# Fire systems permit 201102099892 at 491 Post St, San Francisco

SF Department of Building Inspection permit 201102099892: issued Dec 15, 2011 for fire systems work at 491 Post St. new 6" fire service & sprinkler system to cover the sub-basement and basement area, 181 sprinklers, new colt backflow preventer, no change of use under this permit. no change to building exterior. interior work only.

- Permit number: 201102099892
- Issued: Dec 15, 2011
- Type of work: Fire systems (city: additions alterations or repairs, church)
- Status: Finished (city: complete)
- Reported cost: $249,000
- ZIP code: 94102
- All permits at this address: https://nearbypermits.com/san-francisco/address/491-post-st/

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Source: SF Department of Building Inspection permit data (https://data.sf.gov/d/i98e-djp9). Checked 2026-10-10 20:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 491 Post St: https://nearbypermits.com/san-francisco/address/491-post-st/