

A. No person may place, construct, reconstruct, or modify a WCF within the City without a permit, except as provided by this chapter. The designated official has discretion to approve, condition, or deny elements of a WCF where standards provide flexibility or subjectivity based on the purpose and goals of this chapter; the same discretion is given to the Hearing Examiner for applications requiring a public hearing.

B. Definitions of terms used in this chapter, unless specified otherwise in this chapter, may be found in Chapter 18.102 IMC, Definitions and Interpretations. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.030 Permit required.

A. No WCF may be erected, reerected, constructed, or altered except as provided by this chapter and a land use permit for same has been issued by the City, unless such WCF is exempted per IMC 18.512.040, Permit exemptions. A separate permit must be required for each individual WCF installation, except as allowed consistent with IMC 18.512.050(E) for small wireless networks.

B. If the network provider is proposing WCF located in the public rights-of-way, then the network provider must apply for a franchise agreement pursuant to Chapter 12.60 IMC, Telecommunications. The designated official will process an application for a WCF permit concurrently with an application for a franchise, but any such permit will be conditioned on approval of the franchise by the City Council. No separate right-of-way use permit (IMC 12.60.400) is required for network providers receiving a permit under this chapter.

C. If a network provider desires to make a modification to an existing, permitted small wireless facility, including but not limited to expanding or changing the antenna type, increasing the equipment enclosure, placing additional pole-mounted or ground-mounted equipment, or modifying the concealment elements, then the applicant must apply for a permit under this chapter.

D. All applications must be submitted using the City’s published submittal requirements. The submittal requirements are available on the City’s webpage, or from the City’s permit center. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.040 Permit exemptions.

A. The following WCFs are exempt from the requirement to obtain land use permits.

B. VHF and UHF Receive-Only Television Antenna. VHF and UHF receive-only antenna(s) may not be required to obtain land use permit approval, or required to obtain building permit approval. Exempt VHF/UHF antenna(s) must be restricted to a height limit of no more than 10 feet above the existing or proposed roof.

C. Small Satellite Dish Antenna. Small dish antenna in all zones are exempt from obtaining land use permit approval in accordance with the Federal Telecommunications Act. Such antennas may not be required to obtain building permit approval, but installation must comply with any applicable provisions of the City building code.

D. Routine Maintenance or Repair. Maintenance of WCF and related equipment (excluding structural work or changes in height or dimensions of antennas, support structures or buildings); provided, that compliance with the standards of this Code is maintained, and that such maintenance or repair does not defeat the concealment elements used in the original deployment; does not impact the structural integrity of the pole; does not remove required design elements; and does not require pole replacement. Further, a land use permit may not be required for replacing equipment within the equipment enclosure or reconfiguration of fiber or power to the small wireless facility.

E. Emergency Communications. Temporary WCF for emergency communications equipment in anticipation of and during a declared public emergency or emergency exercise.

F. Existing Facilities. WCFs which legally existed or had a vested application on or prior to the effective date of the ordinance codified in this section; except that this exemption does not apply to modifications of such facilities.

G. Cell on Wheels. A temporary personal wireless telecommunications facility for a time frame determined by the designated official.

H. Automated Meter Reading. Automated meter reading (AMR) facilities for collecting utility meter data. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.050 Wireless use permits – Types and timelines.

A. Unless exempted by this chapter, all WCF installations and alterations require a land use permit. The type of permit required is based on the following table:

Table 18.512.050(A). Types of Facilities and Required Permit

WCF Type

Structure

Land Use Permit Required

UHF/VHF antenna higher than 10 feet above roofline

Building

Level 1

Small satellite dish antenna

Building or ground mounted

NA

Large satellite dish antenna

Building or ground mounted

Level 1

Amateur radio tower

Building or ground mounted

Level 1

Temporary WCF not covered by IMC 18.512.040(D)

Varies

Level 1

New macro wireless facility

New tower or structure

Level 2

New small wireless facility

Existing pole

Level 1

Completely concealed WCF (both macro and small wireless)

Structure mounted

Level 1

Collocation of new antenna(s); new ground-mounted equipment enclosures on previously approved structure

Existing structure, pole or tower

Level 1

New small wireless facility

New pole tower

Level 2

New small wireless facility

Replacement pole

Level 1

Eligible facilities request; removal of existing antennas

Existing WCF

Level 1

B. If a WCF does not fall into one of the above categories, the designated official will determine which WCF type is most closely related for permitting purposes.

C. Timelines for Review. All WCF authorizations and permits are subject to the Federal review timelines (“shot clocks”) as described in 47 CFR 1.6001 et seq.

D. Tolling for all applications except for eligible facilities requests, as discussed further below, must be based upon the tolling period and procedures described by 47 CFR 1.6003.

E. Consolidated Permit.

1. Small wireless facility sites may be consolidated into one permit application for processing. If the sites within the consolidated permit have differing review timelines, the longer timeline will apply to review of the consolidated grouping of sites. The process in IMC 18.204.040, Optional consolidated review, may not apply to the consolidated permit review of small wireless facilities.

2. A network provider may elect to apply for a land use permit and a building permit as a consolidated application. The network provider acknowledges the building permit submittal is an at-risk permit and is dependent upon receiving the land use permit. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.060 Complete application.

A. Location Information. The application must provide specific locational information including GIS coordinates of all facilities, and specify where the facilities will utilize existing, replacement or new poles, towers, existing buildings and/or other structures. Ground-mounted equipment, conduit, junction boxes and fiber and electrical connections necessary for and intended for use in the deployment must also be specified regardless of whether the additional facilities are to be constructed by the applicant or leased from a third party. Detailed schematics and visual renderings of the facilities must be provided by the applicant. The application must have sufficient detail to identify:

1. The location of overhead and underground public utility, telecommunication, cable, water, adjacent lighting, sewer drainage and other lines and equipment within 50 feet of the proposed project area (which project area must include the location of the fiber source and power source). Further, the applicant must include all existing and proposed improvements related to the proposed location, including but not limited to poles, driveways, ADA ramps, equipment cabinets, street trees and structures within 50 feet from the proposed project area.

2. The specific trees, structures, improvements, facilities, lines and equipment and obstructions, if any, that applicant proposes to temporarily or permanently remove or relocate and a landscape plan for protecting, trimming, removing, replacing and restoring any trees or areas to be disturbed during construction.

3. The construction drawings must also include the applicant’s plan for electric and fiber utilities, all conduits, cables, wires, handholes, junctions, meters, disconnect switches and any other ancillary equipment or construction necessary to construct the small cell facility, to the extent to which the applicant is responsible for installing such electric and fiber utilities, conduits, cables, and related improvements. Where another party is responsible for installing such electric and fiber utilities, conduits, cables, and related improvements, applicant’s construction drawings will include such utilities to the extent known at the time of application, but at a minimum applicant must indicate how it expects to obtain fiber and electric service to the small cell facility.

4. If the site location includes a replacement or new light pole that is placed more than five feet away from the existing location, then the applicant must submit a photometric analysis of the roadway and sidewalk 150 feet upstream and downstream of the existing light.

B. Property Owner Approval. The applicant must show written approval from the owner of any pole or structure for the installation of its facilities on such pole or structure. Submission of the lease agreement between the owner and the applicant is not required. For City-owned poles or structures, the applicant must obtain a facilities lease from the City prior to or concurrent with the permit application. The applicant can batch multiple facility sites in one application. The applicant is encouraged to batch the facility sites within an application in a contiguous service area.

C. SEPA. Any application for a permit which contains an element which is not exempt from SEPA review must simultaneously apply under Chapter 43.21C RCW and Chapter 18.802 IMC, Environmental Policy (SEPA).

D. RF Engineering. The City recognizes that the Federal Telecommunications Act of 1996 gives the Federal Communications Commission sole jurisdiction in the field of regulation of radiofrequency (RF) emissions and WCFs which meet FCC standards may not be conditioned or denied on the basis of RF impacts. The applicant must submit a sworn affidavit signed by an RF engineer with knowledge of the proposed project affirming that the facilities will be compliant with all FCC and other governmental regulations in connection with human exposure to radio frequency emissions for every frequency at which the facility will operate.

E. FCC Approval. The applicant must provide proof of FCC and other regulatory approvals required to provide the service or utilize the technologies sought to be installed.

F. Construction Engineering. A professional engineer licensed by the State of Washington must certify in writing, over his or her seal, that both construction plans and final construction of the facilities and the antenna support structure or pole and foundation are designed to reasonably withstand wind and seismic loads.

G. Traffic control plan must be submitted in accordance with IMC 12.60.430, Traffic control plan, if applicable.

H. All appropriate fees must be paid. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.070 Application notice requirements.

A. Notification Requirement.

1. Level 1 land use permit applications applicable to this section do not require written notification.

2. Level 1 land use permit applications with new equipment proposed require the applicant to provide written notification to adjacent property owners to the subject site. Notwithstanding the above, this notification requirement shall not apply for small wireless facilities to be sited on an existing structure or eligible facilities requests.

3. Level 2 land use permit applications proposed require the applicant to provide written notification to property owners within 500 feet of the subject site (parcel).

4. The associated mailing list and mailer notification is required as part of the submittal packet for any land use permit that requires written notification.

5. Network provider or representative must provide the City with a distribution list of property owners and a copy of the materials distributed as part of the application for the associated land use permit. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.080 Third-party review.

A. In certain instances, a third-party expert may need to review the technical data submitted by an applicant, such as whether a proposed facility can reasonably withstand wind and seismic loads. The City may require a technical review as part of a permitting process. The costs of the technical review must be borne by the applicant. A third-party expert shall not be used to require a justification by a network provider that the proposed WCF is necessary to close a gap in coverage.

B. The selection of the third-party expert may be by mutual agreement between the provider and the City, or at the discretion of the City, with a provision for the applicant to comment on the proposed expert and review his or her qualifications. The expert review is intended to address interference and public safety issues and be a site-specific review of technical aspects of the facilities or a review of the provider’s methodology and equipment used and not a subjective review of the site which was selected by a provider. Based on the results of the expert review, the City may require changes to the provider’s application. The expert review must address the following:

1. The accuracy and completeness of submissions; and

2. The applicability of analysis techniques and methodologies; and

3. The validity of conclusions reached; and

4. Any specific technical issues designated by the City. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.090 Fees.

A. At the time of a land use application, the applicant must pay fees for land use review as established in the City fee schedule adopted pursuant to Chapter 3.64 IMC, Fees for Applications for Land Use and Site Work Permits.

B. Third-party review fees, if any, are the responsibility of the applicant. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.100 Siting.

A. Macro WCF Locations. Network provider must consider the established preferences and must comply with the “allowed” criteria, if possible. “Allowed with conditions” locations may only be considered if the network provider demonstrates that an “allowed” location is not possible according to the following criteria:

1. Locate With Existing WCF. Network provider must provide the designated official with documentation that establishes that it contacted the owner of each facility that currently houses a macro cell facility located within 1,000 feet of the proposed location and that owner has denied the network provider’s request to collocate. If the request was granted but the network provider believes it still cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons.

2. Nonresidential Zones. Network provider must provide the designated official with documentation that establishes that it considered locations within those nonresidential zones located within 1,000 feet of the proposed location. This documentation must outline the reasons why such locations within nonresidential zones are infeasible.

3. Building or Structure Mounted. Network provider must provide the designated official with documentation that establishes that it contacted the owner of each structure (nonresidential single-family) located within 1,000 feet of the proposed location which is sufficient height to accommodate a macro cell facility and that structure owner denied the network provider’s request to place its facilities on that structure. If the request was granted but the network provider believes it still cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons.

4. Located in Setbacks. New poles may not be located in any zoning setback area on private and public property.

Table 18.512.100(A). Macro Wireless Communication Facilities Locations

Allowed

• With existing WCFs

• In nonresidential zones

• Building or structure mounted

Allowed With Conditions

• On a property allowing for multifamily residential use

• In a right-of-way

• When blocking natural vistas

• Establishment of a new tower

Prohibited

• On Front Street ROW (new tower)

• On property zoned SF-E, SF-S, SF-SL, and SF-D, exclusive of public right-of-way

B. Small WCF Locations. Network provider must consider the established preferences and must comply with the “allowed” criteria, if possible. “Allowed with conditions” locations may only be considered if the network provider demonstrates that an “allowed” location is not possible according to the following criteria:

1. Locate With Existing WCF. Network provider must provide the designated official with documentation that establishes that it contacted the owner of each facility that currently houses a WCF located within 150 feet of the proposed location and that owner has denied the network provider’s request to collocate. If the request was granted but the network provider believes it still cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons.

2. Existing or Replacement Poles. Network provider must provide the designated official with documentation that establishes that it contacted the owner of each existing pole (non-City-owned) within 150 feet of the proposed location and that pole owner denied the network provider’s request to place its facilities on that pole. If the request was granted by the pole owner but the network provider believes it cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons which must be technical in nature.

3. Building or Structure Mounted. Network provider must provide the designated official with documentation that establishes that it contacted the owner of each building or structure (except buildings or structures listed as allowed with conditions or prohibited) located within 150 feet of the proposed location and that structure owner denied the network provider’s request to place its facilities on that structure. If the request was granted by the structure owner but the network provider believes it cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons which must be technical in nature.

4. Nonresidential Zones. Network provider must provide the designated official with documentation that establishes that it considered all properties within nonresidential zones within 150 feet of the proposed location. This documentation must outline the reasons why such nonresidential properties are infeasible.

5. Property Outside of Public Right-of-Way. Network provider must provide the designated official with documentation establishing that it contacted the owner of each property located within 150 feet of the proposed location where a new pole could be placed, and such property owner denied the network provider’s request. If the request was granted by the property owner but the network provider believes it cannot locate at that location for other reasons, the network provider must provide the designated official with a detailed explanation of those reasons which must be technical in nature.

6. Located in Setbacks. New poles may not be located in any setback area on private and public property.

Table 18.512.100(B). Small Wireless Communications Facilities

Allowed

• With existing WCF

• On existing or replacement poles

• On building or structure mounted

• In nonresidential zones

• In Community Facilities – Facilities (CF-F) zones

Allowed With Conditions

• On property allowing for residential use

• On new poles

Prohibited

• On Front Street ROW (new tower)

• On nonmunicipal decorative poles

• On municipal poles

• On property used as single-family residential (exclusive of public right-of-way)

(Ord. 3016 § 7 (Exh. G), 2023).

18.512.110 Design requirements.

A. Antenna.

1. Satellite Dish, Large.

a. May not be located within front or side yard building setback areas.

b. Must be located outside of any required landscaped area and located in service areas or other less visible locations.

c. Mountings and satellite dishes may not be taller than the minimum required for obtaining an obstruction-free reception window.

d. Construction plans and final construction of the mounting bases of all large satellite dish antennas must be approved as part of the permit issuance.

2. Amateur Radio Towers.

a. Towers in all zones may not be located within any easements, front, side, or rear yard building setback areas. Must be located at a point farthest from lot lines as feasible, or the point farthest from residential structures on abutting properties.

b. Ground-mounted and roof-mounted antennas are allowed in all zones. Ground-mounted towers may not exceed 50 feet in height unless a proposal demonstrates that physical obstructions impair the adequate use of the tower.

c. The combined structure of a roof-mounted tower and antenna may not exceed a height of 25 feet above the existing roofline.

d. Mountings and amateur radio towers may not be taller than the minimum required for the purposes of obtaining an obstruction-free reception window.

e. Construction plans and final construction of the mounting bases of amateur radio towers covered by this section must meet structural design requirements.

f. Applications must document that the proposed tower and any mounting bases are designed to withstand wind and seismic loads as established by the International Building Code.

3. Macro or Small Wireless Antenna.

a. Where an antenna is to be mounted on a structure, the combined antenna(s) and all associated equipment and required screening may not extend more than 15 feet above the existing or proposed top of roofline or top of structure.

b. Antenna(s) and related equipment must be placed and treated to present the least possible visual impact to the public. Treatments might include: equipment enclosure; location of antenna and radio box on the pole; painting to match the pole; or any combination of these measures.

B. Towers and Poles.

1. Macro Towers.

a. Must be integrated through location and design to blend in with the existing characteristics of the site.

b. Must preserve existing on-site vegetation and minimize disturbance of the existing topography unless such disturbance would result in less visual impact of the site to the surrounding area.

c. Must be designed and placed on the site in a manner that takes the maximum advantage of existing trees, mature vegetation, and structures as to use existing site features to screen as much of the total facility as possible, and/or use existing site features as a background so that the facility blends into the background with increased sight distances. Setbacks from property lines must be maximized where practical.

d. Towers must be painted in a color that best allows them to blend into the surroundings. The use of grays, blues, greens and browns might be appropriate; however, each case will be evaluated individually and approved by the designated official.

e. May not exceed 85 feet in height.

f. Must be designed to allow for collocation.

g. Must be designed to allow conduit and cabling to be internal to the pole, as feasible.

h. May be located on City-owned property with City review and lease on City-owned property.

2. New Poles to Accommodate Small Wireless Antenna.

a. Poles must be limited to 30 feet in height, inclusive of antennas, or the minimum height necessary, not to exceed 50 feet.

b. No municipal poles may be used.

c. New poles must be designed to be consistent with Figure 18.512.110, Pole Height Configuration – 30 Feet Maximum, or as otherwise approved by the designated official.

Figure 18.512.110. Pole Height Configuration – 30 Feet Maximum

d. New poles placed in the right-of-way must align with other poles, to the greatest extent feasible.

e. New poles must be colored or painted to match nearby street fixtures, or as otherwise directed by the designated official.

f. New poles in the right-of-way are only be permitted with a valid City franchise agreement.

3. Replacement Poles.

a. A utility pole at the proposed location may be replaced with a taller pole for the purpose of accommodating a small wireless facility; provided, that the replacement pole may not exceed a height that is a maximum of 15 feet taller than the existing pole, unless a further height increase is required and confirmed in writing by the pole owner and that such height extension is the minimum extension possible to provide sufficient separation and/or clearance from electrical and wireline facilities.

b. Replacement wooden utility poles may either match the approximate color and materials of the replaced pole or must be the standard new wooden utility pole used by the pole owner in the City.

c. A pole extender may be used on nondecorative poles, but may not increase the height of the existing pole by more than 15 feet. The pole extender must be painted to approximately match the color of the pole and must substantially match the diameter of the pole measured at the top of the pole.

d. Whether through the installation of a replacement pole or a pole extender, the overall pole height may not be increased to over 50 feet, except the designated official may approve an over-height pole of up to 60 feet provided all of the following criteria are met:

(1) The existing pole is greater than 35 feet in height; and

(2) The network provider can demonstrate for technical or safety reasons that the pole must be taller than 50 feet; and

(3) The network provider provides the shortest pole possible and provides the Director with technical documentation to support the proposed over-height pole height.

4. Pole-Mounted Equipment.

a. Pole-mounted equipment must be located on the least-visible side of the pole, from the nearest street and as high up on the pole as is feasible.

b. City wayfinding signs may be required by the designated official to reduce the visual impact of pole-mounted equipment boxes.

C. Ground Equipment.

1. It is the City’s preference to not have above-ground equipment in the right-of-way or on public property.

2. Where located in the right-of-way and subject to permitting and franchise requirements, equipment must only be installed where equipment will not interfere with existing or future City uses of the right-of-way; the rights of private property owners; other utility fixtures and services; water hydrants or mains; wastewater systems; traffic control devices; or any other service or facility (existing or planned) that benefits the City or the health, safety, or welfare of its residents. Further, ground equipment must comply with the Americans with Disabilities Act (ADA) regulations and sidewalk clearance requirements.

3. Where located in the right-of-way and not able to be underground, ground equipment must serve as a public amenity, where feasible. Network provider must work with the designated official to conceal equipment. Benches, kiosks, wayfinding, planters, etc., could all be considered as public amenities.

4. Equipment installations may not be placed in front of the primary entrance to a residence or any business or at any other location where it would unduly interfere with the operation of a business, including blocking views of the entrance, signage, or display windows.

5. Screening (Outside of Right-of-Way).

a. Where feasible, ground equipment must be placed in an underground vault, or must be incorporated into the base of the antenna structure.

b. Above-ground equipment cabinets not undergrounded or incorporated into a pole base must be screened with landscaping, street furniture and/or artistically vinyl wrapped, as determined by the designated official.

c. Fencing, if desired, may not be taller than six feet, decorative and complementary in design to the antenna structure. Chain-link fencing and barbed wire may not be allowed.

d. Anti-graffiti finishes must be applied to all solid fences, walls and gates.

6. Proposed equipment may not be located to reduce the amount of on-street parking or interfere with access to meters, fire hydrants, or other objects of street hardware in the right-of-way.

7. The size of aboveground equipment enclosures must be minimized.

D. Lighting. Lighting may not be allowed with the permitting of a WCF unless otherwise approved as a new light standard, or as may be required by the Federal Aviation Administration (FAA). (Ord. 3016 § 7 (Exh. G), 2023).

18.512.120 Eligible facilities requests.

A. Definitions. The following definitions must apply to eligible facilities requests only as described in this section and may not apply throughout this chapter:

“Base station” is a structure or equipment at a fixed location that enables FCC-licensed or authorized wireless communications between user equipment and a communications network. The term does not encompass a tower as defined herein nor any equipment associated with a tower. Base station includes, without limitation:

1. Equipment associated with wireless communications services such as private, broadcast, and public safety services, as well as unlicensed wireless services and fixed wireless services such as microwave backhaul.

2. Radio transceivers, antennas, coaxial or fiber-optic cable, regular and backup power supplies, and comparable equipment, regardless of technological configuration (including distributed antenna systems (“DAS”) and small wireless networks).

3. Any structure other than a tower that, at the time the relevant application is filed (with jurisdiction) under this section, supports or houses equipment described in subsections (1) and (2) of this definition that has been reviewed and approved under the applicable zoning or siting process, or under another State or local regulatory review process, even if the structure was not built for the sole or primary purpose of providing that support. However, the term does not include any structure that, at the time the relevant application is filed with the City under this section, does not support or house equipment described in subsections (1) and (2) of this definition.

“Collocation” means the mounting or installation of transmission equipment on an eligible support structure for the purpose of transmitting and/or receiving radio frequency signals for communication purposes.

“Eligible facilities request” means any request for modification of an existing tower or base station that does not substantially increase the physical dimensions of such tower or base station, involving:

1. Collocation of new transmission equipment;

2. Removal of transmission equipment; or

3. Replacement of transmission equipment.

“Eligible support structure” means any tower or base station as defined in this section; provided, that it is existing at the time the relevant application is filed with the City.

Existing. A constructed tower or base station is existing if it has been reviewed and approved under the applicable zoning or siting process, or under another State or local regulatory review process; provided, that a tower that has not been reviewed and approved because it was not in a zoned area when it was built, but was lawfully constructed, is existing for purposes of this definition.

Substantial Change. A modification substantially changes the physical dimensions of an eligible support structure if it meets any of the following criteria:

1. For towers other than towers in the public rights-of-way, it increases the height of the tower by more than 10 percent or by the height of one additional antenna array with separation from the nearest existing antenna, not to exceed 20 feet, whichever is greater; for other eligible support structures, it increases the height of the structure by more than 10 percent or more than 10 feet, whichever is greater.

a. Changes in height should be measured from the original support structure in cases where deployments are or will be separated horizontally, such as on buildings’ rooftops; in other circumstances, changes in height should be measured from the dimensions of the tower or base station, inclusive of originally approved appurtenances and any modifications that were approved prior to the passage of the Spectrum Act;

2. For towers other than towers in the public rights-of-way, it involves adding an appurtenance to the body of the tower that would protrude from the edge of the tower more than 20 feet, or more than the width of the tower structure at the level of the appurtenance, whichever is greater; for other eligible support structures, it involves adding an appurtenance to the body of the structure that would protrude from the edge of the structure by more than six feet;

3. For any eligible support structure, it involves installation of more than the standard number of new equipment cabinets for the technology involved, but not to exceed four cabinets; or, for towers in the public streets and base stations, it involves installation of any new equipment cabinets on the ground if there are no preexisting ground cabinets associated with the structure, or else involves installation of ground cabinets that are more than 10 percent larger in height or overall volume than any other ground cabinets associated with the structure;

4. It entails any excavation or deployment outside the current site, except that, for towers other than towers in the public right-of-way, it entails any excavation or deployment of transmission equipment outside of the current site by more than 30 feet in any direction. The site boundary from which the 30 feet is measured excludes any access or utility easements currently related to the site;

5. It would defeat the concealment elements of the eligible support structure; or

6. It does not comply with conditions associated with the siting approval of the construction or modification of the eligible support structure or base station equipment; provided, however, that this limitation does not apply to any modification that is noncompliant only in a manner that would not exceed the thresholds identified above.

B. Application. The designated official must prepare and make publicly available an application form used to consider whether an application is an eligible facilities request. The application may not require the applicant to demonstrate a need or business case for the proposed modification.

C. Qualification as an Eligible Facilities Request. Upon receipt of an application for an eligible facilities request, the designated official must review such application to determine whether the application qualifies as an eligible facilities request.

D. Time Frame for Review. Within 60 days of the date on which a network provider submits an eligible facility request application, the designated official must approve the application unless it determines that the application is not covered by this section.

E. Tolling of the Time Frame for Review. The 60-day review period begins to run when the application is filed, and may be tolled only by mutual agreement by the designated official and the applicant or in cases where the designated official determines that the application is incomplete. The time frame for review of an eligible facilities request is not tolled by a moratorium on the review of applications.

1. To toll the time frame for incompleteness, the designated official must provide written notice to the applicant within 30 days of receipt of the application, clearly and specifically delineating all missing documents or information required in the application.

2. The time frame for review begins running again on the date which the applicant makes a supplemental submission in response to the designated official’s notice of incompleteness to render the application complete.

3. Following a supplemental submission, the designated official will notify the applicant within 10 days that the supplemental submission did not provide the information identified in the original notice delineating missing information. The time frame is tolled in the case of second or subsequent notices pursuant to the procedures identified in this subsection. Second or subsequent notice of incompleteness may not specify missing documents or information that were not delineated in the original notice of incompleteness.

F. Determination That Application Is Not an Eligible Facilities Request. If the designated official determines that the applicant’s request does not qualify as an eligible facilities request, the designated official must deny the application.

G. Failure to Act. In the event the designated official fails to approve or deny a request for an eligible facility request within the time frame for review (accounting for any tolling), the request must be deemed granted. The deemed grant does not become effective until the applicant notifies the designated official in writing after the review period has expired (accounting for any tolling) that the application has been deemed granted. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.130 Collocation.

The intent of collocation is to minimize adverse impacts associated with the proliferation of towers, collocation of personal wireless service facilities and eligible facilities requests to expand facilities on existing or new towers are as follows:

A. Proposed facilities may, and are encouraged to, collocate onto existing towers. Such collocation is permitted by right, except that any other permit, license, lease, or franchise requirements must be satisfied, and the collocation must be accomplished in a manner consistent with the policy, site criteria, and landscape/screening provisions contained in this title. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.140 Installation and inspection.

A. All installation must comply with the issued permit.

B. Following construction, the City must inspect the WCF installation. Any construction performed out of compliance with the approved permit must be promptly corrected by the applicant following receipt of notification by the City. Failure to bring the construction into compliance with the permit may result in forfeiture of any franchise guarantees for work within the right-of-way; forfeiture of any deposits for facilities located on City properties; and code enforcement penalties and fines, as applicable and as authorized by the IMC, as determined by the designated official. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.150 Interference.

A. The City may not be liable to network provider for impacts to network service caused by the issuance of WCF permits to other network providers.

B. In the event that permitted WCF causes interference to City communications, the City must notify the network provider in writing. Network provider must respond to the City’s request to address the source of the interference as soon as practicable, but in no event later than 24 hours of receiving written notice. The protocol for responding to events of interference will require the network provider to provide the City with an interference remediation report including:

1. Remediation plan;

2. Time frame for execution; and

3. Additional information.

C. In the event that interference with City facilities cannot be eliminated or remediated to the satisfaction of the designated official, the network provider must shut down and remove all facilities determined to cause interference, at network provider’s sole expense. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.160 Obsolescence and removal.

A. A WCF must be removed by the facility owner within six months of the date it ceases to be operational or if the facility falls into disrepair. Disrepair includes structural features, paint, landscaping, or general lack of maintenance which could result in safety or visual impacts. Whenever a WCF ceases operation or falls into disrepair as provided in this section and as determined by either the designated official or the network provider, the entire WCF must be removed, including but not limited to all antennas, antenna supports, feeder lines, equipment enclosures, equipment, conduit, and the concrete pad upon which the structure is located. The facility owner may apply for an extension of time within those six months if resuming operation of the facility is expected. The designated official, at his or her sole discretion, may extend the time for a period not to exceed six months upon written request by the owner.

B. If the network provider requires the removal or relocation of a WCF or related ground equipment at its own discretion, it must, within 14 days prior to any work, notify the designated official in writing. A relocation will fall under the requirements of IMC 18.512.050.

C. Should the designated official determine a permitted WCF or related equipment has become a danger to the public health, safety, welfare, or City property, the network provider must within 24 hours remove or secure their facilities to the satisfaction of the designated official at their sole expense.

D. Should a WCF or its related equipment get vandalized by graffiti, the network provider must, within 14 calendar days, either remove the graffiti or repaint the structure. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.170 Reserved.

(Ord. 3016 § 7 (Exh. G), 2023).

18.512.180 Conflict.

To the extent that any provision or provisions of this chapter are inconsistent or in conflict with any other provision of the IMC, Comprehensive Plan or any ordinance or regulation of the City, the provisions of this chapter must be deemed to control as they relate to the siting of WCF. However, if there is a specific conflict for WCF in the right-of-way, the franchise agreement must govern. (Ord. 3016 § 7 (Exh. G), 2023).

18.512.190 Allowed deviations to this chapter.

A. Deviations may be requested for the following list of standards in this chapter. Deviations must be requested according to the appropriate permit process in IMC 18.204.020, Review levels. Any proposal to deviate that does not satisfy the following conditions must apply for a variance, also according to Chapter 18.210 IMC, Variances.

B. The City’s designated official may approve the siting of a WCF in a prohibited location, only if all the following criteria are met:

1. The applicant provides sufficient technical or other relevant information that demonstrates there are no “encouraged” or “discouraged” sites available;

2. The proposed siting will minimize visual and noise impacts to adjacent uses; and

3. The applicant will provide the City with a hold harmless and indemnification, on a form acceptable to the City Attorney, for any damage, injury, or other claim resulting from the deviation. (Ord. 3016 § 7 (Exh. G), 2023).