Permit GraphShortlistSan Francisco building permits since 2000

Permit 202510248107

450 20th Av

re-roofing with hot works.

Outcome
Expired or cancelled (city status: cancelled, Jan 7, 2026)
Filed
Oct 24, 2025
Permit issued
Oct 24, 2025
Declared cost
$16,000
Building use
apartments
Neighborhood
Outer Richmond
Contractor
Amex Roofing Dba Amex Construction (license 968341)
Property
All permits at this address (block 1525, lot 032)

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
Amex Roofing Dba Amex Construction (license 968341)
Authorized agent-others
Xiao Peng (no license listed), applicant