Permit 202311171030
4112 21st St
install a new sprinkler monitoring system per nfpa 72-2022 section 23.8.5.5.1. with 1 fire alarm fontrol unit 1 wireless commercial fire alarm communicators 1 smoke detector above the facu 1 manual pull station with reference sprinkler per nfpa 13 pa# 202302141946.
- Outcome
- Completed (city status: complete, May 31, 2024)
- Filed
- Nov 17, 2023
- Permit issued
- Nov 17, 2023
- Final sign-off
- May 31, 2024
- Declared cost
- $4,200
- Building use
- 1 family dwelling
- Neighborhood
- Castro/Upper Market
- Contractor
- Poly-On Security System Inc. (license 1044620)
- Property
- All permits at this address (block 2750, lot 016)
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
- Poly-On Security System Inc. (license 1044620)
- Authorized agent-others
- Billy Tsang (no license listed), applicant