San Francisco County Municipal Code § 132.3 Sun Access

(a) General. In order to preserve the openness of Chinatown's streets to the sky and to achieve as much sun as possible on public sidewalks having a high volume of pedestrian use, setbacks at specified heights or a series of setbacks within the same plane (profile angle) as a 15-foot setback at specified heights may be required, as a condition of approval of conditional use authorization otherwise required by Section 254 of the Code. (b) Procedure. A 15-foot setback requirement may be imposed in accordance with the provisions set forth below pursuant to the procedures for conditional use authorization set forth in Section 303 of this Code. (c) Setback Requirement. 15-FOOT SUN ACCESS SETBACKS FOR 50-FOOT AND 65-FOOT HEIGHT DISTRICTS IN CHINATOWN Street Name Street Width Height District Profile Angle Height at which Setback Begins Hours of Sun March - Sept. a.m. p.m. Sides of Street 15-FOOT SUN ACCESS SETBACKS FOR 50-FOOT AND 65-FOOT HEIGHT DISTRICTS IN CHINATOWN Street Name Street Width Height District Profile Angle Height at which Setback Begins Hours of Sun March - Sept. a.m. p.m. Sides of Street Grant 44' 50' 66° 35' 10:00 E 3:30 W Stockton 65' 65' 42° 51' 8:45 E 3:45 W Kearny 75' 50' 33° 40' 9:00 E 3:45 W Kearny 75' 65' 35° 52' 8:45 E 3:45 W Vallejo 69' 65' 43° 51' 9:15 S sunset S Broadway 81' 65' 38° 54' 7:45 S sunset S Pacific 50' 65' 49° 47' 9:45 S 2:30 S Washington 50' 65' 49° 47' 9:45 S 2:30 S Clay 50' 65' 49° 47' 9:45 S 2:30 S Sacramento 50' 65' 49° 47' 9:45 S 2:30 S

(d) Encroachments. Encroachments may be permitted into the setbacks if a compensatory increase in sunlight on the sidewalk in the same block is achieved by a reduction of height or volume elsewhere in the structure. (Added by Ord. 131-87, App. 4/24/87)