Permit 202211156591
4150 Irving St
install a new sprinkler monitoring system per nfpa 72-2016 section 23.8.5.5.1 with (1) fire alarm control unit, (1) wireless commercial fire communicator, (1) smoke detector above the facu, (1) manual pull station.
- Outcome
- Completed (city status: complete, Apr 13, 2026)
- Filed
- Nov 15, 2022
- Permit issued
- Nov 16, 2022
- Final sign-off
- Apr 13, 2026
- Declared cost
- $5,200
- Building use
- 2 family dwelling
- Neighborhood
- Sunset/Parkside
- Contractor
- Poly-On Security System Inc. (license 1044620)
- Property
- All permits at this address (block 1708, lot 022)
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), applicant
- Designer
- Billy Yau Ho Tsang, Poly-On Security System Inc. (license 1044620), applicant