15-4B-3: SITE DEVELOPMENT STANDARDS FOR LOTS WIDER THAN TWENTY-FIVE FEET:
All uses on lots that are wider than 25 feet within the R-1 Zone must comply with the development standards contained in this section.
   A.   General Provisions:
      1.   As provided by chapter 2 of this title.
      2.   New dwelling units must be internally integrated and connected.
      3.   An addition to, or extension of, a dwelling unit, except a garage or an accessory dwelling unit, must share a common wall and be internally integrated and connected to the existing dwelling unit.
      4.   Mobile and manufactured homes are subject to the following requirements:
         a.   The mobile or manufactured homes has been certified pursuant to the National Manufactured Housing Construction and Safety Standards Act of 1974, and has not been altered in violation of applicable codes; and
         b.   The mobile or manufactured home must be installed on a permanent foundation in compliance with all applicable building regulations and division 13, part 2 (commencing with section 18000) of the California Health and Safety Code.
   B.   Height:
      1.   The height of all buildings or structures with a pitched roof must not exceed 32 feet and two stories. Buildings or structures with a flat roof must not exceed 26 feet and two stories.
      2.   A maximum grade differential of six feet is permitted on sloping lots. The height which exceeds the maximum grade differential is included in measuring the maximum building height. On sloped lots, a segmented grade plane may be applied to different portions of a building.
      3.   See section 15-2-3 of this title for exceptions to building height.
   C.   Lot Area: A minimum of 5,000 square feet.
   D.   Setbacks:
      1.   Front yard: Minimum setback of 22 feet. Front yard setbacks for two car and three car garages located in the front half of a lot must comply with the standards contained in subsection G of this section.
         a.   Permitted front yard setback encroachments:
         (1)   Porches or verandas in a front yard setback not fully enclosed on three sides (railings and/or columns permitted) may encroach into the front setback a maximum of six feet;
         (2)   The first floor front yard setback facing exterior wall of a dwelling may encroach up to two feet for a width not exceeding 30 feet when a first floor porch or veranda, not fully enclosed on three sides, is also projecting into the front yard setback. The total amount of encroachment may not exceed six feet in depth combined for both the dwelling structure and a porch or veranda, for a minimum 50 percent of the building width;
         (3)   Raised decks, where the walking surface is not greater than 24 inches above adjacent grade, in conjunction with a lattice deck cover not greater than 10 feet above adjacent grade may encroach into the front yard setback a maximum of six feet in depth and 50 percent of the building width;
         (4)   Lattice patio covers, pergolas, arbors, or trellises not greater than 10 feet in height (as measured from the lowest adjacent grade to the highest point of the cover) may encroach into the front yard setback a maximum of six feet in depth and 50 percent of the building width;
         (5)   Architectural elements such as towers or turrets not greater than eight feet in diameter may encroach into the front setback a maximum of four feet;
      2.   Side yard: Structures must maintain a minimum setback on each side of the lot of 10 percent of the width of the lot, but can never be less than three feet and need not be more than six feet.
      3.   Setbacks for detached accessory structures:
         a.   Detached accessory structures, including garages, must maintain a minimum setback on each side of the lot of 10 percent of the width of the lot, but may not be less than three feet and need not be more than six feet on the first floor.
         b.   The second floor of a detached accessory structure, including garages, must maintain a minimum setback on each side of the lot of 10 percent of the width of the lot plus an additional setback of two feet, but must not be less than five feet and need not be more than eight feet.
         c.   Detached accessory structures, including garages, that are only one story in height and are located in the rear third of the lot, must maintain a minimum side setback of two feet.
         d.   Detached accessory structures that are two stories high, and located in the rear third of the lot, must maintain a minimum side setback of two feet on the first floor and a minimum five feet on the second floor.
         e.   Detached accessory structures must maintain a minimum setback of three feet from the rear property line on the first floor and must maintain a minimum setback of five feet from the rear property line on the second floor.
         f.   Rooftop decks with required railings are permitted on single-story accessory structures and on top of the single-story portions of two-story accessory structures. Rooftop decks are not permitted on top of two-story accessory structures. Rooftop decks must maintain a minimum setback on each side of the lot of 10 percent of the width of the lot, plus an additional setback of two feet but can never be less than five feet, as measured from the property line to the required railing of the rooftop deck.
      4.   Side yard, Reversed Corner: Reversed corner lots must have the following side yard with a triangular area described as follows: One angle must be formed by the rear and street side property lines, and the sides of this angle must be 15 feet in length, measured along the rear and street side property lines. The third side of this triangle must be a straight line connecting the two other lines at their endpoints. This triangular side yard setback area is in addition to the other side yard setback requirements described in subsection D2 of this section.
      5.   Rear yard: Primary structures must maintain a minimum setback of five feet.
      6.   Exceptions: Notwithstanding the provisions of this subsection D, the west side yard of 618 W. Oak Avenue, more particularly described as the north 142.5 feet of the south 285 feet of the east 50.265 feet of Lot 14, Block 9, Tract No. 1685, commencing 63 feet south of the front lot line and continuing south a distance of 30 feet, must be three inches in width so long as that certain structure located along that 30-foot distance which existed on January 11, 1973, remains in existence. Upon the removal or destruction of said building, this property is no longer exempt from this subsection D.
      Notwithstanding the provisions of this subsection D, the south side yard of 724 Penn Street, more particularly described as the south 55 feet of the north 110 feet of Lot 8, Block 92, El Segundo Sheet No. 4, commencing 84 feet east of the front lot line and continuing east a distance of 20 feet, must be three feet in width so long as that certain structure located along that 20 foot distance which existed on January 11, 1973, remains in existence. Upon the removal or destruction of said building, this property is no longer exempt from this subsection D.
   E.   Lot Width: A minimum of 50 feet.
   F.   Minimum Unit Size and Floor Area Ratio: The minimum dwelling unit size shall be 250 square feet and the floor area ratio shall be as follows:
      1.   The maximum total building area on the lot shall not exceed an overall floor area ratio (FAR) of 0.60. There is no minimum building size.
      2.   The maximum FAR for the second floor of the primary structure shall not exceed 0.25.
      3.   In calculating the overall FAR, floor area is measured to the interior of a building's perimeter walls and shall include all floors of the primary dwelling (i.e., main structure), attached and detached accessory dwelling units, habitable attic space, accessory buildings, balconies, decks, verandas, and porches.
      4.   Areas where the vertical measurement between the floor and ceiling directly above is 14 feet or more shall be counted on both the first and second stories for FAR calculations (areas such as rotundas, spaces with vaulted ceilings, and other similar areas with volume).
      5.   Stairs and elevators are counted once and are applied to the first floor.
      6.   For purposes of calculating floor area, the following are not included:
         a.   Basements as defined in section 15-1-6 of this title;
         b.   Up to 500 square feet of interior floor area of an attached or detached garage;
         c.   Detached accessory structures measuring not more than 120 square feet;
         d.   First floor decks, verandas and porches under 30 inches in height (as measured from adjacent grade to the walking surface).
         e.   Up to 500 square feet cumulative of first floor decks, verandas and porches, covered or uncovered, attached or detached, and at least 30 inches in height (as measured from adjacent grade to the walking surface), provided that the deck, veranda or porch is at least 50 percent open on the sides.
         f.   Second floor balconies and decks that are not covered.
         g.   Up to 12 square feet of second floor decks and balconies that are covered by roof, lattice or trellis.
         h.   The area of decks, balconies, verandas or porches covered by eave projections up to 18 inches.
      7.   In cases of uncertainty or ambiguity, the director will determine whether an area is counted toward FAR.
   G.   Placement of buildings and structures:
      1.   A minimum distance of three feet must be maintained between buildings.
      2.   A detached single-story accessory structure in the rear third of the lot may be located as described in the requirements for setbacks in subsection D of this section, unless one of the following conditions exists:
         a.   Where the lot abuts an alley and the vehicular entrance to the detached accessory structure is from the alley, such detached accessory structure must be set back a distance measured from the opposite side of the alley that will provide a turning radius as follows:
            90 degrees - 25 feet
            75 degrees - 21 feet
            60 degrees - 18 feet
            45 degrees - 15 feet
         b.   On the rear third of a reversed corner lot a single-story detached accessory structure may be built to the interior lot side line, but no building may be erected closer than five feet to the property line of any abutting lot to the rear. However, if an alley intervenes and the vehicular entrance to the detached accessory building is directly from the street side, a detached accessory building may be built to the rear lot line.
      3.   A garage that is attached to a dwelling that is located in the front half of the lot facing the front property line must be set back a minimum of 24 feet from the front property line unless the building has a porch, veranda, or deck at least eight feet in width by four feet in depth, then a minimum front setback of 22 feet is permitted.
      4.   An attached three-car garage located in the front half of the lot that faces the front property line where one of the stalls is not tandem, must have at least two individual car door openings. The following garage designs are encouraged:
         a.   Three-car garages constructed as attached or detached structures at the rear of a lot.
         b.   Tandem for parking provided in excess of a two-car garage.
         c.   Attached three-car garages located on the front of a dwelling face toward the side property lines.
      5.   Accessory outdoor showers attached to a building wall are permitted, but must not encroach in a required setback and must not be roofed. They may be enclosed with walls on three sides and a shower door on one side.
   H.    Detached accessory buildings as defined in section 15-1-6 of this Title:
      1. All detached accessory structures may not exceed 1,200 square feet gross floor area in aggregate per parcel;
      2. Except as permitted in Chapter 15-4E related to accessory dwelling units, detached accessory buildings are limited to two (2) stories, and may include an attic, which may be used for storage purposes only, provided that access to the attic is not from permanently fixed stairs (pull down type stairs are permitted), no plumbing is permitted, and electrical fixtures are limited to the minimum required by the California Building Code and California Electrical Code;
      3. Unless permitted as an accessory dwelling unit, detached accessory buildings may not contain a kitchen or kitchen facilities, a bathtub or shower and may not be used for sleeping purposes or as an "R" occupancy, as defined by the California Building Code, except that they may contain a sink and a toilet;
      4. Unless permitted as an accessory dwelling unit, detached accessory buildings may not be rented or used as a separate dwelling unit; and
      5. Before the City issues a building permit for a detached accessory structure, except an accessory dwelling unit, the Director will require that a covenant running with the land be recorded stating that the accessory structure may not be used in violation of this section. (Ord. 1648, 6-21-2023)