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September 2026 Building Permits

Official permit data from San Francisco— updated Mon, Wed & Fri from the county permitting office.

San Francisco, CA issued 883 building permits in September 2026, down 35% from the prior month. The most active zip code was 94110 with 77 permits. otc alterations permit was the top permit type, making up 91% of all permits issued.

Permits issued
883
vs. prior month
-35%
1,363 last month
Most active zip
94110
77 permits
Top permit type
otc alterations permit
91% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

94110
77
94105
61
94115
52
94118
49
94112
48
94121
47
94109
42
94131
42
94122
39
94114
38

Permits by type

September 2026 · San Francisco, CA

otc alterations permit
806 (91%)
additions alterations or repairs
56 (6%)
Other
16 (2%)
sign - erect
3 (0%)
new construction
1 (0%)
new construction wood frame
1 (0%)

Other months — San Francisco

August 2026July 2026June 2026
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