131
LEGISLATED SETBACK LINES
San Francisco Planning Code · SF Planning Code § 131
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SEC. 131. LEGISLATED SETBACK LINES. (See Interpretations related to this Section.) (a) The legislated setback lines along specific street and alley frontages established by ordinance and resolution pursuant to former Article 4 of the City Planning Code and earlier provisions of law are hereby continued in effect as regulations of the City Planning Code, regardless of the regulations for the use districts in which such street and alley frontages are located, and said ordinances and resolutions are expressly incorporated herein by reference as though fully set forth. (b) The obstructions permitted within such legislated setback lines shall be as described in Sections 132 and 136 of this Code. No other obstruction shall be constructed, placed or maintained within a legislated setback line. (c) The procedures for establishment, abolition or modification of a legislated setback line shall be as specified in Sections 302 and 306 through 306.5 for amendments to this Code. (d) In case of any conflict between the requirements of a legislated setback line and a front setback area established by Section 132 of this Code, the more restrictive requirements shall prevail. (Added by Ord. 443-78, App. 10/6/78) SEC. 132. FRONT SETBACK AREAS IN RTO, RH, AND RM DISTRICTS AND FOR REQUIRED SETBACKS FOR PROJECTS IN NC AND RTO-C DISTRICTS, AND PLANNED UNIT DEVELOPMENTS. (See Interpretations related to this Section.) The following requirements for minimum front setback areas shall apply to every building in all RH, RTO, and RM Districts, in order to relate the setbacks provided to the existing front setbacks of adjacent buildings. (a) Basic Requirement. Where one or both buildings adjacent to the subject property have front setbacks along a Street or Alley, any building or addition constructed, reconstructed, or relocated on the subject property shall be set back to no less than the depth of the adjacent building with the shortest front setback, except as provided in subsection (c). In any case in which the lot constituting the subject property is separated from the lot containing the nearest building by an undeveloped lot or lots for a distance of 50 feet or less parallel to the Street or Alley, such nearest building shall be deemed to be an “adjacent building,” but a building on a lot so separated for a greater distance shall not be deemed to be an “adjacent building.” However, aside from the scenarios described in subsection (c) below, a lot that only has one adjacent building shall provide a front setback equal to one half the front setback of such adjacent building. (b) Method of Measurement. The extent of the front setback of each adjacent building shall be taken as the horizontal distance from the property line along the Street or Alley to the building wall closest to such property line, excluding all projections from such wall, all decks and garage structures and extensions, and all other obstructions. (c) Applicability to Special Lot Situations. (1) Corner Lots and Lots at Alley Intersections. On a Corner Lot as defined in Section 102 of this Code, or a lot at the intersection of a Street and an Alley or two Alleys, a front