These development areas provide for the orderly development of single-family residences on minimum five thousand (5,000) square foot lots in areas appropriate for low-medium density residential development. The standards of the "RS-3" Single-Family Residential Zone in Chapter 18.04 (Single-Family Residential Zones) and Chapter 18.18 (Scenic Corridor Overlay Zone) shall apply, except as otherwise provided below, or as modified by Variance Nos. 3748 and 3798 referenced herein. (Copies of Variance Nos. 3748 and 3798 are on file in the Planning Department.)
.010 Lot Width.
.0101 All conventional lots shall have a minimum width of fifty (50) feet measured at the minimum ten (10) foot setback line; provided that, where the building is located farther back than ten (10) feet, the lot width shall be measured at the actual setback line, and a site plan shall be provided to demonstrate the actual building location. No site plan will be required when the lot width is measured at the ten (10) foot setback line.
.0102 All cul-de-sac and knuckle lots shall have a minimum lot width of forty-five (45) feet, measured at the minimum ten (10) foot setback line; provided that, where the building is located farther back than ten (10) feet, the lot width shall be measured at the actual setback line, and a site plan shall be provided to demonstrate the actual building location. No site plan will be required when the lot width is measured at the ten (10) foot setback line. Furthermore, in Development Area No. 102, a maximum of six percent (6%) of the lots may be from twenty (20) to forty (40) feet wide, except as otherwise permitted by Variance No. 3748.
.020 Lot Frontage Width of Flag Lots. In Development Area No. 102, a maximum ten percent (10%) of the total number of lots created by any subdivision of land may be flag-designed, except as otherwise permitted by Variance Nos. 3748 and 3798. The minimum lot frontage width of flag lots shall be shall be twenty (20) feet, measured at the right-of-way; provided that a maximum of two percent (2%) of the lots may be sixteen (16) feet wide, subject to review and approval by the Planning Commission in connection with a tentative map.
.030 Lot Depth Adjacent to Arterial Highways. The minimum depth of lots adjacent to an arterial highway (such as Oak Hills Drive or Serrano Avenue) shall conform to the requirements of Title 17 (Land Development and Resources); provided that residential lots, which are separated from such arterial highway by an open space or landscaped lot, shall be subject to the standards contained in this section.
.040 Building Height. The maximum overall height of any building shall be twenty-six (26) feet measured from the highest portion of the structure to the ground floor elevation directly below that point.
.050 Coverage and Open Space. The maximum lot coverage by all residential and accessory buildings shall be forty percent (40%), with no additional open space being required, except as otherwise permitted by Variance No. 3798.
.060 Setbacks.
.0601 Front Setback. The minimum front setback shall be ten (10) feet, as measured from any public street or arterial highway. If the lot does not abut a public street or arterial highway, the required setback shall be measured from the private street or access easement that provides primary access to the property.
.0602 Garage Setbacks. The minimum front setback to any garage, excepting “front-on” garages, shall be ten (10) feet. The minimum setback for “front-on” garages shall be twenty-five (25) feet, or twenty (20) feet if the garage has a roll-up door, or as otherwise determined by a site plan submitted and approved in conjunction with a tentative tract map. The setback shall be measured from the front property line to the garage wall for side-on conditions, and to the face of the garage door for front-on conditions.
.0603 Required Landscaped Area Adjacent to Oak Hills Drive and Serrano Avenue. The minimum landscaped area shall comply with subsection 18.104.070.010.
.070 Single-Family Residential Structures Permitted to Side On Arterial Highways. Where single-family residential structures are located at either individual project entries or at the ends of cul-de-sacs (whether conventional or flag lots) and are also located adjacent to an arterial highway, such residences may side on such highway; provided that said structures are separated from the roadway by an open space or landscaped lot, or landscaped area, as described in subsection 18.104.070.010, and further provided that the side yard setback shall be measured from the open space lot or landscape easement line.
.080 Sign Regulations – Advertising and Identifications. Entrance monumentation/signage, both neighborhood and community, shall be permitted, as set forth in Section 18.104.090 and as shown on the Community Monumentation Plan (Exhibit No. 16 of the Specific Plan), except as otherwise permitted by Variance No. 3798.
.090 Site Screening. Except as otherwise provided in subsection 18.104.070.020, or as otherwise permitted by Variance No. 3798, the following site screening requirements shall apply to these development areas.
.0901 A solid, decorative-type, masonry wall, landscaped earthen berm, and/or any combination thereof, totaling not less than six (6) feet in height, shall be provided along, and immediately adjacent to, the applicable site boundary line or lot line of these development areas for any portion abutting any multiple-family residential development area, excluding single-family attached residential development areas, and along arterial highways where necessary for sound attenuation. The height of any such wall and/or berm shall be measured from the highest finished grade level of the building pads of the dwelling units located closest to such abutting boundary or lot line.
.0902 Along Serrano Avenue, site screening up to six (6) feet six (6) inches in height shall be permitted.
.0903 Where the required walls are constructed at the top of any slope that is not the property line, maintenance access openings to the slope area shall be provided in the wall on each lot, if privately maintained. If commonly maintained, access shall be provided from a street or common area.
.0904 On corner lots formed by the intersection of residential streets with arterial highways, the wall required along the rear lot line adjacent to the arterial highway shall be extended along the side lot line adjacent to the residential street for a distance equal to the rear yard setback of the residential structure. Additional walls shall be provided for sound attenuation, if necessary. (Ord. 5920 § 1 (part); June 8, 2004.)