1. Notice. Vendors of real property located within one-quarter mile of the east, south, or west exterior boundaries of section 6 shall provide the following notice to prospective purchasers:

NOTICE OF LANDFILL SITE

The following described property is located within one-quarter mile of the east, south, or west exterior boundaries of Section 6 which contains a facility generally referred to as the Lowry Landfill Superfund Site that has been added to the national priority list for superfund cleanup.

Vendor/grantor:

Property description:

Street address:

2. Area of Applicability. The notice required in this section 146-3.1.7 shall be presented to prospective purchasers of real property located within one-quarter mile of the east, south, or west exterior boundaries of section 6 prior to entering into a contract of sale for the real property. The notice shall be on a separate sheet of paper in at least ten-point boldface type, or in printed capital letters. A signature line for prospective purchasers shall be provided if typewritten. A statement of receipt of the notice shall also be included.

3. Recordation. The notice required in this section shall be recorded with the clerk and recorder of Arapahoe County. (Ord. No. 2019-49 § 1, 08-19-2019)

1. It is unlawful for more than one family or family group, as defined in Article 146-6, to live in a dwelling unit.

2. Existing residential uses in the Accident Potential Zone District are permitted and may expand by no more than 1,000 square feet.

1. Minimum project size is two acres, and the maximum project size is 10 acres.

2. The maximum size of each co-housing unit is 1,000 sq. ft. of gross floor area.

3. A shared private common space containing at least 10 percent of the project area shall be provided.

4. A shared facility for communal cooking, dining, and other activities containing at least 2,000 sq. ft. shall be provided.

5. Individual lots or portions of the project may not be subdivided for sale.

6. Zone district lot requirements and setback requirements shall apply to the project site as a whole, but not to individual co-housing dwelling sites.

7. Each project site shall maintain a vegetated buffer meeting the standards of Section 146-4.7 (Landscape, Water Conservation, Storm water Management) including but not limited to Section 146-4.7.5.F (Required Landscape Buffer Widths and Allowed Reductions), as applicable to multifamily dwellings, along each side and rear lot line, and no portion of any primary or accessory structure may be located in that buffer area.

1. Minimum project size is one acre, and maximum project size is 10 acres.

2. No cottage development may be located within one-quarter mile of another cottage housing development, measured at the closest points on the property boundaries.

3. The maximum density shall be no more than 16,000 square feet of gross floor area in cottage units per acre of project site area.

4. A shared private common space containing at least 10 percent of the project area shall be provided.

5. Individual cottage lots or portions of the project may not be subdivided for sale.

6. Zone district lot requirements and setback requirements shall apply to the project site as a whole, but not to individual co-housing dwelling sites.

7. Each project site shall maintain a vegetated buffer, meeting the standards of Section 146-4.7 (Landscape, Water Conservation, Storm water Management) including but not limited to Section 146-4.7.5.F (Required Landscape Buffer Widths and Allowed Reductions), as applicable to multifamily dwellings, along each side and rear lot line, and no portion of any primary or accessory structure may be located in that buffer area.

8. The applicant shall submit a Site Plan identifying individual cottage development sites, streets, parking areas, storm drainage facilities, common areas and facilities, and any other features required to be identified by this UDO or state condominium law.

1. Not more than three people may be engaged in the making, servicing or selling of goods, or provision of personal and professional services, within a single unit.

2. At least one person shall reside in the dwelling unit where the non-residential activity or activities occur.

3. The residential unit shall be located above or behind the non-residential areas of the structure.

4. The area where the commercial activity is conducted shall not exceed 50 percent of the gross floor area of the dwelling unit.

5. Signs are limited to not more than two non-illuminated wall or window signs not exceeding 10 square feet in total area.

6. The work activities shall not adversely impact the public health, safety, or welfare of adjacent properties.

1. Each multifamily dwelling unit structure shall be accessed from a public or private street meeting the Aurora Roadway Design and Construction Specifications Manual. All buildings require at least one main pedestrian or dwelling unit entry with frontage and direct access onto the street and result in no single portion of horizontal façade greater than 150 feet without an entry. Affordable housing structures only require one entry with frontage and direct access to the street. Entries must comply with design options in Table 4.8-9.

2. After the Effective Date, multifamily dwelling structures with outside staircases leading to units on floors above the ground floor are prohibited.

3. If this use is located in an R-1 zone district in Subarea C in a development that does not include the Small Residential Lot option, the maximum number of multifamily dwelling units in a single structure is limited to 10.

4. If this use is located in an R-2 zone district in Subarea C in a development that does not include the Small Residential Lot option, the maximum number of multifamily dwelling units in a single structure is limited to 25.

5. If this use is located in an R-1, R-2, or MU-A zone district in Subarea C in a development that does not include the Small Residential Lot option, the use must be located within 330 feet of:

6. If this use is located in an R-1, R-2, or MU-A zone district in Subarea C in a development that includes the Small Residential Lot option, the provisions of Section 146-4.2.3.A (Subarea C Small Residential Lot Standards) for this use shall apply.

7. On-site outdoor space shall be a minimum of 20 percent of the site or the minimum amount required on a “per unit” basis in certain zone districts. The purpose is to assure that multifamily development includes adequate outdoor space for residents and guests. Adequate outdoor space includes a mix of:

The required outdoor space may not include areas intended for vehicular use. Landscape buffers and other required landscape features do not count toward the outdoor space requirements unless they are designed as usable green space or common gathering space or are adjacent to and within 25 feet of such space. Internal sidewalks and trails intended for use by all residents and guests may contribute to the requirement when adjacent to eight feet of landscape area and include amenities such as benches or similar features. Detention ponds may only count toward the requirement for the portions designed to include usable green space and common gathering space. Balconies and rooftop “outdoor spaces” may count toward the requirement. Dog parks may count for up to 40 percent of the requirement.

In addition, buildings over 400 feet in length include at least one courtyard, plaza, or similar feature along the streetscape. The minimum size is 400 square feet, and the minimum dimension is 15 feet.

Outdoor Space Credit. Multifamily buildings located within 330 feet of a neighborhood or community park may reduce the outdoor space requirement by half for that portion of the site located within 330 feet of the park. To receive this credit, a direct pedestrian route to the park is required, which may not cross an arterial street or other roadway with a speed limit that is 40 mph or above.

8. If the use is located in a mixed-use district, commercial or other nonresidential uses within the building should be located on the ground floors facing the primary pedestrian streets and include storefront windows to enhance the streetscape.

1. This use may only be located in an MU-C zone district if the property is located in Subareas A or B.

2. The front door of each dwelling unit shall face a public or private street meeting the Aurora Roadway Design and Construction Specifications Manual or a Green Court Dwelling development meeting the standards of this UDO.

3. If this use is located in an R-1 zone district in Subarea C in a development that does not include the Small Residential Lot option, the maximum number of single-family attached dwelling units in a single structure is limited to 8.

4. If this use is located in an R-2 zone district in Subarea C in a development that does not include the Small Residential Lot option, the maximum number of single-family attached dwelling units in a single structure is limited to 12.

5. If this use is located in an R-1, R-2, or MU-A zone district in Subarea C in a development that does not include the Small Residential Lot option, the use must be located within 330 feet of:

6. If this use is located in an R-1, R-2, or MU-A zone district in Subarea C in a development that does not include the Small Residential Lot option, the use must include at least 360 square feet of private or common open space per dwelling unit, and the length and width of dimensions of that open space shall be at least 10 feet, unless the dwelling units are included in Green Court Dwelling or Motor Court Dwelling development.

7. If this use is located in an R-1, R-2, or MU-A zone district in Subarea C in a development that includes the Small Residential Lot option, the provisions of Section 146-4.2.3.A (Subarea C Small Residential Lot Standards) for this use shall apply.

1. Any single-family detached dwelling existing on the Effective Date shall be considered a conforming dwelling.

2. In the APZ districts, this use is limited to the APZ II area and the maximum residential density is one dwelling unit per acre.

3. Any single-family detached dwelling, including a Tiny House, containing less than 600 square feet of gross floor area shall have a covered outdoor porch located on the front of the dwelling containing not less than 50 square feet of area.

4. A single-family detached dwelling unit may be converted to a commercial use provided the conversion complies with the following requirements:

1. The installation of any Manufactured Home or Tiny House shall comply with Articles I, III and IV of Chapter 90 of the Aurora City Code.

2. All Manufactured Housing Parks shall comply with those standards in Section 146-2.3.6.

3. The management and operation of each Manufactured Housing Park in any R-MH district shall comply with Article II of Chapter 90.

1. Land in the MU-N or MU-C zone districts; or

2. Land designated for development as an activity center pursuant to Section 146-5.4.3.I (Administrative Activity Center Designation); or

3. Land designated on a Master Plan as a park or open space that has a minimum length and width of at least 250 feet.

1. Application. Prior to the establishment of supportive housing, the owner/operator shall file an application with the Planning Department. An application shall be granted if the Planning Director finds the proposal complies with the following criteria:

2. Changes to Supportive Housing. All changes to the application or conditions of approval shall be approved by the Planning Department.

3. Permitted and Nonconforming Uses. Only supportive housing as defined in this UDO shall be permitted. Existing facilities under the former definition of "group homes" that do not comply with the provisions of this Section 146-3.3.2.O shall be considered nonconforming uses and shall be subject to the limitations on nonconforming uses in Section 146-5.5 (Pre-existing Development and Nonconformities).

4. Domestic Violence Shelter. The Planning Director is authorized to permit the operation of a domestic violence shelter. An application for a domestic violence shelter shall include any information that the Director deems necessary to adequately review the proposed use. The permit shall be approved only if the Director determines that the use will not negatively affect abutting properties and the surrounding neighborhood. No shelter shall be operated in a manner that constitutes a nuisance under common law. The records of the application and permit shall be confidential. (Ord. No. 2022-32 § 1, 07-11-2022; Ord. No. 2022-17 § 5, 04-25-2022; Ord. No. 2020-37 § 7, 10-05-2020; Ord. No. 2019-49 § 1, 08-19-2019)

1. It shall be unlawful for any person to maintain any child or adult in such facility, other than the child or adult of the owner or manager living in the facility, for more than 16 hours in any 24-hour period. The operation of the facility shall not include overnight occupancy by the clients.

2. Adult and child day care may be operated within structures on church premises or publicly owned community centers, or any other non-residential or mixed-use structures that comply with this UDO; provided, that such uses are lawfully permitted and operating in the underlying zone district, and provided that the structure has a minimum 25 foot setback from all interior side and rear property lines.

1. All high schools shall be located on a site with direct access to an arterial or collector street.

2. Any elementary or middle school located on a site adjacent to an arterial or collector street shall provide an automobile pick-up/drop-off area adequate to protect student safety with access from either a collector or local street, and shall provide a direct pedestrian connection to at least one local street adjacent to the site.

3. All schools shall provide bicycle parking in an amount equal to three percent of school enrollment. (Ord. No. 2019-49 § 1, 08-19-2019)

1. Those parts of structures in which animals are boarded shall be fully enclosed, with solid core doors and no operable windows, and shall be sufficiently insulated so no unreasonable noise or odor can be detected off the premises.

2. All boarded animals shall be kept within a totally enclosed part of a structure between the hours of 10:00 p.m. and 6:00 a.m.

3. In the MU-C, MU-A, and I-1 districts, outdoor runs shall be located at least 150 feet from adjoining properties, except where the adjoining property is owned or occupied by the operator of the kennel.

4. This use is not permitted within 300 feet of land zoned for residential land uses.

1. When this is a primary use of land, the use is limited to the cultivation of plants and the erection of permitted accessory structures; unless authorized by another City ordinance.

2. When this is an accessory use of land:

3. Greenhouses, hoop houses, cold frames, storage sheds, and other accessory structures are limited to a maximum height of 12 feet and shall be set back at least 10 feet from any abutting lot with an occupied residential use.

4. The cumulative area covered by structures more than four feet above grade shall not exceed 25 percent of the site.

5. Operation of power equipment or generators shall not occur between the hours of 8:00 p.m. and 8:00 a.m. (Ord. No. 2020-37 § 8, 10-05-2020; Ord. No. 2019-49 § 1, 08-19-2019)

1. [RESERVED].

2. Each facility shall be required to obtain City approval for an operations and security plan designed to prevent negative impacts on the surrounding areas, and to maintain the property and conduct its operations in compliance with the approved plan.

1. In the R-1, R-2, R-3, R-4 and MU-OA districts:

2. Each guest stay shall be limited to a maximum of 30 consecutive days.

3. No food preparation or cooking shall be conducted within any bedroom made available for guests.

4. The exterior design of any exterior modification of the structure or premises shall include an amount of façade articulation, and numbers and locations of windows and building entrances on the primary building façade that are similar to those in the surrounding area and neighborhood.

5. The applicant for a bed and breakfast facility shall certify that the use will not violate any real property covenants.

1. All corridors and stairwells shall be fully enclosed within the building envelope.

2. All air vents mounted on a building façade shall be integrated into the building design and shall be flush with the façade or inserted inconspicuously into a wall recess.

1. In all zone districts, any establishment on a lot that is located partially or entirely within 300 feet of an R-R, R-1, or R-2 zone district and that will remain open to the public after 12:00 midnight shall require a conditional use approval.

2. In the MU-OA-R2 or MU-OA-RMU subdistricts, this use is only available in two circumstances:

3. In the APZ zone district, this accessory use is limited to a capacity of 12 persons in the APZ I area and 16 persons in the APZ II area.

1. Residences. Each art studio or workshop residential unit shall be considered a separate and distinct residential unit for the purpose of calculating density. Art studios and workshops that incorporate the residential element shall be occupied and used only by an artist whose galleries and studios are located in the same building. In addition to the artist, the family of the artist may occupy the units.

2. Sales. In the R-2, R-3, and R-4 districts, sales of artwork or goods created outside the art studio or workshop is not allowed. In all other zone districts sales from the premises shall be limited to art and art-related products.

3. Studio/Work Area. The studio and/or work area of the art space shall be located in the front of the building with access to the public street and the sidewalk. Such access to the street shall be provided so that the studio or work area can be accessed without having to go through the residential area or any other use. The access shall include a front door to the street and sidewalk. Work shall be conducted so as to prevent dust, fumes, noise, or odors from the studio/work activities from being discernible beyond the property lines.

4. MU-OA-R2 and MU-OA-RMU Subdistricts

In the MU-OA-R2 or MU-OA-RMU subdistricts, this use is only available in two circumstances:

1. Indoor Waiting Area. Day Labor Halls shall provide an indoor waiting area of adequate size and seating capacity to accommodate current and prospective clients and employees for extended periods of time. Prospective employees may not await work assignments in parking lots or other outdoor areas.

2. Restroom Facilities. Restroom facilities shall be available to all employees and customers of the Day Labor Hall during all hours of operation. Restrooms shall be internally accessible from the business reception/waiting area. If the Day Labor Hall is in a multi-level office building, the restrooms shall be directly accessible from a public hallway on the same floor as the employment office.

3. Hours of Operation. Day Labor Halls located directly adjacent to residentially zoned areas shall not operate between the hours of 8 p.m. and 6 a.m.

4. Minimum Distance between Uses. The minimum distance between Day Labor Halls shall be 1,500 feet, as measured radially from the nearest points on the property lines of each facility.

5. Additional limitation in MU-OA-MS Subdistrict. In the MU-OA-MS subdistrict, only Day Labor Halls existing on the Effective Date are permitted.

1. In the R-4 district, only philanthropic and charity offices are allowed above the ground floor of a multifamily dwelling, and only with conditional use approval.

2. In the MU-OA-R2 subdistrict, this use must be located at the corner of two streets and must comply with the standards in Section 146-2.4.4.F.1 (Corner Commercial Use), which requires conditional use approval.

3. In the MU-OA-RMU subdistricts, this use is only available in two circumstances:

1. In the R-R, R-1, R-2, R-3, R-4, and R-MH districts, indoor recreational facilities are permitted if they are located in private common space and use of the facility is limited to residents of the development and their guests.

2. In the MU-N and MU-R districts, clubhouses and indoor recreational facilities owned or operated by homeowners’ associations, apartment operators, or special assessment districts are permitted.

3. In the MU-OI district:

1. [RESERVED]

2. [RESERVED]

3. All outdoor stadiums shall comply with Section 11-18.5 of the Aurora City Charter prohibiting direct or indirect subsidies to motor sports facilities.

1. In Residential zone districts, this use must be owned or operated by a homeowners’ association, apartment operator, or charitable organization.

2. If this use includes one or more accessory guest rooms or guest houses, such accommodations shall comply with the building code, or if the guest room or guest house is assembled off-site, shall comply with the building construction standards of the federal Mobile Home Construction and Safety Standards Act of 1974 and Articles I, III, and IV of Chapter 90 of the Aurora City Code.

1. The Recreational Vehicle Park shall be a minimum of five acres in size, and a maximum of 40 acres.

2. Recreational vehicles shall not be visible from adjacent or surrounding arterial streets or highways. Screening shall comply with Section 146-4.7 (Landscape, Water Conservation, Storm water Management).

3. Recreational Vehicle Park entrances shall be directly from an arterial street, and routes to the park shall not pass through residential neighborhoods.

4. Vehicular areas of each recreational vehicle site shall be a minimum of 14 feet by 65 feet.

5. Any slide-outs, stairs, or similar items shall be contained within the vehicular area of the site.

6. No more than one recreational vehicle shall be permitted at any individual site. Vehicles that tow or are towed by the recreational vehicle shall also be parked in the same portion of the site as the recreational vehicle.

7. Recreational vehicle parks shall have a full-time manager on site at all times.

8. Services and amenities within the Recreational Vehicle Park shall be restricted to use by registered campers and their guests, and shall include at a minimum water, sewer, and electricity for each site, water and sewer facilities for common buildings, dump stations, common bathrooms and showers in the camping area, laundry facilities, a management office, and an active recreational area.

9. An active recreation area shall be a minimum of four percent of the site, and may include a clubhouse, indoor swimming pool, outdoor amphitheater, food and beverage service, catering facilities, and other such similar amenities.

10. Sale of retail items shall be limited to registered campers and their guests, and shall not occupy more than 2,000 square feet of building area.

11. No blocking or skirting of recreational vehicles shall be permitted.

12. No outdoor storage by park guests shall be permitted.

13. The site shall be properly graded for drainage; surfaced with concrete, asphalt or any other improved surface approved by the Planning Director based on durability, appearance, and dust control.

14. The site shall be maintained in good condition, free of weeds, trash, and debris.

1. In the MU-OA-R2 subdistrict, only personal services, small, are permitted, and the use must be located at the corner of two streets and must comply with the standards in Section 146-2.4.4.F.1 (Corner Commercial Use), which requires conditional use approval.

2. In the MU-OA-RMU subdistrict, this use is only available in two circumstances:

1. In Subarea A, a retail liquor store shall not be established within 300 feet of a single-family residential use unless a conditional use approval has been obtained.

2. No retail liquor store or liquor licensed drugstore, not existing or operating on February 1, 2004, shall be established, operated, or maintained within 1,500 feet of another liquor store as measured in a straight line from the nearest portion of the exterior of the existing business to the nearest portion of the exterior of the proposed business. Retail liquor stores and liquor licensed drugstores that existed or operated prior to the amendment of this Section are exempt from this Section as to those existing locations. Such preexisting uses are specifically considered existing businesses and not subject to the limitations of a nonconforming use or building as defined by Section 5.5, Pre-Existing Development and Nonconformities. Existing licensed retail liquor stores or liquor licensed drugstores may change location only if the new location meets the dispersal requirement contained in this Section.

1. Prohibited Uses. The following uses are not permitted within the City of Aurora:

2. Location Restrictions. Where this Section 146-3.3.5.S imposes distance restrictions, and an existing lot or parcel does not conform to the distance requirements, the City shall not permit the lot or parcel to be subdivided for the purpose of creating a new lot or parcel that complies with the distance requirements, unless all lots and parcels resulting from the subdivision will be lots or parcels capable of accommodating development that complies with all applicable requirements of this UDO for the zone district in which the property is located.

3. Retail Marijuana Store.

4. Marijuana Cultivation Facility, Product Manufacturing Facility, Research Business, Testing Facility, or Marijuana Transporter Licensed Premises

5. Marijuana Greenhouse Cultivation Facilities. Greenhouses used for the cultivation of marijuana shall comply with the following standards in addition to the standards in Section 146-4.8 (Building Design Standards).