Add 3 smoke detectors & 3 horn/strobes
Alteration or repair at 450 Irwin St, San Francisco
SF Department of Building Inspection permit 9723927: issued Nov 26, 1997 for alteration or repair work at 450 Irwin St. add 3 smoke detectors & 3 horn/strobes.
- Permit number
- 9723927
- Issued
- Type of work
- Alteration or repair
- Status
- Finished
- Reported cost
- $1,600
- ZIP code
- 94107
- City's category
- otc alterations permit, school
- City's status
- complete
- Source
- SF Department of Building Inspection permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 450 Irwin St, and what's permitted nearby
SF Department of Building Inspection updated its data Oct 17, 2026. We checked it Oct 18, 08:36 UTC. See the city's official records.
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