The following property development standards shall apply to all land and buildings in the R-1 Zone:
A. Lot area.
1. Each lot shall have a minimum area of seven thousand two hundred (7,200) square feet.
2. In Planned Unit and Cluster Development, the size of the lots may vary, provided the overall density provisions of the zone are maintained within the project and all other requirements of this title are complied with.
B. Lot dimensions.
1. Width. Each lot shall have a minimum width of sixty (60) feet, except as follows:
a. Corner lots - seventy (70) feet.
b. Reversed corner lots - seventy-five (75) feet.
2. Depth. Each lot shall have a minimum depth of one hundred (100) feet.
3. In Planned Unit and Cluster Development the lot width and depth may be modified to conform to the buildings and structures proposed, provided said dimensions permit conformity with all other provisions of this section.
C. Dwelling unit density. Not more than one (1) dwelling unit shall be permitted to be on any lot in the R-1 (Single Family Residential) Zone except that an accessory dwelling unit and a junior accessory dwelling unit may be permitted in addition to the one (1) dwelling unit subject to the provisions set forth herein.
D. Building height.
1. Buildings and structures erected in the R-1 Zone shall have a height no greater than thirty (30) feet.
2. Structures permitted above height limit. Roof structures for the housing of elevators, stairways, tanks, ventilating fans or similar equipment required to operate and maintain the buildings and fire or parapet walls, skylights, flagpoles, chimneys, domestic radio and television masts, or similar structures may be erected above the maximum height permitted in each zone. No structure shall be allowed for purposes of providing additional floor space.
1. Front yard.
a. A minimum twenty-five (25) foot front yard shall be required.
b. Notwithstanding other provisions contained herein; the entire front yard area, including the minimum required front yard, shall be kept and maintained free and clear of all attached or detached accessory structures, building and automotive materials, trash, debris, trash storage receptacles, inoperable motor vehicles, camper shells not mounted on motor vehicles, boats, or boats and trailers, including utility trailers. Parking and driveway areas within the entire front yard area shall not exceed fifty-five percent (55%) of such yard area; for lots at the end of cul-de-sac with a lot frontage of less than forty (40) feet, the parking and driveway areas within the entire front yard may be paved up to a maximum of eighty percent (80%), all subject to the Development Services Director's review and approval. The parking of operable motor vehicles shall be permitted only on an all weather surface, subject to the review and approval of the Development Services Director.
c. Recreational vehicle parking may occur as follows:
(1) Parking within a garage or three (3) sided carport.
(2) Outdoor parking in the side or rear yards beyond the required twenty-five (25) foot front setback, except in a street side yard of a corner lot or reverse corner lot.
(3) Outdoor parking in a driveway or improved pad, provided that:
(a) Parking of said vehicle within a garage or three (3) sided carport is not possible.
(b) Space is not available in the side or rear yards or no access exists to such yards.
(c) No part of said unit extends over public sidewalks or rights-of-way.
(d) The vehicle or unit at no time creates a sight obstruction that poses a safety hazard.
(e) Such vehicles shall be determined to be in an operable condition.
(f) The vehicle is not used for dwelling purposes; cooking is not permitted in the recreational vehicle at any time and accordingly, butane and propane shall not be used.
(g) The vehicle is not permanently connected to electricity, sewer lines or water lines. The recreational vehicle may be connected to electricity temporarily for charging batteries and cleaning purposes only.
(h) The vehicle shall not be used for storage of goods, materials, or equipment other than those items considered to be part of the unit or essential for its immediate use.
(i) The vehicle shall not block required emergency access to the rear yard area. A five (5) foot clear area shall be maintained to provide such access.
d. Where the entire block frontage is designed and developed as a neighborhood unit, the front yard setback may vary, providing that an average building setback of not less than twenty-five (25) feet is maintained. The minimum front yard shall not be less than twenty (20) feet.
e. Notwithstanding other requirements herein, all garages with vehicle entrances facing a street shall set back not less than twenty-five (25) feet from the property line. A carport with a vehicle entrance facing a street and not screened from public view from any point on the public right-of-way line which abuts the property upon which said carport is located shall be prohibited.
f. Front yards on the turn-around end of cul-de-sac street may be reduced to not less than twenty (20) feet.
2. Side yards.
a. Lots shall have a side yard on each side of not less than five (5) feet. An additional two and one-half (2½) feet shall be required for side yards adjacent to a main building twenty (20) feet or more in height.
b. A side yard on the street side of a corner lot shall not be less than twenty (20) feet.
c. Any storage of materials including but not limited to, trash and trash receptacles, newspapers, building and automotive materials, landscape maintenance tools, and debris, within side yards, shall be substantially screened with a combination of open or solid fencing, and landscaping, or enclosed within an openwork structure such as wood or metal lattice, so as to substantially minimize views as seen from adjacent private and public streets, and public right-of-way (excluding alleys).
d. All side yard setbacks shall be measured from the property line to the building wall.
3. Rear yards.
a. Each yard shall have a rear yard of not less than twenty-five (25) feet except that the main building may project to within ten (10) feet of the rear property line. The combined coverage by the main building and any accessory buildings shall not exceed twenty-five percent (25%) of the required rear yard area.
b. Any storage of materials including, but not limited to, trash and trash receptacles, newspapers, building and automotive materials, landscape maintenance tools, debris, inoperable motor vehicles, camper shells not mounted on motor vehicles, or boats and trailers, within rear yards, shall be substantially screened with a combination of open or solid fencing, and landscaping, or enclosed within an openwork structure such as wood or metal lattice, so as to substantially minimize views as seen from adjacent private and public streets, and public right-of-way (excluding alleys). Stored materials shall not cover an area greater than fifty percent (50%) of the total square footage of the rear yard.
4. Location of accessory buildings in required yards.
a. Detached accessory buildings may be located in the required side or rear yard areas provided that said structure or structures are not less than five (5) feet from any common property line to the eave line and provided that all run-off water from the roof is disposed on the lot.
b. Where access to a garage or carport is provided from any alley, the garage or carport shall be located not less than twenty-five (25) feet from the opposite property line or five (5) feet from the alley right-of-way line, whichever is more restrictive. If the vehicle entrance faces the alley, garage only shall be permitted and the vehicle entrance door shall not project beyond the property line when open or being opened. A carport with a vehicle entrance facing an alley and not screened from public view from any point on the public right-of-way which abuts the property upon which the carport is located shall be prohibited.
5. Projections into required yards. The provisions of § 20.08.020 of this title shall apply.
6. Garage and carport side street setback. Notwithstanding other requirements herein, a garage with a vehicle entrance facing a side street shall set back not less than twenty-three (23) feet from the street side property line. A carport with a vehicle entrance facing a side street and not screened from public view from any point on the public right-of-way line which abuts the property upon which said carport is located shall be prohibited.
7. Location of accessory dwelling units.
a. An accessory dwelling unit that is detached or attached to the primary dwelling unit shall maintain a side and rear yard of not less than four (4) feet, unless otherwise permitted under subparagraphs b., c., and d. below, and conform to the development standards set forth herein.
b. An accessory dwelling unit constructed within existing square footage within the primary dwelling unit or within an existing accessory building on the property may be permitted ministerially, subject to the issuance of a building permit, if complying with building and safety codes, has independent exterior access from the existing residence and has sufficient side and rear setbacks for fire safety, in accordance with the provisions of § 20.208.040.
c. No additional building setback shall be required for an existing garage or an existing accessory building that is converted to an accessory dwelling unit or for a structure constructed in the same location and to the same dimensions as an existing structure.
d. A setback of no more than four (4) feet from the side and rear lot lines shall be required for an accessory dwelling unit that is constructed above or attached to a garage that is existing or proposed with the accessory dwelling unit.
F. Outdoor living space.
1. Each lot shall contain a usable area of not less than one thousand (1,000) square feet for outdoor living. The minimum dimension shall be not less than twenty-five (25) feet. Where contiguous to a side or rear yard, said yards may be included as part of the minimum. Slopes with a grade in excess of ten percent (10%) may not be included as satisfying this requirement.
2. The provisions of § 20.08.030 of this title shall apply.
G. Walls, fences, and landscaping.
1. Fences and walls and solid hedges shall not exceed seven (7) feet above the finished grade immediately abutting the fence with the following exceptions:
a. Solid fences, walls and hedges in a required front yard shall not exceed a height of thirty (30) inches.
b. Open work fences (not less than ninety percent (90%) open) in a required front yard shall not exceed a height of four and one-half (4½) feet.
c. Property owners are responsible for the continual maintenance of all landscaped areas on-site, as well as contiguous planted areas within the public right-of-way. All landscaped areas shall be kept free from weeds and debris, and maintained.
d. The provisions of § 20.08.060 of this title pertaining to corner cut-off areas shall apply.
e. Fences and walls shall be located a minimum of six (6) inches from any property line which is adjacent to a public right-of-way.
H. Distance between buildings.
1. The distance between external walls of detached buildings shall not be less than ten (10) feet, if there are either doors or windows facing on said space between walls. Where no openings face said space, it may be reduced to six (6) feet.
2. A detached accessory dwelling unit shall maintain a minimum separation of not less than ten (10) feet (regardless of openings in walls) from the external walls of the existing primary dwelling unit on the same lot. No additional distance shall be required for an existing garage or other accessory structure that is converted to an accessory dwelling unit.
I. Minimum dwelling area.
1. Each dwelling unit shall have a gross floor area of not less than one thousand (1,000) square feet.
2. Accessory dwelling units shall have a minimum floor area of not less than one hundred fifty (150) square feet.
J. Coverage by structures. Not more than thirty-five (35%) of the lot area shall be covered by buildings or structures.
K. Off-street parking.
1. There shall be not less than two (2) off-street parking spaces within a garage for the primary dwelling unit. An accessory dwelling unit shall provide one (1) additional off-street parking space in addition to the required parking for the existing primary dwelling unit. This additional parking space may be covered or uncovered and shall meet all parking space location, dimension, and surfacing requirements for this title. The additional parking space may be provided as tandem parking on an existing driveway. Parking standards for an accessory dwelling unit shall not apply in any of the following instances:
a. The accessory dwelling unit is located within one-half (1/2) mile of public transit, including, but not limited to, train stations and bus stations. The one-half (1/2) mile distance shall be measured on actual walking routes between the accessory dwelling unit and the public transit, rather than a straight line between points.
b. The accessory dwelling unit is located within an architecturally and historically significant district.
c. The accessory dwelling unit is part of a proposed or existing primary residence or an existing accessory structure.
d. When on-street parking permits are required but not offered to the occupant of the accessory dwelling unit.
e. When there is a car share vehicle located within one (1) block of the accessory dwelling unit.
2. When a garage, carport, or covered parking structure is demolished in conjunction with the construction of an accessory dwelling unit or converted to an accessory dwelling unit, the off-street parking spaces do not need to be replaced.
1. All lots shall have vehicular access from a dedicated street or alley.
2. Driveway access to garages or carports shall be of permanent construction material, concrete or asphalt or other material approved by the City Engineer.
M. Signs. The provisions of Chapter 20.28 of this title shall apply.
N. Lighting. All lighting, interior and exterior, shall be designed and located so as to confine all direct rays to the premises.
O. Accessory dwelling unit architecture. Each accessory dwelling unit shall match the color, style, and materials of the existing dwelling unit.
P. Accessory dwelling unit and junior accessory dwelling unit review. The city shall not approve an application for a new accessory dwelling unit or junior accessory dwelling unit unless the ADU satisfies all of the applicable standards in this chapter and the applicant receives the approval identified in subsection 1. below or the ADU or JADU meets the requirements set forth in subsection 2. below (building permit only process).
1. ADU applications shall be processed based on the maximum size of the proposed ADU, as follows:
Type of Application
Certificate of Compatibility
Up to 850 sq. ft.1
>851 sq. ft.2
2-bedroom and more
Up to 1,000 sq. ft.1
>1,001 sq. ft.2
1 ADUs up to 800 sq. ft. are subject to a 16-foot height limitation with a 4-foot side- and rear-yard setback requirement if the applicable zoning development standards would prohibit the construction of an ADU greater than 800 square feet. Otherwise, ADUs are subject to applicable development standards of the underlying zone.
2 Subject to a certificate of compatibility per § 20.408.050.
2. State-mandated ADU and JADU processing. Notwithstanding other provisions contained herein, an accessory dwelling unit, junior accessory dwelling unit, or both if required by state law, shall be allowed with only a building permit if the proposed unit(s) meet the requirements of both the Cal. Building Standards Code, as adopted and/or amended by the city, and Cal. Gov’t Code § 65852.2(e)(1), as the same may be amended from time to time, which currently requires the city to ministerially approve a building permit within a residential or mixed-use zone to create any of the following:
a. One (1) accessory dwelling unit and one (1) junior accessory dwelling unit per lot with a proposed or existing single-family dwelling if all of the following apply:
(1) The accessory dwelling unit or junior accessory dwelling unit is within the proposed space of a single-family dwelling or existing space of either an existing single-family dwelling or existing accessory structure, and may include an expansion of not more than one hundred fifty (150) square feet beyond the same physical dimensions as the existing accessory structure.
(2) The space has exterior access from the proposed or existing single-family dwelling.
(3) The side and rear setbacks are sufficient for fire and safety.
b. One (1) detached, new construction accessory dwelling unit that does not exceed eight hundred (800) square feet in size, sixteen (16) feet in height, and has at least four (4) foot side and rear yard setbacks on a lot with a proposed or existing single-family dwelling. A new detached accessory dwelling unit in this subsection may be combined with a junior accessory dwelling unit described in paragraph a. above.
c. One accessory dwelling unit within the portions of existing multifamily dwelling structures that are not used as livable space, including, but not limited to, storage rooms, boiler rooms, passageways, attics, basements, or garages, if each unit complies with state building standards for dwellings. If requested, multiple accessory dwelling units shall be allowed, up to the number of accessory dwelling units that equals twenty-five percent (25%) of the existing multifamily dwelling units in the structure.
d. Not more than two (2) detached accessory dwelling units located on a lot that has an existing multifamily dwelling, subject to a height limit of sixteen (16) feet and four (4) foot rear yard and side setbacks.
3. Junior accessory dwelling units. In accordance with the standards set forth in Cal. Gov’t Code § 65852.22, junior accessory dwelling units approved under the building permit only process shall comply with the following requirements, unless state law is amended to set forth different standards, in which case state law standards will govern:
a. A junior accessory dwelling unit shall be a maximum of five hundred (500) square feet of gross floor area. The gross floor area of a shared sanitation facility shall not be included in the maximum gross floor area of a junior accessory dwelling unit.
b. A junior accessory dwelling unit must be contained entirely within the walls of the existing or proposed single-family dwelling.
c. A separate exterior entry from the main entrance to the single-family dwelling shall be provided to serve a junior accessory dwelling unit.
d. A junior accessory dwelling unit may include separate sanitation facilities, or may share sanitation facilities with the single-family dwelling, in which case the junior accessory dwelling unit shall have an interior door to allow access to the facilities in the single-family dwelling.
e. A junior accessory dwelling unit shall include an efficiency kitchen, which shall include all of the following:
(1) A cooking facility with appliances.
(2) A food preparation counter and storage cabinets that are of reasonable size in relation to the size of the junior accessory dwelling unit.
f. If the property contains a junior accessory dwelling unit, one of the residential dwellings on the lot shall be occupied as the primary residence of the owner of the lot and shall not be rented or leased as long as the junior accessory dwelling unit exists, unless state law is amended to prohibit owner occupancy requirements for junior accessory dwelling units.
g. No additional parking is required for a junior accessory dwelling unit.
4. Covenants. The owner of record shall record a covenant in a form satisfactory to the City Attorney within thirty (30) days following the issuance of a building permit for the accessory dwelling unit or junior accessory dwelling unit, which shall include the following requirements and any other provisions required by state law: (a) the accessory dwelling unit (or junior accessory dwelling unit) may not be sold, transferred, or assigned separately from the primary residence; (b) the accessory dwelling unit (or junior accessory dwelling unit) may not be rented for a period of less than thirty (30) consecutive days; (c) if the property contains a junior accessory dwelling unit, the junior accessory dwelling unit shall be a legal unit and may be used as habitable space, only so long as either the main dwelling unit, or the junior accessory dwelling unit, is occupied by the owner of record of the property, unless state law is amended to prohibit local agencies from requiring owner-occupancy; and (d) such restrictions shall run with the land and be binding upon all future owners, and lack of compliance may result in legal action against the property owner to compel compliance with this code. The covenant shall be recorded in the official records of Orange County, and a copy of the covenant shall be filed with the office of the City Clerk.
Q. Accessory dwelling unit size.
1. The maximum size of an accessory dwelling unit shall be subject to subsection P. above.
2. Notwithstanding paragraph 1., the maximum size of an attached accessory dwelling unit that is proposed to be constructed on a lot with a pre-existing primary dwelling shall not exceed fifty percent (50%) of the primary dwelling, or the maximum sizes in paragraph 1., whichever is smaller.
(Ord. 425, passed 10-14-68; Am. Ord. 478, passed 12-14-70; Am. Ord. 741, passed 6-21-83; Am. Ord. 760, passed 5-15-84; Am. Ord. 770, passed 3-19-85; Am. Ord. 873, passed 9-5-89; Am. Ord. 965, passed 4-4-95; Am. Ord. 1129, passed 10-20-09; Am. Ord. 1203, passed 2-20-18; Am. Ord. 1220, passed 3-16-21)