Planning Code›Article 8 — MIXED USE DISTRICTS
San Francisco County Municipal Code § 830 Cmuo – Central Soma Mixed Use-Office District
San Francisco County Municipal Code · 2026-09 edition · updated 2026-10-22 · San Francisco County
Cite as: San Francisco County Municipal Code § 830 · Text as of 2026-10-22
The Central SoMa Mixed Use-Office (CMUO) extends predominantly between 2nd Street and 6th Street in the South of Market area. The CMUO is designed to encourage a mix of residential and non-residential uses, including office, retail, light manufacturing, arts activities, nighttime entertainment, and tourist hotels.
Table 830 CMUO – CENTRAL SOMA MIXED USE-OFFICE DISTRICT ZONING CONTROL TABLE Central SoMa Mixed Use-Office District Controls Zoning Category § References Controls BUILDING STANDARDS Table 830 CMUO – CENTRAL SOMA MIXED USE-OFFICE DISTRICT ZONING CONTROL TABLE Central SoMa Mixed Use-Office District Controls Zoning Category § References Controls BUILDING STANDARDS Massing and Setbacks
Height and Bulk Limits §§ 102, 105, 106, 249.78, 250–252, 260, 261.1, 263.21, 263.30, 270, 270.1, 270.2, 271. See also Height and Bulk District Maps Varies. See Height and Bulk Map Sheets HT01 and HT07. In the Central SoMa SUD, Prevailing Height and Density limits are determined by Section 249.78. Height sculpting required and additional bulk limits pursuant to §270; Non-habitable vertical projections permitted pursuant to §263.21; additional height permissible pursuant to §263.30; horizontal mass reduction required pursuant to §270.1; and Mid-block alleys required pursuant to §270.2. 5 Foot Height Bonus for Ground Floor Commercial § 263.20 NP Setbacks §§ 132.4, 134, 136, 144, 145.1 Generally required. Along 4th Street south of Bryant Street, required by a minimum depth of five feet, from sidewalk grade up to a minimum height of 25 feet. Street Frontage and Public Realm Streetscape and Pedestrian Improvements § 138.1 Required Street Frontage Requirements § 145.1 Required Street Frontage, Ground Floor Commercial § 145.4 2nd Street, on the west side, between Dow Place and Townsend Street; 3rd Street, between Folsom Street and Townsend Street; 4th Street, between Folsom and Townsend Streets; Folsom Street, between 4th and 6th Streets; Brannan Street, between 3rd Street and 4th Street; Townsend Street, on the north side, between 2nd Street and 4th Street. Vehicular Access Restrictions § 155(r) 3rd Street between Folsom and Townsend Streets; 4th Street between Folsom and Townsend Streets; Folsom Street from 4th Street to 5th Street; Brannan Street from 2nd Street to 6th Street; and Townsend Street from 2nd Street to 6th Street. Driveway Loading and Operations Plan § 155(u) Required for projects of 100,000 sq. ft. or more. Miscellaneous Lot Size (Per Development) § 102, 303 N/A Planned Unit Development § 304 NP Large Project Authorization § 329 Required for new construction greater than 85 feet in height; additions to an existing building with a height of 85 feet or less resulting in a total building height greater than 85 feet; or the net addition or new construction of more than 50,000 gross square feet. Awning and Canopy § 136.1 P Marquee § 136.1 NP Signs §§ 262, 602-604, 607, 607.2, 608, 609 As permitted by § 607.2. General Advertising Signs §§ 262, 602.7, 604, 608, 609, 610, 611 NP Design Guidelines and Standards General Plan Commerce and Industry Element; Central SoMa Plan Subject to the Citywide Urban Design Guidelines, Citywide Design Standards, and any other applicable design guidelines that have been approved by the Planning Commission..1
Zoning Category § References Controls RESIDENTIAL STANDARDS & USES Zoning Category § References Controls RESIDENTIAL STANDARDS & USES Development Standards Usable Open Space [Per Dwelling Unit and Group Housing] §§ 135, 136, 427 80 sq. ft. per unit; 54 sq. ft. per unit if publicly accessible; buildings taller than 160 feet may also pay in-lieu fee. Off-Street Parking §§ 150, 151.1, 153, 156, 166, 167 Car parking not required. Limits set forth in
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