Permit GraphShortlistSan Francisco building permits since 2000

Permit 202504174647

445 Warren Dr

replace the fire alarm system to the sf code interpretation 1103.6.71 and wire in the lf horns inside of the unit and wireless monitoring

Outcome
Completed (city status: complete, Dec 18, 2025)
Filed
Apr 17, 2025
Permit issued
Apr 21, 2025
Final sign-off
Dec 18, 2025
Declared cost
$40,000
Building use
apartments
Neighborhood
Inner Sunset
Contractor
Byington Electric Corp (license 253479)
Property
All permits at this address (block 2634, lot 062)

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
Byington Electric Corp (license 253479)
Authorized agent-others
Matthew Shaon, Byington Electric (no license listed), applicant