This section provides standards for residential accessory uses, structures, and vehicle parking allowed in the zoning district applicable to a parcel (see Table 11.2.05.015: Development Standards for Residential Districts). Accessory uses include any use that is customarily related to a residence, including carports, garages, greenhouses, storage sheds, studios, above ground swimming pools/spas, and workshops; but excludes accessory dwelling units and junior accessory dwelling units.
A. Relationship of Accessory Use to the Main Use. Accessory uses and structures shall be incidental to and not alter the residential character or scale of the parcel and may be established in compliance with this section only on a parcel with an existing single-unit dwelling, or simultaneously with the development of a new single-unit dwelling.
B. Garage Sales. Garage sales shall be limited to 4 per calendar year per site, and a maximum of 2 days each following approval by the city.
C. Attached Accessory Structures.
1. Structurally Part of the Main Structure. An accessory structure that is attached to a main structure shall be compatible with, and made structurally a part of the main structure (e.g., share a common wall with the main structure, rely partially on the main structure for structural support, or be attached to the main structure at a minimum of 4 points within 20 feet).
2. Compliance. An attached accessory structure shall comply with the requirements of this zoning code applicable to the main structure, including heights, setbacks, and site coverage.
3. Exterior Design and Materials. An attached accessory residential structure shall be architecturally compatible with the primary structure, and have the same architectural style and materials.
D. Detached Accessory Structures.
1. Minimum Separation. Detached accessory structures shall be separated from the main structure by a yard, open to the sky, having a minimum width of 6 feet;
2. Side and Rear Setbacks and Height.
a. Required Setbacks and Height. Detached accessory structures shall not exceed 9 feet in height within 5 feet of any property line; 12 feet in height within 10 feet of any property line; and 15 feet at the highest point of the roof; and shall not be placed closer than 5 feet to a side or rear property line. See Figure 11.4.05.100.D.2: Detached Accessory Structure Setbacks and Height.
b. Exceptions. The following structures are exempt from the detached accessory structure setback requirements provided by subparagraph 2.a of this subsection:
i. Pre-fabricated, detached accessory structures with an area of up to 120 square feet, and an overall height not exceeding 8 feet, may be placed adjacent to a side or rear property line.
ii. Planter boxes and masonry planters with a maximum height of 36 inches.
iii. Children's play equipment not exceeding 7 feet in height, movable dog houses and similar structures.
iv. Trash enclosures not exceeding 4 feet in height.
Figure 11.4.05.100.D.2 Detached Accessory Structure Setbacks and Height |
3. Prohibited in Specified Setbacks. Detached accessory structures are prohibited in required front and street side setbacks.
4. Maximum Lot Coverage. Maximum lot coverage for detached accessory structures are set forth in Table 11.4.05.100.D.4: Maximum Lot Coverage—Detached Accessory Structures.
Table 11.4.05.100.D.4 MAXIMUM LOT COVERAGE—DETACHED ACCESSORY STRUCTURES |
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District | Maximum Height (ft.) | Maximum Lot Coverage (sq. ft.) | Location | Setbacks |
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RLD | 15 | 225, up to 350 with a minor use permit | Rear one-half of lot | See paragraph 11.4.05.100.D.2 |
RMD | 15 | 225, up to 350 with a minor use permit | Rear one-half of lot | See paragraph 11.4.05.100.D.2 |
RHD | 15 | 225, up to 350 with a minor use permit | Rear one-half of lot | See paragraph 11.4.05.100.D.2 |
a. This limitation shall not apply to a detached garage, or to a swimming pool, barbecue, sport court, or other outdoor private residential recreational facilities.
b. This limitation also applies to the storage of recreational vehicles and boats. See paragraph 11.4.05.100.O.2: Recreational Vehicles and Boats.
5. Height Limit. Detached accessory structures shall not exceed a height of 15 feet.
6. Compatibility. Construction and the use of materials and colors shall be compatible with the main structure whenever feasible.
7. Building Permit Required. A building permit shall be required for all non-prefabricated accessory structures and for pre-fabricated accessory structures larger than 120 square feet in area.
E. Driveways, Walkways, and Patios. Driveways, walkways, patio slabs, and other areas paved with concrete, asphalt or similar materials, and wooden decks, may be placed in up to 50% of the area within any required setback, provided that the structures do not exceed a height of 12 inches. This requirement does not exclude the use of steps providing access between areas of different elevation on the same site. At least 50% of all setback areas shall consist of permeable surface.
F. Mechanical Equipment. Ground-mounted air conditioners, swimming pool pumps, and related and similar equipment may be placed within required rear setbacks, provided that the equipment is:
1. Not closer than 3 feet to any property line;
2. Not closer than 10 feet to a neighboring residence, or 8 feet with a sound attenuation structure approved by the director;
3. Four feet or less in height; and
4. In compliance with the provisions of Section
7.15.035 of Chapter
7.15: Noise of Title
7: Public Peace, Morals and Welfare of the Seal Beach Municipal Code.
G. Antennas. Antennas are subject to the provisions of Chapter
11.4.70: Wireless Telecommunications Facilities.
H. Garages. A detached accessory garage shall not occupy more than 600 square feet for each dwelling unit (including any workshop or storage space within the garage) unless a larger area is authorized by a conditional use permit pursuant to Chapter
11.5.20: Development Permits.
I. Guest Rooms and Pool Houses. Guest rooms and pool houses shall be allowed subject to the following limitations:
1. No more than one guest room and one pool house shall be allowed on a single parcel unless a conditional use permit is obtained pursuant to Chapter
11.5.20: Development Permits.
2. Kitchen facilities shall not be allowed within a guest room or pool house; a pool house may have a sink and/or shower.
3. Detached guest rooms and pool houses shall be limited to ground-floor construction, unless a conditional use permit allowing a second floor is obtained pursuant to Chapter
11.5.20: Development Permits.
J. Swimming Pools/Spas/Hot Tubs. Private swimming pools, spas, and hot tubs are allowed accessory to approved residential uses on the same parcel, subject to the following provisions:
1. Limitation on Use. The pool is to be used solely by occupants of the dwelling(s) on the same parcel and their invited guests;
2. Fencing. The swimming pool shall be secured by fencing and/or walls to prevent uncontrolled access by children, in compliance with the California Building Code.
See also Section 11.4.10.030: Swimming Pools and Hot Tubs, for additional regulations applicable to swimming pools, spas, and hot tubs located on residential properties. |
K. Minor Accessory Structures—Freestanding Barbecues/Fireplaces, Sculptures, and Fountains, etc. Minor accessory structures may be located in required side and rear yard setbacks provided that the structure is located in the rear two-thirds of the lot and a minimum 5-foot clearance is maintained between such structure and dwelling if it is located in the required side yard. Minor accessory structures that are decorative such as landscape garden walls, fire pits, freestanding barbecues/fireplaces, sculptures, and fountains may be located anywhere on the property provided:
1. They do not exceed 6 feet in height when located within the required side and rear yard setback areas or exceed 42 inches in height when located within the front yard setback; and
2. Minor accessory structures greater than 6 feet in height and located in a required side or rear yard require minor use permit approval pursuant to Chapter
11.5.20: Development Permits.
3. Rock formations shall be set back one foot from the side and/or rear property lines for each foot of rock formation height, maximum 5-foot setback required. See Figure 11.4.05.100.K.3: Rock Wall Setbacks Adjacent to Property Line.
Figure 11.4.05.100.K.3 Rock Wall Setbacks Adjacent to Property Line |
L. Tennis and Other Recreational Courts. Noncommercial outdoor tennis courts and courts for other sports (e.g., racquetball, etc.) accessory to a residential use are subject to the following provisions:
1. Permit Requirement. Minor use permit approval pursuant to Chapter
11.5.20: Development Permits shall be required to establish a tennis or other recreational court.
2. Fencing. Court fencing shall be subject to the height limits of Chapter
11.4.15: Fences, Hedges and Walls.
3. Lighting. Court lighting fixtures shall not exceed a maximum height of 15 feet, measured from the court surface. The lighting shall be directed downward, shall only illuminate the court, and shall not illuminate adjoining property, in compliance with Section 11.4.10.020.A: Lighting.
M. Workshops or Studios. Any accessory structure intended solely or primarily for engaging in artwork, crafts, light hand manufacturing, mechanical work, etc. is subject to the following provisions when located in a residential zoning district:
1. Limitation on Use. An accessory structure may be constructed or used as a studio or workshop in any residential zoning district solely for the following noncommercial activities:
b. Artistic endeavors (e.g., painting, photography, or sculpture);
c. Maintenance of the main structure or yards;
d. Maintenance or mechanical work on vehicles owned or operated by the occupants; or
e. Other purposes deemed similar by the director.
2. Floor Area. A workshop shall not occupy an area larger than 15% of the floor area of the main structure, except where a workshop is combined with a garage. In this case subsection
H: Garages of this section shall apply.
N. Tents and Portable Shelter Structures. The use of tents and other temporary and portable shelter structures shall be allowed only within a rear yard and subject to the provisions of paragraph D.4: Maximum Lot Coverage, of this section.
O. Restrictions on Residential Parking within Residential Districts. The parking of automobiles and recreational vehicles in residential zoning districts shall comply with the following standards.
1. Location. Automobiles shall not be parked between the street property line and the front of a residential unit except on a driveway leading to a garage or carport, or a semicircular driveway on a lot that has a minimum frontage width of 80 feet. Semicircular driveways may be approved only when the driveway interior is landscaped, and where 2 curb cuts are approved by the city engineer. See also subsection 11.2.05.015.L: Curb Cuts and Driveways—RLD-9 District.
2. Recreational Vehicles and Boats. Recreational vehicles may be stored or parked within single-unit residential districts only as follows:
a. Recreational vehicles and boats may be stored only within the side or rear yard behind the front line of the residential unit or, in the case of a corner parcel, behind the front or street side line;
b. A solid, minimum 6-foot high wall and/or gate shall screen recreational vehicles and boats from view from public roadway and from adjoining properties;
c. Subject to the provisions of paragraph D.4: Maximum Lot Coverage, of this section; and
d. Recreational vehicles and boats may be temporarily parked on driveways in front of residences for not more than 72 continuous hours.
P. Driveway Standards. Driveways providing site access shall be from an improved street, alley, or other right-of-way and shall be designed, constructed, and maintained as follows.
1. Driveway Location. Driveways shall be located as far away from intersections and as directly across from any existing driveway on the opposite side of the street as is practical. Whenever a site has access to more than 1 street, a driveway access shall be generally located on the street with the lowest traffic volume, where the impact of a new access will be minimized, provided that this location will not increase traffic impacts on residential neighborhoods. All proposed driveways are subject to approval by the city engineer.
2. Number and Extent of Residential Driveways.
a. Number of Driveways—Mid-block Parcels. As practical, the number of driveways shall be limited to 1, provided that properties with more than 80 feet of street frontage may devote an additional 18 feet maximum to a second driveway if the additional driveway is separated as much as is feasible from the main driveway, as approved by the director, and if the city engineer determines that the second driveway will not cause the loss of an on-street parking space in an area where such a loss would cause significant harm to the general public welfare. See also subsection 11.2.05.015.L: Curb Cuts and Driveways—RLD-9 District.
b. Number of Driveways—Corner or Double Frontage Parcels. For corner and double frontage parcels with residential uses other than single-unit dwellings and duplexes, 1 access on each frontage may be allowed if the city engineer determines that 2 driveways are needed to provide safe access.
c. Driveway Width. Driveway pavement shall be limited to a maximum width of 20 feet, or 40% of the parcel width, whichever is less. Minimum driveway width shall be 10 feet.
3. Visibility Considerations. Driveways and driveway landscaping shall be designed to maintain visibility and minimize interference with passing pedestrians. Landscaping adjacent to a driveway and the walls of the building shall be designed not to interfere with motorists' views of the sidewalk and pedestrians' views of vehicles exiting the project. See also subsection 11.4.20.030.C: Driveway Visibility.
(Ord. 1598; Ord. 1699; Ord. 1716, 12/9/2024)