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Benicia City Zoning Code

Division III

OVERLAY ZONING DISTRICTS

§ 17.50.010 Specific purposes.

The specific purposes of the HD hillside development overlay district are to:
A. 
Maintain an environmental equilibrium consistent with existing vegetation, soils, geology, slopes, and drainage patterns, and to preserve the natural topography, including swales, canyons, knolls, ridgelines, and rock outcrops, wherever feasible;
B. 
Avoid development that would result in unacceptable fire, flood, slide, or other safety hazards;
C. 
Avoid unwarranted, high maintenance costs for public facilities;
D. 
Provide a mechanism for flexible design of residential development projects in hillside areas so that development may be concentrated in those areas with the greatest environmental carrying capacity and areas with low environment carrying capacity developed at very low density or reserved as permanent open space;
E. 
Avoid residential densities that would generate traffic requiring extensive grading to provide an adequate street system.
(Ord. 87-4 N.S., 1987)

§ 17.50.020 Applicability and zoning map designator.

The HD hillside development overlay district may be combined with any R district and applied to property, portions of which have a natural gradient in excess of 20 percent (20 feet of vertical distance for each 100 feet of horizontal distance). It may be initiated by an applicant or by the city under the procedures established in Chapter 17.120 BMC, Amendments. Each HD hillside development overlay district shall be shown on the zoning map by adding the designator "-HD" to the base district designation, and a hillside development plan shall be required for all development, consistent with the provisions of BMC § 17.50.060 et seq.
(Ord. 87-4 N.S., 1987)

§ 17.50.030 Land use regulations.

Land use regulations shall be those of the base district with which the HD district is combined.
(Ord. 87-4 N.S., 1987)

§ 17.50.040 Development regulations.

Development regulations shall be those of the base district with which an HD district is combined, unless modified by another overlay district; provided, that the requirements in the following schedule shall be in addition and shall govern where conflicts arise. The first column of the schedule prescribes basic requirements for permitted and conditional uses. Letters in parentheses in the "Additional Regulations" column refer to the "Additional Development Regulations" following the schedule.
HD District: Development Regulations
Basic Regulations
Additional Regulations
Minimum Lot Area
(A)
Minimum Site Area Per Unit (sq. ft.)
(B)
Minimum Yards:
Front (feet)
15
(C)(D)
Side (feet)
10 percent of width;
5 feet min.;
10 feet max.
(D)
Corner Side (feet)
10 percent of width;
10 feet min.;
15 feet max.
(D)
Rear (feet)
25
(D)
Maximum Height (feet)
30
(E) (F) (G)
Screening of Mechanical Equipment
(H)
Exterior Structural Supports
(I)
Driveways and Off-Street Parking
(J)
HD District: Additional Regulations
(A) See BMC § 17.50.090, Hillside development plan – Minimum lot size – Maximum number of dwelling units.
(B) As determined by slope/density formula in BMC § 17.50.050.
(C) If the existing lot elevation at the rear of the normally required front yard (20 feet) at its centerline is 10 feet above or below the elevation of the adjoining street, the minimum front yard shall be 10 feet, but the garage proscenium shall be set back at least 20 feet from the front property line.
(D) See BMC § 17.70.150, Building projections into yards and courts.
(E) See BMC § 17.70.170, Measurement of height.
(F) Structures within 20 feet of the front property line shall not intercept a 1:1 daylight plane inclined inward from a height 20 feet above existing grade at the front setback line.
(G) See BMC § 17.70.180, Exceptions to height limits.
(H) See BMC § 17.70.210, Screening of mechanical equipment.
(I) Exterior structural supports and undersides of floors and decks not enclosed by walls and more than 15 feet high may be approved only if the development services director finds that no alternative type of construction is feasible, and fire-safety and design considerations have been adequately addressed.
(J) Driveways that are not entirely visible from both ends shall have passing turnouts. All driveways shall comply with minimum widths and maximum grades prescribed by the standard engineering specifications adopted pursuant to BMC Title 15, Buildings and Construction. A dwelling unit adjoining a street having parking prohibited on both sides shall provide a minimum of two independently accessible off-street parking places for guests. Required parking for guests may be in a required front yard if the existing lot elevation is 10 feet above or below street elevation at the rear of the normally required front yard, or within 100 feet of every dwelling unit. The provisions of this subsection shall apply only to lots created or developed after the effective date of the ordinance codified in this title.
(F) MINIMUM FRONT YARD: HILLSIDE OVERLAY DISTRICT
(The diagram is illustrative)
HD DISTRICT: SLOPE DENSITY RELATIONSHIP
Average Slope (percent)
Yield (Units per Gross Acre)
0 – 10
7
11
6.70
12
6.40
13
6.10
14
5.80
15
5.50
16
5.20
17
4.90
18
4.60
19
4.30
20
4.00
21
3.70
22
3.40
23
3.10
24
2.80
25
2.50
26
2.20
27
1.90
28
1.60
29
1.30
30
1.00
31
.90
32
.80
33
.70
34
.60
35
.50
36
.40
37
.30
38
.20
39
.10
40 or more
.05
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.50.050 Slope/density formula.

A. 
The maximum number of dwelling units permitted by an HD plan shall be determined by the formula: N = A x Y, where:
"N" is the maximum number of units;
"A" is gross developable area in acres inclusive of any public right-of-way and easements established by a parcel map or subdivision map consistent with an HD plan but exclusive of any existing rights-of-way; and
"Y" (yield in units per net acre) is 7.00 for an average slope between 0 and 10 percent. For average slopes between 10 and 30 percent, the yield shall decline 0.30 per acre for each one percent increase in slope. For slopes between 30 and 39 percent, the yield shall decline 0.10 per acre for each one percent increase in slope; for average slopes of 40 percent or more, the yield shall be 0.05 per acre.
B. 
Slope shall be calculated by the formula:
S =
I x L x (.00229)
A
, where
S
=
Average ground slope in percent, calculated for the entire site, to be divided and rounded to the nearest whole number.
I
=
Contour interval in feet. The contour interval shall be 10 feet or less.
L
=
The combined length in feet of all contour lines within the site.
A
=
Gross area for the site in acres prior to further subdivision.
.00229
=
The factor for conversion of square feet to acres times 100 percent.
(Ord. 87-4 N.S., 1987)

§ 17.50.060 Hillside development plan required.

A. 
A project in an HD district for which a grading permit is required shall have an approved HD hillside development plan prior to issuance of a grading permit or approval of a subdivision map.
B. 
An HD plan that will permit a subdivision of five or more parcels shall be approved, approved with conditions, or disapproved by the city council.
C. 
An HD plan that will only permit a subdivision of four or fewer parcels shall be approved, approved with conditions, or disapproved by the planning commission, with the commission's decision appealable to the city council.
(Ord. 87-4 N.S., 1987)

§ 17.50.070 Initiation.

An application to approve an HD hillside development plan shall be initiated by a property owner or authorized agent. If the property is not under a single ownership, all owners shall join the application, and a map showing the extent of ownership shall be submitted with the application.
(Ord. 87-4 N.S., 1987)

§ 17.50.080 Required plans and materials.

An HD plan shall include any or all of the following items deemed necessary by the development services director to determine compliance with the purposes of this chapter:
A. 
A map of the HD plan area showing sufficient topographic data to indicate clearly the nature of the terrain and the type, location, and condition of mature trees and other natural vegetation.
B. 
A fully dimensioned site and circulation plan delineating proposed uses, building locations and density, public and private streets, and parking areas, and a conceptual grading plan indicating the nature and general extent of grading proposed. A tentative map prepared pursuant to BMC Title 16, Subdivisions, may be substituted for this requirement.
C. 
A soil engineering report including, but not limited to, data regarding the nature, distribution, and strengths of existing soils; conclusions and recommendations for grading procedures; design criteria for any identified corrective measures; and opinions and recommendations covering the adequacy of sites to be developed. The investigation shall be compiled by a California-registered soil engineer.
D. 
A geology report including, but not limited to, the surface and subsurface geology of the site; degree of seismic hazard; conclusions and recommendations regarding the effect of geologic conditions on the proposed development; opinions and recommendations covering the adequacy of sites to be developed; and design criteria to mitigate any identified geologic hazards. The investigation and report shall be compiled by a California-registered geologist or engineering geologist.
E. 
A hydrology report including, but not limited to, the hydrologic conditions on the site; possible flood inundation with existing development and with future development under the general plan and the HD plan; downstream flood hazards, including cumulative impacts of development in the drainage basin; natural drainage courses; conclusions and recommendations regarding the effect of hydrologic conditions on the proposed development; opinions and recommendations covering the adequacy of the site to be developed; and design criteria to mitigate any identified hydrologic hazards, including cumulative impacts consistent with these regulations. This report shall account for all runoff and debris from tributary areas and shall provide consideration for each lot or dwelling unit site in a proposed hillside development project. The investigation and report shall be compiled by a California-registered civil engineer experienced in hydrology and hydrologic investigation.
F. 
A three-dimensional scale model of the project site of a scale sufficient to evaluate the project as prescribed by the development services director. The development services director may waive this requirement if circumstances warrant.
G. 
A landscape plan consistent with the provisions of BMC § 17.70.190.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.50.090 Hillside development plan – Minimum lot size – Maximum number of dwelling units.

The city council or the planning commission, as the case may be, may approve an HD plan including lots smaller than those required by the base district, but shall not approve a total number of dwelling units on a parcel or in a subdivision greater than permitted by the slope/density formula established in BMC § 17.50.050. Restrictions on the number of dwelling units permitted shall be recorded with a subdivision map or prior to issuance of a zoning permit.
(Ord. 87-4 N.S., 1987)

§ 17.50.100 Approval of a hillside development plan.

A. 
General Procedures. An application for approval of an HD hillside development plan shall be processed as a use permit application in accord with the provisions of Chapter 17.104 BMC with the responsibilities for approval as prescribed in BMC § 17.50.060.
B. 
Required Findings. The planning commission or the city council, as the case may be, shall approve or conditionally approve a proposed hillside development plan upon finding that it:
1. 
Conforms to the general plan;
2. 
Complies with the land use and development regulations of the base zoning district, the HD overlay district, and any other overlay districts applied to the property; and
3. 
Can be adequately, reasonably and conveniently served by public services, utilities and public facilities.
(Ord. 87-4 N.S., 1987)

§ 17.50.110 Lapse of hillside development plan approval.

An HD plan shall become void two years following the date of approval unless actions specified in the conditions of approval have been taken or unless the initial approval was for a stated period longer than two years. An HD plan may be renewed by the planning commission or the city council, whichever approved the plan, upon application 30 but not more than 60 days prior to expiration if the planning commission or the city council finds that circumstances have not changed to make the plan inconsistent with the purposes of this chapter.
(Ord. 87-4 N.S., 1987)

§ 17.50.120 Development plan review.

Plans for a project requiring an HD plan shall be accepted for development plan review only if they are consistent with a valid HD plan and with all other applicable requirements of this code.
(Ord. 87-4 N.S., 1987)

§ 17.54.010 Specific purposes.

The specific purposes of the H historic overlay district are to:
A. 
Implement the city's general plan;
B. 
Deter demolition, destruction, alteration, misuses, or neglect of historic or architecturally significant buildings that form an important link to Benicia's past;
C. 
Promote the conservation, preservation, protection, and enhancement of each historic district;
D. 
Stimulate the economic health and residential quality of the community and stabilize and enhance the value of property;
E. 
Encourage development tailored to the character and significance of each historic district through a conservation plan that includes goals, objectives, and design criteria.
(Ord. 87-4 N.S., 1987)

§ 17.54.020 Applicability and zoning map designator.

The H historic overlay district may be combined with any zoning district. Each H overlay district shall be shown on the zoning map by adding an "-H" designator to the base district designation followed by the number of the district based on the order of adoption.
(Ord. 87-4 N.S., 1987)

§ 17.54.030 Land use and development regulations.

A. 
The land use and development regulations applicable in an H district shall be as prescribed for the base district with which it is combined unless modified by another overlay district; provided, that the requirements of the district conservation plan shall govern where conflicts arise.
B. 
Exceptions for Historic and Architecturally Significant Structures.
1. 
The development services director may grant a use permit for an exception to the land use regulations of the base district with which an H district is combined when such an exception is necessary to permit the preservation or restoration of an historic or architecturally significant building, structure or site.
2. 
Applications for such use permits shall be filed with the development services director on a form provided. The development services director shall refer all applications for an exception under this section to the historic preservation review commission (HPRC) for a report and recommendation. In making a decision, the development services director shall make a written finding that shall specify the facts relied upon in rendering his decision. A copy of this written finding, together with all evidence presented to the development services director, shall be filed in the development services department. The written finding and decision shall be mailed to the applicant and shall be subject to appeal to the planning commission. Decision-making authority on such use permits may be deferred to the planning commission at the option of the development services director. Upon their decision in such instances, an appeal may be made to the city council as prescribed in Chapter 1.44 BMC.
(Ord. 87-4 N.S., 1987; Ord. 05-03 § 4; Ord. 07-59 § 1; Ord. 25-09 §§ 3, 4)

§ 17.54.040 Criteria for establishment of H district.

A. 
A portion of a base district shall be eligible for inclusion in an H district if one or more of the following criteria, rigorously applied, are met:
1. 
The area possesses character, interest, or value as part of the heritage of the city.
2. 
The area is the location of a significant historical event.
3. 
The area is identified with a person or group that contributed significantly to the culture and development of the city.
4. 
Structures within the area exemplify a particular architectural style or way of life important to the city.
5. 
Structures within the area are the best remaining examples of an architectural style in a neighborhood.
6. 
The area or its structures are identified as the work of a person or group whose work has influenced the heritage of the city, the state, or the United States.
7. 
The area or its structures embody elements of outstanding attention to architectural or landscape design, detail, materials, or craftsmanship.
8. 
The area is related to a designated historic building or district in such a way that its preservation is essential to the integrity of the building or district.
9. 
The area's unique location or singular physical characteristics represent an established and familiar visual feature of a neighborhood.
10. 
The area has potential for yielding information of archaeological interest.
11. 
The area's integrity as a natural environment strongly contributes to the well-being of the people of the city.
B. 
Portions of a base zoning district that do not meet the above criteria may be included in an H district if inclusion is found to be essential to the integrity of the district.
(Ord. 87-4 N.S., 1987)

§ 17.54.050 Criteria for designating landmark buildings.

Individual buildings may be designated as historic or architecturally significant landmarks if one or more of the criteria set forth in BMC § 17.54.040 are met. A landmark so designated shall be eligible for the same review procedures as buildings and structures within an H district.
(Ord. 87-4 N.S., 1987)

§ 17.54.060 Conservation plan required.

Prior to filing an application for an H district, the applicant shall prepare an historic district conservation plan with the assistance of the development services department. Each conservation plan shall contain:
A. 
A map and description of the proposed district, including boundaries; the age, setting, and character of structures; urban design elements and streetscapes; major public improvements; and proposed objectives to be achieved;
B. 
A statement of the architectural or historical significance of the proposed district;
C. 
A list of specific alterations that should be subject to design review in order to protect the architectural or historical character of the proposed district;
D. 
A set of specific performance guidelines for new construction and alterations necessary to preserve the character of the proposed district;
E. 
Proposed rules and regulations for design review.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 3)

§ 17.54.070 Application requirements.

A. 
Filing of Petition. An application for an H district or landmark designation may be initiated by the planning commission or city council, or by filing a petition requesting establishment of the district with the development services director, accompanied by the required fee. If initiated by petition, the application shall include:
1. 
The proposed conservation plan for the district as prescribed by BMC § 17.54.060;
2. 
A form bearing the signatures of the owners of 51 percent of the land area within the proposed district.
B. 
Application Contents. An application for a landmark designation shall contain:
1. 
A map showing the location of the building or structure and building plans or photographs of the building exterior;
2. 
A statement of the architectural or historical significance of the proposed building and description of the particular features that should be preserved; and
3. 
Except when initiated by the city, the consent of the owner or authorized agent to the proposed designation is required. For purposes of this section, each condominium owner's association shall be deemed the property owner of common areas.
Prior to accepting the application as complete, the development services director may request additional information, plans or materials deemed necessary to support the application. A planning commission public hearing on the petition shall be held within 90 days of the date the petition is accepted as complete.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.54.080 Review and approval.

A. 
Neighborhood Workshop. The development services department shall conduct a neighborhood workshop in the proposed district to explain the proposal and the amendment process to neighborhood residents. Notice of the workshop shall be given in the same manner prescribed for zoning map amendments by BMC § 17.120.040.
B. 
Notice and Public Hearing. After the neighborhood workshop, the proposed district shall be the subject of public hearings before the planning commission and the city council. The hearings shall be set, noticed, and conducted as prescribed by Chapter 17.120 BMC.
C. 
Contents of Public Notice. In addition to the information prescribed by Chapter 17.120 BMC, notice of a public hearing for the establishment of an H district or designation of a landmark shall include a statement that original petitioners have the right to withdraw their support of the district at any time prior to the hearing, and that property owners who have not signed the petition have the right to do so prior to the date of the hearing.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 3)

§ 17.54.090 Establishment of H districts and landmark designation.

A. 
Required Findings. In addition to the findings required by Chapter 17.120 BMC, the planning commission and city council shall find that the proposed district or landmark has a significant architectural or historical character that can be preserved and enhanced through appropriate controls on new development and alterations to existing buildings and landscaping.
B. 
Adoption of Conservation Plan. An ordinance establishing an H district shall include an historic district conservation plan in the form submitted or as revised by the planning commission or city council. The plan's performance guidelines may modify the land use and development regulations of the base zoning district, but shall not significantly alter the regulations. A performance guideline shall be found to be a significant alteration of base district regulations if it substantially prevents property from being used in accord with the provisions of the base district, or creates a substantial number of nonconforming uses or structures.
C. 
Effects on Projects Initiated Prior to Effective Date. No provision of this chapter shall apply to projects initiated prior to the effective date of an ordinance establishing an H district or designating a landmark. Such projects shall be considered nonconforming uses, subject to the provisions of Chapter 17.98 BMC. For the purposes of this subsection, a project shall be deemed initiated if an application, plans, and materials for concept or development plan review have been filed and accepted as complete.
D. 
Amendments to Adopted Conservation Plans. Procedures for an amendment to an adopted conservation plan shall be initiated in the same manner as an application for a zoning map amendment (Chapter 17.120 BMC).
(Ord. 87-4 N.S., 1987)

§ 17.54.100 Demolition and design review procedures.

A. 
In General.
1. 
Except as modified by an adopted conservation plan, design review in an H district or of a proposed alteration, enlargement or demolition of a designated landmark shall be conducted as prescribed by Chapter 17.108 BMC. Design review and approval shall be the responsibility of the development services director or the historic preservation review commission, as the case may be.
2. 
The building official shall not issue a permit for construction, alteration, enlargement, or demolition of a building or structure located in an H district or of a designated landmark without the prior approval of the development services director or the historic preservation review commission. Prior approval of the development services director or the historic preservation review commission is not required for permit applications of an emergency nature to rehabilitate an unsafe building or to demolish the structure for the same reasons.
3. 
Accessory Dwelling Units Not Subject to Design Review. Notwithstanding any provisions of this chapter to the contrary, accessory dwelling units and carriage units shall be exempt from this section, including all demolition and design review procedures set forth herein.
B. 
Criteria. In addition to the requirements of Chapter 17.108 BMC, the development services director or historic preservation review commission, as the case may be, shall consider the proposed demolition, new construction, or alteration in the context of the adopted conservation plan and the architectural or historical value and significance of the site and structure in relation to the overlay district. These considerations shall include the visual relationship of proposed architectural design elements to the surrounding area, including scale, height, rhythm of spacing, pattern of windows and doorways, building siting and relationship to landscaping, roof pitch, architectural style, and structural details, materials, colors, and textures.
C. 
Required Findings. No demolition permit shall be issued for demolition of any historic structure within an H district or for demolition of a designated landmark without prior review and approval by the historic preservation review commission. Demolition permits for nonhistoric structures within the H district may be approved by the development services director. To assist any evaluation by the historic preservation review commission, the development services director shall submit a report and recommendation to the historic preservation review commission.
1. 
For Demolitions.
a. 
If, after review of the request for a demolition permit, the historic preservation review commission determines that the structure itself has historical, architectural or cultural interest or value, the commission may withhold approval for demolition for 180 days (from the date of commission action) or until environmental review is completed, whichever occurs later.
During the 180 days, the historic preservation review commission may direct the development services department to consult with recognized historic preservation organizations and other civic groups, public agencies and interested citizens; make recommendations for acquisition of property by public or private bodies or agencies; explore the possibility of moving one or more structures or other features; and take any other reasonable measures.
At the end of the 180-day period, the demolition permit shall be issued if environmental review determines there will not be a significant impact on the environment and all requirements of this title are met or, if there may be substantial environmental damages, that specific economic, social or other considerations make infeasible the mitigation measures or alternatives identified during environmental review.
b. 
If, after review of the request for a demolition permit, the historic preservation review commission determines that the building or structure has no substantial historical, architectural, or cultural interest or value, a building permit for demolition may be issued.
2. 
For New Construction or Alterations. The director or the commission shall not grant design approval for new construction or alterations unless it finds that the proposed new construction or alteration will be compatible with and help achieve the purposes of the H district.
3. 
For Removal or Alteration of Certain Landscape Materials. The director's or commission's approval shall be required for removal or alteration of landscape materials identified as significant resources by the historic district conservation plan. Removal or alteration of such landscape materials shall require a finding that the proposed removal or alteration will not affect the character of the H district, or that the safety of persons or property requires the removal or alteration. No provisions of this subsection shall be construed as restricting routine maintenance of landscape materials.
D. 
Economic Hardship Waiver. If an applicant for design concept or design approval presents evidence of inability to meet the cost of complying with a condition of approval, the director or the commission may grant the approval with the requirement that all conditions be met within a period of up to five years. If such conditions are not met within five years, the property owner shall be subject to the enforcement provisions of Chapter 17.128 BMC.
E. 
Effective Date – Appeals. Decisions of the director or commission shall be final on the tenth business day after the date of the decision, unless appealed in accordance with Chapter 1.44 BMC.
(Ord. 87-4 N.S., 1987; Ord. 93-1 N.S. § 5, 1993; Ord. 07-59 § 2; Ord. 13-07 § 2; Ord. 20-07 § 3; Ord. 25-09 §§ 3, 4)

§ 17.54.120 Maintenance of structures and premises.

All property owners in H districts and owners of designated landmarks shall have the obligation to maintain structures and premises in good repair. Structures and premises in good repair shall present no material variance in apparent condition from surrounding structures in compliance with the provisions of this chapter. Good repair includes and is defined as the level of maintenance that ensures the continued availability of the structure and premises for a lawfully permitted use, and prevents deterioration, dilapidation, and decay of the exterior portions of the structure and premises.
(Ord. 87-4 N.S., 1987)

§ 17.58.010 Specific purposes.

The specific purposes of the S shoreline protection overlay district are to:
A. 
Conserve and protect natural resources along the city's shoreline;
B. 
Minimize grading and alteration of drainage patterns;
C. 
Protect development from geologic and other shoreline-related hazards;
D. 
Provide maximum public access to and along the shoreline;
E. 
Achieve a visually pleasing and compatible relationship between buildings and structures, parking areas, walkways and planting areas, and the natural environment;
F. 
Provide appropriate standards and criteria for reviewing proposals for new construction, exterior additions and alterations, relocation of buildings, and other development subject to the provisions of this title.
(Ord. 87-4 N.S., 1987)

§ 17.58.020 Applicability and zoning map designator.

The S shoreline protection overlay district may be applied to the unzoned tidal areas or may be combined with any district bordering the city's shoreline. The S district boundaries shall be shown on the zoning map by adding the designator "-S" to the base district designation.
(Ord. 87-4 N.S., 1987)

§ 17.58.030 Land use regulations.

Land use regulations shall be those of the base district with which the S district is combined.
(Ord. 87-4 N.S., 1987)

§ 17.58.040 Development regulations.

Development regulations shall be those of the base district with which the S district is combined unless modified by another overlay district; provided, that the following additional review criteria shall apply and shall govern where conflicts arise:
A. 
All development shall be compatible with the established physical scale of the area and shall not encroach on major view corridors.
B. 
To the extent feasible, trees, vegetation and sensitive wildlife habitats shall be protected, the need for filling the bay or any marshes or mud flats shall be minimized, and no mature trees, as defined by this title, shall be removed.
C. 
All buildings and structures shall be sited and designed to assure stability and structural integrity for their expected economic life span and to minimize alterations to natural landforms. Development within 100 feet of any cliff or bluff line shall follow the recommendations of a geologic report prepared by a registered geologist or engineering geologist and approved by the building official.
D. 
Underground utilities shall be provided unless underground installation would have a substantial adverse impact on the environment.
E. 
Maximum feasible public access to and along the shoreline shall be provided.
A development project that requires planning commission or historic preservation review commission approval shall be reviewed by these commissions for consistency with these criteria. For all other projects, the development services director shall be responsible for reviewing for consistency with these criteria prior to issuing a zoning permit.
(Ord. 87-4 N.S., 1987; Ord. 13-07 § 2; Ord. 25-09 § 4)

§ 17.58.050 Guarantees of public access.

Approval of permits for development within the S district shall require guarantees of public access as prescribed by this section. Nothing in this section shall constitute a waiver of possible historic rights to public use at the site of an access guarantee.
A. 
Access Requirements. Prior to any discretionary approval or the issuance of a zoning permit for the following developments, the access provisions required by this section shall be found legally sufficient:
1. 
Development on a parcel shown on the Benicia general plan parks and recreation map or on the Benicia waterfront plan as the site of a principal pathway, an accessway or a trail segment;
2. 
Development on a parcel on which a lateral accessway extending 25 feet inland from mean high tide or to the toe of the bluff would be reachable or potentially reachable by a required vertical or lateral accessway, as determined by the development services director. Lateral accessways shall be required where they would be accessible from a vertical accessway on a site that is developed or would be developed with visitor-serving commercial facilities;
3. 
A subdivision between the first public road and Southampton Bay, Suisun Bay, or the Carquinez Strait;
4. 
A visitor-serving commercial facility between the first public road and the bay or strait.
B. 
Legal Instruments Required. Prior to approval of a final subdivision map or issuance of a zoning permit or a use permit, the applicant for development on a parcel on which access is required shall record one or a combination of the following documents as specified in the conditions of approval or shall pay an in-lieu fee.
1. 
Offer of Dedication. The applicant shall submit a preliminary title report and shall record an irrevocable offer to improve and to dedicate the required accessway to the city as an easement or fee interest free of prior liens and encumbrances. The offer shall be valid for 20 years. Institutions or individuals holding an encumbrance on the property shall execute agreements subordinating their claims to the offer. Title insurance may be required when deemed necessary by the development services director to ensure that the offer is an enforceable option.
2. 
Outright Grant of Fee Interest or Easement. If the city is willing to accept the offer made in subsection (B)(1) of this section, a grant of an easement or fee title shall be required.
3. 
Deed Restrictions. Deed restrictions specifying accessway maintenance, improvements, and conditions of public use may be recorded in lieu of an offer of dedication.
4. 
Offer to Sell at Appraised Value. Where a designated accessway on a single parcel requires parking or other land area in addition to land required for vertical and lateral accessways and the excess land required consists of more than two percent of the total remaining parcel area between the first public road and the bay or strait, only the land required for vertical and lateral accessways shall be required to be improved and offered for dedication without financial consideration. The designated remaining land area shall be offered at the appraised value as of the date of approval of the permit with the offer to remain open for 20 years, at interest equal to the prevailing mortgage rate for similarly situated land.
5. 
In-Lieu Fee Payments Required. As a condition of approval of a final subdivision map or zoning or use permit on a parcel between the first public road and the bay or strait, or in a subdivision containing parcels between the first public road and the bay or strait where no access is required on that site by the general plan or the waterfront plan, an in-lieu fee shall be paid. The amount to be paid shall be determined by a schedule adopted by the city council by resolution. In-lieu fees shall be paid to the Benicia coastal access fund to be used for a specific public project identified in a coastal access program adopted pursuant to subsection (D) of this section. Fees collected shall be committed within five years after payment thereof.
C. 
Procedure. All discretionary approvals and zoning or use permits subject to conditions of approval pertaining to public access and open space or conservation easements shall be subject to the following procedures:
The city attorney shall review and approve all legal documents specified in the conditions of approval of a zoning or use permit for public access and conservation/open space easements.
1. 
Prior to a discretionary approval or issuance of a zoning or use permit, the development services director shall forward a copy of the permit application, findings of approval and copies of the legal documents to the city attorney for review and approval of the legal adequacy and consistency with the requirements of the city.
2. 
The city attorney shall have 30 days in which to complete the review and notify the development services director and the applicant of recommended revisions, if any.
3. 
The development services director or planning commission may approve the permit upon expiration of the 30-day period if notification of inadequacy has not been received from the city attorney within that time period.
4. 
If the city attorney has recommended revisions to the permit, the permit shall not be issued until the deficiencies have been resolved to the satisfaction of the city attorney.
D. 
Coastal Access Program. The city council, upon recommendation by the planning commission, may adopt a coastal access program, pursuant to this section, to be used as a guideline for review of development proposals that are required or proposed to include accessways.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.58.060 Development plan review.

Plans within the S shoreline district shall be accepted for development plan review only if they comply with the review criteria and requirements of this chapter and with all other applicable requirements of this code.
(Ord. 87-4 N.S., 1987)

§ 17.62.010 Specific purposes.

The NC neighborhood conservation overlay district is intended for property owners to initiate and implement programs for the revitalization or conservation of older areas or districts possessing distinctive features, identity, or character worthy of retention and enhancement. The NC district takes effect through adoption of a plan and a set of regulations that will facilitate maintenance and upgrading of the neighborhood and development of vacant or underused lots while reducing or eliminating incompatible mixes of uses.
(Ord. 87-4 N.S., 1987)

§ 17.62.020 Area requirements.

Each NC overlay district shall include a minimum contiguous area of four acres, including intervening streets and alleys, and shall contain at least three separate parcels.
(Ord. 87-4 N.S., 1987)

§ 17.62.030 Application for designation.

A. 
Owners of 51 percent or more of the land in an area meeting the area requirements of BMC § 17.62.020 and one or more of the criteria of BMC § 17.62.040(C) may file an application with the city for the designation of the area as an NC neighborhood conservation overlay district. The application may include lots within one or more base zoning districts.
B. 
The application shall include the following:
1. 
A statement of purpose and explanation of how the criteria of BMC § 17.62.040(C) are met;
2. 
A map indicating the boundaries of all lots in the proposed NC neighborhood conservation overlay district and the base district(s) contained within the proposed NC district;
3. 
A neighborhood conservation plan consisting of a map and such other textual and graphic material as may be necessary, indicating land uses, building types and designs, site development regulations, signing, circulation, off-street parking, and modifications in base district regulations.
(Ord. 87-4 N.S., 1987)

§ 17.62.040 Adoption of district.

A. 
The planning commission shall hold a duly noticed public hearing on the application in accord with the provisions of Chapter 17.120 BMC. Following the hearing, the commission may approve the neighborhood conservation plan if it implements the purposes for which designation of the NC district is proposed, and shall transmit the application and the approved plan to the council.
B. 
The city council shall hold a hearing as provided by BMC § 17.120.070 on any application and plan transmitted to it by the planning commission.
C. 
Following the hearing, the city council may adopt an NC neighborhood conservation overlay district for the area described in the application if the area meets one or more of the following criteria:
1. 
Distinctive building features, such as period of construction, style, size, scale, rhythm, mass, color and material;
2. 
Distinctive features or articles associated with the streetscape, such as light fixtures and devices, signs, benches, curb markers, kiosks, and bollards;
3. 
Distinctive site planning and natural features, such as lot platting, street layout, setbacks, alleyways, sidewalks, creek beds, parks, and gardens;
4. 
Distinctive land uses or land use patterns, such as mixed or unique uses or activities, not permitted by base district regulations without modification.
D. 
The city council shall adopt each neighborhood conservation overlay district by ordinance pursuant to Chapter 17.120 BMC. The adopting ordinance shall include a reference to the approved neighborhood conservation plan for the district, a statement of purposes, and a list of the modifications to the base district regulations.
(Ord. 87-4 N.S., 1987)

§ 17.62.050 Zoning map designator.

Each NC neighborhood conservation overlay district shall be shown on the zoning map by an "-NC" designator applied to the base district designations, numbered and identified sequentially by order of enactment and referenced to the enacting ordinance.
(Ord. 87-4 N.S., 1987)

§ 17.62.060 Building permits.

Building permits approved in an NC neighborhood conservation overlay district shall be consistent with the adopted NC district ordinance and the approved neighborhood conservation plan.
(Ord. 87-4 N.S., 1987)

§ 17.64.010 Purposes.

A. 
Accommodate housing in infill locations and at densities that are consistent with the general plan; and
B. 
Provide appropriate standards and criteria for reviewing proposals for new construction and other development subject to the provisions of this title.
(Ord. 23-03 § 4)

§ 17.64.020 Applicability and zoning map designator.

A. 
Applicability. This housing opportunity sites overlay district shall apply to any parcel that is identified on the housing opportunity sites inventory of the adopted 2023-2031 housing element of the Benicia general plan and is located in a single-family residential (RS), medium density residential (RM), high density residential (RH), public and semipublic (PS), community commercial (CC) or office commercial (CO) district, or in a zone of the downtown mixed use master plan.
B. 
Designation. Any site contained in the housing opportunity sites overlay district shall be indicated by the -HOS designation.
C. 
Limited Application. The regulations of this chapter shall be applicable to site development involving the residential land uses specified by BMC § 17.64.030.
(Ord. 23-03 § 4)

§ 17.64.030 Land use regulations.

A. 
Allowed uses are those that are permitted or conditionally permitted in the base zoning district. In addition, the following residential uses are permitted:
P – Permitted
U – Use Permit
Residential Use
Group Residential
P
Multifamily Residential
P
Supportive Housing
P
Transitional Housing
P
B. 
Residential use shall be permitted on the ground floor if compliant with the provisions of this chapter.
C. 
For C and PS districts, and in the town core (TC) zone of the downtown mixed use master plan, the following apply:
1. 
In a C or PS district, a permitted or conditionally permitted public and semipublic or commercial use of at least 1,000 square feet gross floor area shall be provided as a ground floor use within the same structure (vertical mixed use) or separate structure (horizontal mixed use). An existing, occupied nonresidential structure (e.g., an office or retail store) may be deemed to meet this requirement if the structure would not be altered or demolished to accommodate the residential site development, regardless of whether the structure is at least 1,000 square feet. Such nonresidential use may be located on site or on a contiguous parcel under the same ownership.
2. 
In the TC zone, a permitted or conditionally permitted nonresidential use must be provided along the entire ground floor frontage of First Street to a minimum depth of 50 feet as measured perpendicular from the front facade adjoining First Street.
3. 
The ground floor of a new nonresidential use must be accessible from and adjoin the front or corner side yard of the parcel on which it is located.
4. 
A new nonresidential use as required herein shall receive approval of final occupancy prior to, or concurrently with, the residential occupancy.
(Ord. 23-03 § 4)

§ 17.64.040 Development regulations.

A. 
Development regulations shall be those specified in the base district, except as modified by the following standards.
Standard
Additional Regulation
Site Area Per Unit (sq. ft.)
1,452
(1)
Maximum Height (ft)
35
(2)
Maximum Height (stories)
3
Maximum Coverage
45%
(3)
1. 
For a parcel legally existing as of January 1, 2023, four multifamily dwelling units are permitted on the parcel regardless of the parcel size; provided, that the project complies with all other applicable standards.
2. 
The maximum permitted height in the town core district shall be 40 feet.
3. 
Single-family residential district only.
B. 
In the PS district, minimum required yards shall be as specified.
Minimum Yard
Distance from Property Line (ft.)
Front
15
Side
5
Corner Side
10
Rear
15
C. 
The front yard for any parcel in an R or C district may be reduced to the average setback of the blockface, where lots comprising 40 percent of the frontage on a blockface are improved with buildings. The average setback of the blockface is determined by calculating the front yard depths for existing structures (excluding detached garages or carports) on each developed site on the blockface.
D. 
Where a standard of this overlay district is in conflict with the base zoning regulations of the zoning ordinance or downtown mixed use master plan form based code, the standard that is more permissive of housing production shall prevail.
(Ord. 23-03 § 4)

§ 17.64.050 Design standards.

A. 
Objective Planning Standards. Any housing proposed in this overlay district shall comply with the city of Benicia's objective planning and design standards for mixed use residential and multifamily development pursuant to BMC § 17.90.070.
B. 
Projects in an R, C, or PS district shall comply with the following:
1. 
Upper Story Massing. A third story must be stepped back from the primary street at least 10 feet for a minimum of 35 percent of the facade length. Recessed area may be used as a balcony, terrace, or other usable open space.
2. 
Balconies. A balcony above the ground floor shall not project more than three feet from any exterior building wall that faces the side yard of an adjacent residential use.
(Ord. 23-03 § 4; Ord. 25-12 § 12)

§ 17.64.060 Development plan review.

A. 
Design review shall be required for any residential development proposed pursuant to this chapter and shall be conducted as specified in Chapter 17.108 BMC; provided, however, that all procedures, conditions of approval, and decisions shall be made in a manner consistent with the requirements of the Housing Accountability Act (Government Code Section 65589.5).
B. 
Residential use shall be allowed by right for housing development projects on vacant sites designated in two consecutive prior housing elements and nonvacant sites designated in one prior housing element, as described in Chapter III Sites Inventory and shown in Appendix D, Table A of the adopted 2023-2031 Housing Element, pursuant to Government Code Section 65583.2(i) where at least 20 percent of units are provided as affordable to extremely lower income households.
(Ord. 23-03 § 4)

§ 17.66.010 Specific purpose and applicability.

In addition to the general purposes listed in Chapter 17.04 BMC, the specific purpose of the IS interim study overlay district is to allow discretionary review of development proposals in areas where changes in zoning regulations are contemplated or under study.
(Ord. 87-4 N.S., 1987)

§ 17.66.020 Zoning map designator.

It may be initiated as prescribed by Chapter 17.120 BMC. Prior to approving an amendment reclassifying land to an IS district, the planning commission and city council shall approve a study plan that identifies regulatory problems and states land use and development issues to be resolved for the area proposed for reclassification. The IS district may be combined with any base district. Each IS district shall be shown on the zoning map with an "-IS" designator, numbered and identified sequentially by order of enactment and reference to the enacting ordinance.
(Ord. 87-4 N.S., 1987)

§ 17.66.030 Land use regulations.

A. 
Use Permit Required. Approval of a use permit shall be required for establishment of a new or expanded use in an IS district, and may be approved for any use classification permitted or conditionally permitted in the base district with which the IS district is combined.
B. 
Required Findings. In addition to the findings required for use permits by Chapter 17.104 BMC and additional findings that may be required for specific use classifications, approval of a use permit in the IS district shall require a finding that the proposed use will not conflict with the land use and development policies established for the area at the time the IS district was adopted.
(Ord. 87-4 N.S., 1987)

§ 17.66.040 Development regulations.

Development regulations for the IS district shall be specified by a use permit or shall be those of the base district with which the IS district is combined.
(Ord. 87-4 N.S., 1987)

§ 17.66.050 Expiration of IS district ordinance – Renewal.

An ordinance establishing an IS district shall contain a provision terminating the IS designation one or two years from its effective date. An ordinance establishing an IS district may be amended, reenacted, or superseded by a zoning map amendment adopted as prescribed by Chapter 17.120 BMC.
(Ord. 87-4 N.S., 1987)

§ 17.66.060 Resubmittal of development proposals.

Notwithstanding the provisions of Chapter 17.104 BMC, a use permit application that has been denied, or approved subject to conditions unacceptable to the applicant, may be resubmitted on or after the effective date of zoning map or regulation amendments superseding an IS district designation.
(Ord. 87-4 N.S., 1987)

§ 17.68.010 Specific purposes.

In addition to the general purposes listed in Chapter 17.04 BMC, the specific purposes of the MP master plan overlay district are to:
A. 
Ensure orderly planning for the development of large, unsubdivided areas of the city consistent with the general plan;
B. 
Maintain an environmental equilibrium consistent with existing vegetation, soils, geology, topography, and drainage patterns;
C. 
Avoid premature or inappropriate development that would result in incompatible uses or create public service demands exceeding the capacity of existing or planned facilities;
D. 
Encourage sensitive site planning and design.
(Ord. 87-4 N.S., 1987)

§ 17.68.020 Applicability and zoning map designator.

The MP master plan overlay district may be combined with any base district and applied to an area at least 40 acres in size. It must be applied to any new industrial or business park developments on properties under common or single ownership which aggregate to 40 or more acres. It may be initiated by the city council or the planning commission or by a petition of property owners under the procedures established by Chapter 17.120 BMC, Amendments. Each MP master plan overlay district shall be shown on the zoning map by adding an "-MP" designator to the base district designation, and a master plan shall be required for all development, consistent with the provisions of BMC § 17.68.060.
(Ord. 87-4 N.S., 1987; Ord. 01-6 N.S., 2001)

§ 17.68.030 Land use regulations.

Land use regulations shall be those of the base district with which the MP district is combined unless modified by another overlay district; provided, that no new or expanded use requiring a use permit may be approved unless a master plan has been approved.
(Ord. 87-4 N.S., 1987)

§ 17.68.040 Development regulations.

Development regulations shall be those of the base district with which an MP district is combined, unless modified by another overlay district or an approved master plan. If an HD hillside overlay district has been applied to any property under an MP district, the development regulations of BMC § 17.50.040 shall apply and residential density shall be calculated by the slope/density formula of BMC § 17.50.050.
(Ord. 87-4 N.S., 1987)

§ 17.68.050 Initiation.

An application to approve a master plan shall be initiated by a property owner or authorized agent. If the property is not under a single ownership, all owners shall join the application, and a map showing the extent of ownership shall be submitted with the application.
(Ord. 87-4 N.S., 1987)

§ 17.68.060 Required plan and materials.

Each master plan shall set forth for a specific area of land a land use and circulation system concept that is consistent with the goals and policies of the general plan, compatible with the environment, and capable of being served by existing and planned public facilities and utilities.
A. 
The following plans and materials shall be submitted; provided, that the development services director may waive submission of items deemed unnecessary:
1. 
A map showing proposed master plan boundaries and the relationship of the area to uses and structures within a 300-foot radius of the plan area boundaries;
2. 
A map of the master plan area showing sufficient topographical data to indicate clearly the character of the terrain and the type, location, and condition of mature trees and other natural vegetation;
3. 
A site plan indicating the existing and proposed uses, gross floor area, lot coverage, height, parking and density, and a circulation plan; and
4. 
A preliminary development schedule indicating sequence and timing of development.
B. 
Guidelines for the physical development of the property, including illustrations of proposed architectural, urban design, and landscape concepts shall be submitted.
C. 
On slopes over 10 percent, single line sections showing the relationship of the building to the topography.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.68.070 Minimum lot size – Maximum number of dwelling units.

The planning commission or development services director, as the case may be, may approve a master plan including lots smaller than those required by the base district, but shall not approve a total number of dwelling units on a parcel or in a subdivision greater than permitted by the slope/density formula established in BMC § 17.50.050. Restrictions on the number of dwelling units permitted shall be recorded with a subdivision map or prior to issuance of a zoning permit.
(Ord. 87-4 N.S., 1987; Ord. 25-09 § 4)

§ 17.68.080 Approval of a master plan.

A. 
General Procedures. An application for approval of a master plan shall be processed as a zoning map amendment in accord with the provisions of Chapter 17.120 BMC.
B. 
Required Findings. In addition to the findings required by Chapter 17.120 BMC, the planning commission and the city council shall find that the proposed master plan:
1. 
Conforms to the general plan;
2. 
Substantially complies with the land use and development regulations of the base zoning district and does not significantly alter the regulations; and
3. 
Can be adequately, reasonably and conveniently served by public services, utilities and public facilities.
C. 
Amended Zoning Map Designator. Adopted master plans shall be indicated on the zoning map by adding a number to the "-MP" designator based on order of adoption and reference to the ordinance approving the plan.
(Ord. 87-4 N.S., 1987)

§ 17.68.090 Amendments to adopted master plan.

Procedures for an amendment to an adopted master plan shall be initiated in the same manner as an application for a zoning map amendment prescribed by Chapter 17.120 BMC.
(Ord. 87-4 N.S., 1987)

§ 17.68.100 Expiration and renewal – Changed plans.

A. 
Expiration. A master plan shall become void two years following the date of approval unless actions specified in the conditions of approval have been taken or unless the original approval was for a stated period longer than two years.
B. 
Renewal. An approved master plan may be renewed for a period approved by the planning commission after a duly noticed public hearing. Application for renewal shall be made in writing between 30 and 60 days prior to lapse of the original approval.
C. 
Changed Plans. A request for change in conditions of approval or boundaries of a master plan shall be treated as a new application for a zoning map amendment.
(Ord. 87-4 N.S., 1987)

§ 17.68.110 Development plan review.

Plans for a project requiring a master plan shall be accepted for development plan review only if they are consistent with an approved master plan and with all other applicable requirements of this code.
(Ord. 87-4 N.S., 1987)