Chapter 19.10 — RESIDENTIAL DISTRICTS

(A) Purpose. The purpose for establishing these residential districts, permitted uses, and development standards is to:

(1) Provide appropriately located areas for residential development consistent with the general plan and with standards of public health and safety established by the municipal code;

(2) Ensure adequate light, air, privacy, and open space for each dwelling by establishing reasonable development standards for the mass, scale, and location on a building site for all new residential construction;

(3) Achieve a high standard of site and building design, and design compatibility with surrounding neighborhoods;

(4) Provide for a range of permitted uses and activities within the various residential districts; and

(5) Provide sites for public and semipublic land uses needed to complement residential development or requiring location in a residential environment.

(B) Intent. The intent of this chapter is to establish a range of permitted uses and reasonable development standards to guide the orderly development within each residential district in a manner consistent with the general plan's land use schedule and subarea schedule.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

In order to provide sufficient land to meet the housing needs of all existing and future residents of the city, the following residential districts are established:

(A) RE (residential estate) districts: to provide for residential estate areas where the minimum lot size is one acre.

(B) RR (rural residential) districts: to provide for very low-density residential uses and related activities in existing or proposed large-lot residential neighborhoods, and in the peripheral foothill areas of the city. There are three separate RR districts:

(1) RRH (rural residential hillside) districts: requires a minimum lot size of twenty thousand square feet and imposes special development standards.

(2) The RR-20000 district requires a minimum lot size of twenty thousand square feet.

• (3) The RR-10000 district requires a minimum lot size of ten thousand square feet.

(C) RS (suburban residential) districts: to provide for low-density residential uses and related activities in areas of the city

predominated by subdivisions with single-family lot patterns. There are two separate RS districts:

• (1) The RS-8000 district with a minimum lot size of eight thousand square feet.

• (2) The RS-6500 district with a minimum lot size of six thousand five hundred square feet.

(D) RM (medium residential) districts: to accommodate multifamily residential uses in areas of minimal constraints and ready access to transportation and services, with single-family uses allowed under some circumstances in conformance with the general plan. Development in the RM district shall be within the range of five to twelve units per gross acre.

(E) RH (high residential) districts to provide for high-density multifamily residential uses in areas of minimal constraints and ready access to transportation and services, and to provide a range of housing opportunities. There are two separate RH districts:

• (1) The RH-1 district with a density range of twelve to sixteen units per gross acre.

• (2) The RH-2 district with a density of twenty units per gross acre.

(F) RO (residential overlay) district to provide for high-density multifamily residential uses on selected sites in community commercial and neighborhood commercial districts, in single or multi-use structures. The RO district provides a density of twenty units per gross acre west of Broadway/Highway 29, a density of thirty-five units per gross acre east of Broadway/Highway 29. Development standards shall comply with Tables 1 and 2 of Chapter 19.11, community commercial and neighborhood commercial district for multifamily residential and mixed-use structures.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001; Ord. 2001-11 § 1, 2001; Ord. 2006-07 § 4, 2006; Ord. 2015-01 § 2, 2015.)

The provisions of this chapter shall apply to all uses within the residential districts as shown on the official zoning district map of the city. Development within the residential districts shall conform with all applicable development standards, regulations, and performance standards of this title.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Table 19.10.040 of this section sets forth the permitted and conditionally permitted uses for each residential district. A "P" designates a permitted use. A "C" indicates a conditionally permitted use subject to approval of a use permit by the planning

commission. An "M" indicates a minor use permit is required pursuant to Chapter 19.42. If no letter is found opposite a

particular use, it is not permitted in that district.

Table 19.10.040

PERMITTED AND CONDITIONALLY PERMITTED USES RESIDENTIAL DISTRICTS[1]

1 Permitted and conditionally permitted uses on parcels located within a designated Napa County Airport compatibility zone may be restricted or prohibited subject to the requirements of the policies related to airport compatibility in the American Canyon general plan and the Napa County Airport land use compatibility plan. Restrictions may include the requirement for recordation of overflight or avigation easements.

(Ord. No. 2024-04 Section 2; Ord. No. 2024-01; Ord. 2001-02 § 1, 2001; Ord. 2001-11 § 1, 2001; Ord. 2005-02, 2005; Ord. 2009-11 § 3, 2009; Ord. 200912 § 3, 2009; Ord. 2010-02 § 4, 2010; Ord. 2010-03 § 3, 2010; Ord. 2013-07 § 3, 2013; Ord. 2014-06 § 3, 2014; Ord. 2015-01 § 2, 2015; Ord. 2017-07 § 2, 2017; Ord. 2018-05 § 2, 2018; Ord. 2018-06 § 6, 2018; Ord. 2020-04 § 2, 2020.)

Table 19.10.050 of this section sets forth the minimum lot area, minimum yard setbacks, and lot coverage standards for each residential district. The provisions of this section shall establish the minimum lot area and yard and setback standards for each residential zoning district.

(A) Minimum Lot Area. Except as otherwise provided by this chapter, the minimum lot area shall be determined by multiplying the lot width by the lot depth. The lot width shall be the horizontal distance between the side property lines measured at right angles to the depth at a point midway between the front and rear property lines. The lot depth shall be the horizontal distance between the front and rear property lines of a site measured along a line midway between the side property lines.

(1) Flag Lots.

(a) The area of a flag lot's access corridor shall not be included in determining the site area of the lot (see Figure A-

2).

(b) The corridor of land which provides access to a street for a flag lot shall have a minimum street frontage of sixteen feet and a minimum width which is less than the required lot width but not less than sixteen feet (see Figure A-2).

(2) Width of Residential Corner Lots. The minimum width of corner lots in a residential district shall be a minimum of ten percent greater than the minimum width for the district specified in Table 19.10.050 of this chapter.

(3) Depth Adjoining State Highway or Railroad. A lot whose rear lot line abuts a state highway or railroad right-ofway shall have a minimum depth that is at least twenty percent greater than the lot depth standard for the applicable zoning district.

(4) Minimum Lot Frontage on a Cul-de-Sac. Unless otherwise approved by the city council in conjunction with the approval of a subdivision map, all lots in the bulb of a cul-de-sac shall have a minimum width or street frontage at the property line of forty feet.

(B) General Yard Provisions. Except as otherwise provided by this chapter and specific district regulations, the provisions of this section apply to the placement of principal structures. The location of accessory buildings, equipment, and uses and the required separation between primary buildings is addressed elsewhere in this chapter.

(1) Point of Measurement. Except as otherwise provided, required yards shall be measured as the minimum horizontal distance from the appropriate front, side, or rear property line or street/alley right-of-way line of the site to a line parallel thereto on the site (see Figure A-1).

(2) Partially-Improved Streets. Where a site abuts a street having only a portion of its required width dedicated or reserved for street purposes, site area and required yards shall be measured from a line drawn on the boundary of the additional width required for street purposes abutting the site.

(3) Irregularly-Shaped Lots. On corner lots, through lots, lots with three or more frontages, flag lots, and irregularlyshaped lots where the provisions of this chapter do not clearly establish the location of yards and lot lines, the community development director shall make such determination, using the provisions of this chapter for guidance.

(C) Projections into Yards. Projections are permitted into yards required for principal buildings as follows, subject to the provisions of the Uniform Building Code:

(1) Eaves and cantilevered roofs may project up to two and one-half feet, provided:

• (a) That such eaves or cantilevered roofs are not closer than two and one-half feet to any lot or street line.

• (b) That no portions of such eaves or cantilevered roofs are less than eight feet above grade.

(c) That there are no vertical supports or members within the required yard (see Figure A-4).

• (2) Fireplace structures, buttresses, and wing walls may project up to two and one-half feet, provided:

  • (a) That a minimum five feet is provided on the side yard where front yard access is provided.

  • (b) That such structures shall not be utilized to provide closets or otherwise increase usable floor area.

(c) That such fireplace structures are not wider than six feet measured in the general direction of the wall of which it is a part (see Figure A-5).

• (3) Bay and greenhouse windows may project up to two and one-half feet, provided:

  • (a) That such windows are not closer than two and one-half feet to any lot or street line.

  • (b) That there are no vertical supports or members within the required yard.

(4) Uncovered porches, platforms, landings, and decks, including access stairs thereto may project up to three feet into required interior side yards, and up to five feet into required front, rear, and corner side yards, provided:

• (a) That such projections shall not be closer than two feet to any lot or street line;

(b) That such projections are open and unenclosed; provided, however, that an openwork railing not to exceed three and one-half feet in height may be installed;

• (c) That such projections do not exceed any average height of one foot;

• (d) That such projections do not extend above the level of the first floor.

(5) Awnings and canopies may project up to two and one-half feet into required interior side yards and five feet into required front, rear, and corner side yards, provided:

• (a) That such awnings or canopies are not closer than two and one-half feet to any lot or street line;

• (b) That such awnings or canopies have no vertical support within such yard;

(c) That such awnings or canopies extend only over the windows or doors to be protected, and for not more than one foot on either side thereof.

(6) Covered patios attached to a dwelling unit may project into a required rear yard, provided:

• (a) That such patio is not closer than five feet to any lot line;

(b) That such patio shall remain permanently unenclosed on at least two sides. This provision, however, shall not preclude the placement of detachable screens;

(c) A freestanding patio shall be subject to the same requirements as accessory buildings in rear yards as provided by Section 19.10.060.

(7) Rain conductors, downspouts, utility-service risers, shutoff valves, sills, capitals, bases, cornices, and belt courses may project up to one foot into a required yard.

(8) Water heaters, water softeners, and utility meters, including service conduits and pipes, enclosed or unenclosed may project up to two and one-half feet into a required interior side or rear yard, provided that such structures or equipment are not closer than two and one-half feet to any lot line. Gas meters, if enclosed or adequately screened from view by a structure permitted in the yard, may project up to two and one-half feet into a required front or corner side yard.

(9) Wall and window-mounted air conditioners, coolers, and fans may project into any required yard, provided that such equipment is not closer than two and one-half feet to any lot line.

(D) Maximum Building Coverage. The maximum building coverage allowed in each residential district is the percentage of the building site covered by all primary and accessory structures on the site, measured horizontally to the outside face of exterior walls or structural members. Open decks and balconies and open breezeways connecting two buildings are not included in lot coverage.

Table 19.10.050

SCHEDULE OF RESIDENTIAL DISTRICT REGULATIONS

(1) Applies only to the new parcels created after the effective date of the zoning code.

• (E) Special Development Requirements for the RRH zoning district:

(1) Subdivisions in the RRH Zoning District shall be subject to the following standards:

(a) Residential lots shall vary significantly in size in order to create the openness and variation characteristic of a rural neighborhood. No more than two contiguous lots shall be of the same size. Lot size variations shall be achieved by varying lot area/lot widths. Parcel size variations on contiguous lots of one acre or less shall vary up or down a minimum of twenty-five percent in size. Contiguous lots larger than one acre shall vary up or down in size by ten percent.

(b) The subdivision design shall ensure protection of designated viewsheds from Newell Drive to the highest ridgeline located to the east of the project.

(c) Each residential lot will identify a maximum building height that will enable other homes with sufficient elevation to achieve a view toward the Napa River wetlands. Technical information that enables identification of a maximum building height will include but not be limited to: lot placement within the subdivision, building envelope placement, and grading. The maximum building height will be recorded in the project CC&Rs (Covenants, Codes and Restrictions).

(d) Design guidelines addressing architecture for individual homes shall be prepared and submitted to the city of American Canyon, concurrently with submittal of a tentative subdivision map, master plan or specific plan. The design guidelines must be consistent with the General Plan Land Use Element Design Principles (Policy 1.11.5).

(e) Native landscaping shall be provided in the Newell Drive setback area. The preliminary and final landscape improvement plans for this common area open space shall include clusters of native shrubs and trees to enhance the privacy and soften the visual form of future homes as viewed from public areas such as Newell Drive. Such landscape improvements shall be approved by the city and maintained by the subdivision's homeowner's association.

(f) Streets within the RRH district may make use of a reduced overall paved width of not less than thirty feet, subject to approval of a design exception to be considered concurrently with the approval of a tentative subdivision map.

(2) Residential Building Permit Requirements.

(a) To determine potential impacts to viewsheds and neighboring properties, the applicant shall install story poles to provide a three-dimensional, full-scale, silhouette structure that outlines the location, bulk and mass that a proposed structure will occupy on a site prior to submittal of a building permit for any structure on a residential parcel.

(b) Prior to submittal of a building permit for any structure or group of structures, the applicant shall submit written documentation from the applicable homeowner's association that the application complies with the design guidelines in the recorded CC&Rs.

(c) An active homeowner's association shall be set up to ensure maintenance of private infrastructure and administer enforcement of neighborhood CC&Rs.

• (F) Special Development Requirements for the RE Zoning District on Watson Lane and Paoli Loop:

(1) Proposed subdivisions that create additional residential lots within the RE Zoning District on Watson Lane and Paoli Loop shall be subject to review by the Napa Airport Land Use Commission prior to final action by the City of American Canyon.

• (2) This Special Development Requirement shall not apply to any of the following situations:

  • (a) Subdivisions that do not create additional residential lots (i.e.: Lot Line Adjustment).

  • (b) Properties on Watson Lane or Paoli Loop without RE zoning.

  • (c) Residential development pursuant to State Law (i.e.: SB9).

(d) Properties on Watson Lane or Paoli Loop that are not located in Napa Airport Land Use Compatibility Zone "D."

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001; Ord. 2001-11 § 1, 2001; Ord. 2004-10 Exh. 1, 2004; Ord. 2015-01 § 2, 2015.)

Cross References

Section 19.10.090(A) Section 19.39.050(E)

Accessory structures, equipment and uses are permitted in required yards of residential districts as provided herein:

• (A) Accessory Structures.

(1) Accessory structures may be located no closer than three feet to the side and rear yards required for the primary structure, provided that in the aggregate, no more than fifty percent of the required rear yard area shall be covered by accessory structures. Accessory structures are permitted only on lots having a primary dwelling.

(2) On a reversed corner lot, an accessory structure shall not be located closer to the rear property line than the required side yard on the adjoining key lot, and not closer to the side property line adjoining the street than the required

front yard on the adjoining key lot.

(3) Maximum height of an accessory structure shall be fifteen feet.

(4) Steel shipping containers may not be located in any residential district unless it is not visible from any public property or right-of-way.

(B) Planters. Planter boxes and masonry planters are permitted in all required yards not to exceed a height of three and one-half feet.

(C) Swimming Pools. A swimming pool is permitted in a required rear or side yard provided it is not closer than five feet to any lot line.

• (D) Swimming Pool Equipment and Safety Fences.

(1) Swimming pool or spa equipment vaults may be located in a side yard so long as a minimum clear distance is provided between the vault and a fence, wall, or other structure of three feet.

(2) Swimming pool or spa equipment vaults may be located adjacent to a rear property line within a required side

yard.

(3) Required safety fences for swimming pools and spas six feet in height or less may be located within any required side or rear yard.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Cross References Section 19.10.050(C)(6)(c)

The provisions of this section shall apply where more than one building is placed on a parcel in a residential district.

(A) Distance Between Main Buildings. A minimum distance of ten feet shall be maintained between all primary residential buildings established on the same lot or parcel of land.

(B) Distance Between Accessory and Primary Buildings. Except where a greater distance is otherwise required by this chapter, a minimum distance of six feet shall be required between any primary residential building and an accessory building established on the same lot or parcel of land.

(C) Projections Between Buildings. The following projections are permitted within the required distance between buildings, provided they are developed subject to the same standards as, and not closer to a line midway between such

buildings, than is permitted in relation to a side lot line within a required interior side yard:

• (1) Eaves and cantilevered roofs;

• (2) Fireplace structures, buttresses, and wing walls;

• (3) Rain conductors and spouts, water tables, sills, capitals, cornices, and belt courses;

• (4) Awnings and canopies;

• (5) Water heaters, water softeners, gas or electric meters, including service conductors and pipes;

• (6) Stairways and balconies above the level of the first floor;

(7) Uncovered porches, platforms, landings, and decks, including access stairs thereto, which do not extend above the first floor are permitted within the required distance between buildings without distance restriction.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Fences and walls in residential districts may be erected and maintained in required yards subject to the standards specified herein. All height limitations applying to fences and walls shall also apply to hedges planted within yards and forming a barrier serving the same purpose as a fence or wall.

• (A) Location in Yards.

(1) Front Yards. Fences and walls within a required front yard shall not exceed a height of forty-two inches.

• (2) Corner Side Yards.

(a) Fences and walls within a required corner side yard shall not exceed three and one-half feet in height where closer than ten feet to the street line, nor exceed six feet in height where ten feet or more from the street line, notwithstanding the provisions of the following subsection related to vision clearance.

(b) On a corner lot, no fence, wall, hedge, or other artificial obstruction within a triangular area formed by the street property lines and a line connecting points on the street property lines equal to the front setback (for the applicable zone district but no less than twenty feet) from the street intersection shall exceed a height of three feet above established grade at the edge of the existing or proposed pavement, provided that trees pruned to eight feet above street grade shall be permitted (see Figure A-6).

(c) Interior Side and Rear Yards. Fences and walls within a required interior side or rear yard shall not exceed six feet in height. When not within required setbacks, maximum fence height shall be ten feet.

(3) Lots of Twenty Thousand Square Feet or More. On lots of twenty thousand square feet or more, a six-foot high, fifty percent see-through fence (when viewed at a forty-five degree angle) may be located within the required front yard setback, if the wall/fence is located within the property line of the subject parcel. If gated, gates for vehicles must be set back a minimum of twenty feet from the property line.

(B) Retaining Walls.

(1) Retaining walls not exceeding six feet in height are permitted in all yards.

(2) Where a retaining wall protects a cut below the natural grade and is located on a front, side, or rear lot line, such retaining wall may be topped by a fence or wall of the same height that would otherwise be permitted at the location if no retaining wall existed. Where such retaining wall contains a fill, the height of the retaining wall built to retain the fill shall be considered as contributing to the permissible height of a fence or wall; providing, however, that in any event an open-work non-view-obscuring fence of three and one-half feet may be erected at the top of the retaining wall for safety.

(3) Where a wall or fence is located in a required yard adjacent to a retaining wall containing a fill, such wall or fence shall be set back from the retaining wall a distance of one foot for each foot in height, to up to five feet; provided, however, that this does not permit a wall or fence in required yards higher than permitted by this section. The area between such wall or fence and the retaining wall shall be landscaped and continuously maintained in an orderly, neat fashion.

ntaining a fill, such wall or fence shall be set back from the retaining wall a distance of one foot for each foot in height, to up to five feet; provided, however, that this does not permit a wall or fence in required yards higher than permitted by this section. The area between such wall or fence and the retaining wall shall be landscaped and continuously maintained in an orderly, neat fashion.

(C) Exempt Fences and Walls. Where a fence or wall exceeding the maximum heights specified by this section is required by any law or regulation of the state of California, a fence or wall not exceeding such required height is permitted.

(D) Measurement of Fence and Wall Height. The height of a fence or wall shall be measured from the highest adjacent grade. In order to allow for variation in topography, the height of a required fence or wall may vary an amount not to exceed six inches; provided, however, that in no event shall the average height of such fence or wall exceed the maximum height specified.

(E) Minor Variation to Fence Height Restrictions/Conditional Fence Permit. The community development director, after providing notice to adjacent property owners, may consider approval of a conditional fence permit to allow fence heights up to two and one-half feet higher than those specified in this section for residential districts based on the following criteria:

(1) The proposed increased fence height will not create negative shading impacts on adjacent properties or impacts are mitigated through use of open fence design features.

(2) The proposed increased fence height incorporates appropriate architectural details and materials that assure compatibility with existing fences and fence patterns.

(3) The proposed increased fence height in a front or exterior side yard area does not create traffic hazards or detract from the neighborhood character by creating visual obstructions to open front yard patterns on an established neighborhood street.

(4) Any action by the community development director on a conditional fence permit may be appealed to the planning commission.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

(A) Maximum Height. The maximum building height in each residential district is set forth in Table 19.10.050 of this chapter (set out at the end of this chapter).

(B) Height Measurement. The height of a structure shall be measured vertically from the average elevation of the natural grade of the ground covered by the structure (see Figure A-7) to the highest point of the structure or to the coping of a flat roof, to the deck line of a mansard roof, or to the mean height between eaves and ridges for hip, gable, or gambrel roofs.

(C) Projections Above Permitted Height.

(1) Architectural projections such as mechanical equipment enclosures and other appurtenant rooftop structures or penetrations such as skylights, stairwells, and ventilation atria; spires, cupolas, chimneys, and other design elements integral to the overall design character of a building and intended to distinguish its design may be permitted above the height limits where not in conflict with the intent of this chapter, but may not exceed twenty percent of the horizontal area of the floor area below or ten feet in height above the main roof above which they are situated.

(2) Utility poles and towers shall not be subject to the height limits prescribed in the district regulations.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Parking requirements for residential uses are contained in Chapter 19.21, Parking and Loading Standards.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001; Ord. 2004-10 Exh. 1, 2004.)

Garage sales, estate sales (which includes estate auctions), and personal property sales shall be subject to the following regulations:

(A) Merchandise. Only the sale of personal household items is allowed. The sale of items acquired for resale or items assembled or manufactured on the premises (including products from a home occupation but excluding arts and crafts items) for the purpose of resale is prohibited. All transactions shall take place on the property of the owner conducting the event.

(B) Displays. No item for sale shall be displayed within the public right-of-way.

(C) Duration and Frequency. A sale or auction shall not exceed three consecutive days and occur no more than six times per calendar year on any one parcel. This regulation does not preclude the sale of individually advertised items at any time, provided they are not displayed so as to be visible from public view, other than legally parked vehicles and trailers.

(D) Signs. All signs shall conform to the requirements set forth in this title for sign regulations. All signs shall be removed within two days of the estate or garage sale.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

(A) Intent. It is the intent of the city to provide opportunities for the placement of manufactured homes in single-family residential districts, consistent with state law.

(B) Approval. Approval by the community development director is required prior to the issuance of building permits for individual manufactured homes on a site in any residential district, subject to the provisions of this section.

(C) Location. Manufactured homes may be located in any residential district where a single-family detached dwelling is permitted, subject to the same restrictions on density and to the same property development regulations.

(D) Design and Development. Each manufactured home:

(1) Shall be built on a permanent foundation approved by the building official;

(2) Shall be certified under the National Manufactured Home Construction and Safety Act of 1974, and shall be installed in accordance with the provisions of the most recent edition of the California Building Code adopted by the city;

(3) Shall provide skirting of exterior finish materials extending to the finished grade;

(4) Shall have roofing material complying with the most recent editions of the Uniform Building Code adopted by the city;

(E) Cancellation of State Registration. Whenever a manufactured home is installed on a permanent foundation, any registration of the manufactured home with the state of California shall be canceled, pursuant to state laws and regulations. Before any occupancy certificate may be issued for use of such a manufactured home, the owner shall provide to the

building official satisfactory evidence showing that the state registration of the manufactured home has been or will, with certainty, be canceled; if the manufactured home is new and has never been registered with the state, the owner shall provide the building official with a statement to that effect from the dealer selling the home.

(Ord. No. 2024-04 Section 3; Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Prior to the issuance of any permits for new development in any residential district, utility service to the site shall be undergrounded in accordance with the requirements of the public works department unless otherwise approved by the city engineer and community development director.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001.)

Where an existing, legal, nonconforming structure encroaches into a setback which was established after the building was constructed, the existing building line may be continued, subject to community development director approval.

(Ord. No. 2024-01; Ord. 2001-02 § 1, 2001; Ord. 2003-02, 2003.)

(A) Purpose. The purpose of these regulations are to assure well managed and maintained single room occupancy (SRO) developments. SROs are a type of group residential use. The following provisions shall apply specifically to SROs and may provide guidance for other group residential projects.

(B) General Provisions.

(1) Density. Given that these are small individual housing rooms, to equate SRO projects with General Plan housing unit densities, the city shall apply a factor of two to the density range. That is, a General Plan density range of ten to twenty units per acre shall equate to an SRO project density range of twenty to forty rooms/acre. Density bonuses may also be applied to qualifying SRO projects.

(2) Any SRO project must also meet the following standards:

(a) Proposed new construction, or exterior alterations to the existing buildings are compatible with the design and scale of the surrounding neighborhood;

(b) SRO sizes shall range from one hundred fifty to four hundred fifty square feet;

(c) A preliminary management plan shall be submitted as part of a design permit application and shall be reviewed and approved by the community development director prior to the application being deemed complete. A final management plan shall be approved by the community development department prior to issuance of a building permit, and recorded at the Napa County recorder's office;

• (d) An on-site twenty-four-hour manager is required;

• (e) Tenancy of a SRO shall not be less than thirty days.

Figure A-1 YARD MEASUREMENTS

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Figure A-2 FLAG LOTS

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Figure A-3

CORNER SIDEYARD ON REVERSE CORNER LOT

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Figure A-4

EAVES AND CANTILEVERED ROOFS IN REQUIRED YARDS

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Figure A-5 FIREPLACE STRUCTURES IN REQUIRED YARDS

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Figure A-6

CORNER LOT VISION CLEARANCE

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Figure A-7 BUILDING HEIGHT MEASUREMENT

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(Ord. No. 2024-01; Ord. 2017-07 § 3, 2017.)

Cross References

Section 19.05.040

Section 19.10.040