15-4C-3: SITE DEVELOPMENT STANDARDS:
All uses in the R-2 Zone shall comply with the development standards contained in this section.
   A.   General Provisions:
      1.   As provided by chapter 2 of this title.
      2.   Any use permitted in the R-1 Zone, when developed in the R-2 Zone, shall be constructed in accordance with R-2 site developments standards and parking requirements.
      3.   New dwelling units must be internally integrated and connected.
      4.   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.
      5.   Mobile and manufactured homes are subject to the following requirements:
         a.   The mobile or manufactured home 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 shall 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 vertical height which exceeds the maximum grade differential limit 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 7,000 square feet. Lots less than 4,000 square feet in area shall be occupied by only one dwelling unit, provided all other requirements of this title are met.
   D.   Setbacks:
      1.   Front yard: A minimum of 20 feet.
         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 above adjacent grade (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 shall maintain a minimum setback on each side of the lot of 10 percent of the width of the lot, but shall never be less than three feet and need not be more than five feet. Any detached accessory structures, and attached garages on 25-foot wide lots only, located on the rear one-third of the lot are allowed zero setback on one interior side lot line.
      3.   Side Yard, Reversed Corner: Reversed corner lots shall have the following side yard with a triangular area described as follows: one angle shall be formed by the rear and street side property lines, and the sides of this angle shall be 15 feet in length, measured along the rear and street side property lines. The third side of this triangle shall be a straight line connecting the two other lines at their endpoints. This triangular side yard setback area shall be in addition to the other side yard setback requirements described in subsection D2 of this section.
      4.   Rear Yard: A minimum of five feet. Detached accessory structures are allowed zero setback on the rear property line. A dwelling unit above a garage where the vehicular entrance is from an alley shall maintain a minimum one-foot setback.
   E.   Lot width: A minimum of 50 feet.
   F.   Minimum Unit Size: The minimum dwelling unit size shall be 250 square feet.
   G.   Placement of buildings and structures:
      1.   A minimum distance of three feet must be maintained between buildings.
      2.   A detached accessory structure in the rear one-third of the lot may be located on the rear and one interior side lot line, unless one of the following conditions exists:
         a.   Where the lot rears upon an alley and the vehicular entrance to the detached accessory structure is from the alley, such detached accessory structure shall 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 detached accessory structure may be built to the interior lot side line, but no building shall 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.
   H.   Building wall modulation:
      1.   Lots greater than 4,000 square feet in area: No plane of a building wall facing a property line shall exceed 24 feet in height or length without at least a two-foot offset for a minimum length of six feet in the wall plane. When expanding or adding onto the height or length of an existing building wall, only the expansion or addition shall not exceed 24 feet without wall modulation. Below is an example of wall modulation for walls up to 30 feet.
Total Wall Length Or Height
Maximum Length Of Unbroken Wall Plane
Minimum Length Of 2 Foot Offset
Total Wall Length Or Height
Maximum Length Of Unbroken Wall Plane
Minimum Length Of 2 Foot Offset
24 feet
24 feet
0 feet
25 feet
24 feet
1 foot
26 feet
24 feet
2 feet
27 feet
24 feet
3 feet
28 feet
24 feet
4 feet
29 feet
24 feet
5 feet
30 feet
24 feet
6 feet
 
      2.   Lots 4,000 square feet or less in area: Architectural building features must be included to modulate the building walls subject to the approval of the Director.
   I.   Lot coverage: All buildings, including detached accessory buildings, shall not cover more than 50 percent of the area of the lot.
   J.   Detached Accessory Buildings:
      1.   All detached accessory structures shall not exceed 1,200 square feet in aggregate per parcel.
      2.   Except as permitted in Chapter 15-4E related to accessory dwelling units, detached accessory buildings shall be limited to one floor, but may include an attic, which may be used for storage purposes only, provided 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 shall not contain a kitchen or kitchen facilities, a bathtub or shower and shall 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 shall not be rented or used as a separate dwelling unit.
      5.   Prior to issuance of a building permit for a detached accessory structure, except an accessory dwelling unit, the Director shall require the recording of a covenant to run with the land, which states that the accessory structure shall not be used in violation of this section. (Ord. 1648, 6-21-2023)