Permit GraphShortlistSan Francisco building permits since 2000

Permit 202512010598

491 20th Av

replace 20 windows, 16 are street facing, same size and same location.

Outcome
Completed (city status: complete, Apr 14, 2026)
Filed
Dec 1, 2025
Permit issued
Dec 1, 2025
Final sign-off
Apr 14, 2026
Declared cost
$800
Building use
apartments
Neighborhood
Outer Richmond
Contractor
Guo Hua Construction Co (license 771277)
Property
All permits at this address (block 1524, lot 014)

Everyone on the permit

The parties and license numbers written on the permit, as the city lists them; not a check with any state board. The person who paid the fee and the project contact are not shown.

Contractor
Guo Hua Construction Co (license 771277)
Authorized agent-others
Maria Low Maria S Y Low Trust, Maria S Y Low Trust (no license listed), applicant