Boiler Installation Cost in San Francisco, CA
Based on 56 boiler installation building permits filed in San Francisco between 2015 and 2025, the typical declared project value is $11,803, with most landing between $7,000 and $24,386. These are real records from San Francisco's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Recent boiler installation permits in San Francisco
Actual filings from San Francisco's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2025-11-26 | $12,000 | revision to 202506309746. full in kind replacement of existing rear year deck located in r |
| 2025-09-23 | $10,000 | replace 2 check valves with a backflow device in the boiler room on the ground floor. ref |
| 2025-05-06 | $3,000 | to comply with nov 202536163 #3,4,5,6,8,9,10,11,13,15,16,17,&18 - repair: (3) treads & ris |
| 2025-04-07 | $31,000 | revision to bpa#202412197142:replace (e) boiler with a (n) lochinvar 199k btu that will be |
| 2025-04-02 | $3,000 | comply with nov #202307475 item #7. replace 3x stairwell windows with vinyl retrofit. repa |
| 2024-12-19 | $31,000 | install high efficiency boiler, gas, 199k btu. installing in lower level in mech room. |
| 2024-01-30 | $20,000 | comply with physical inspection report cc-8574 to address items for #3731 only - note; com |
| 2023-12-20 | $12,000 | install wireless low frequency sounders in sleeping areas. install new telguard. install n |
| 2023-10-31 | $10,000 | fix drain for boiler; install electrical plugs; replace door and sheetrock; per complaint |
| 2023-05-01 | $23,514 | installation of new air seperator, expansion tank, pot feeder. replacing an existing rooft |
| 2023-03-23 | $35,000 | 3/f unit# 2(812): 1) conversion of an existing shower room w/vanity into a full bath w/ 3- |
| 2023-03-21 | $18,000 | remodel both kitchens in (e) residential 2 unit dwelling. replace (e) boiler with (n) boil |
| 2023-01-23 | $5,000 | legalization laundry room and boiler room in garage, plumbing electrical, mechanical, as n |
| 2023-01-06 | $6,000 | remove tub and build wood frame mechanical closet for mini boiler (sep permit). materials |
| 2022-11-29 | $8,000 | unit #11: minor exterior rot repairs due to water damage at exterior single story boiler r |
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Add your price →How to read these numbers
A permit's declared value is the job cost the owner or contractor stated when they pulled the permit. It tracks the real cost of the work but can run a bit under what was actually paid, since it often leaves out some labor and finish costs. Treat the range as a grounded starting point. What boiler installation actually costs in San Francisco comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from San Francisco's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a San Francisco homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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