Tankless Water Heater Installation Cost in San Francisco, CA
Based on 93 tankless water heater installation building permits filed in San Francisco between 2015 and 2026, the typical declared project value is $5,000, with most landing between $2,500 and $10,000. 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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Tankless Water Heater Installation values over time in San Francisco
Median declared value moved from $10,000 in 2017 to $5,000 in 2025, down 50% over that span. Each year below is computed from the filings that actually cleared in San Francisco.
Recent tankless water heater 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 |
|---|---|---|
| 2026-05-18 | $12,000 | interior remodel - kitchen & bathroom renovation, laundry relocation, tankless water heate |
| 2026-04-29 | $10,000 | rev 202512192305 & 202601143857: underpin (e) foundation along grile line 1 and c due to i |
| 2026-04-27 | $2,000 | run electrical line for new tankless water heater to replace existing. relocate plumbing f |
| 2026-01-30 | $10,000 | to comply with nov 202546379: repair rear stairs less than 50%, siding repair like for lik |
| 2025-11-14 | $3,000 | installation of new water heater tankless, new electrical line & new vent. |
| 2025-08-19 | $5,000 | to abate nov 202540566 item 2a window replacement all units non street facing, 2 b to incl |
| 2025-08-19 | $5,000 | to abate nov 202540566 item 2a window replacement all units non street facing, 2 b to incl |
| 2025-06-05 | $12,000 | unit 2287- kitchen and bathroom remodel to move water drain and relocate gas pipe in kitch |
| 2025-04-01 | $5,000 | revision 202501238873- relocate tankless water heater and relocate washer and dryer to upp |
| 2025-03-27 | $1,000 | revision 202403228403- replace (e) gas water heater to gas tankless water heater. update t |
| 2025-03-25 | $10,000 | revision to pa# 202501238873: remove and replace one window in kitchen. install new tankle |
| 2025-03-03 | $2,325 | tankless water heater (gas) replacement along with electrical plug, drywall repair, paint |
| 2025-02-18 | $2,500 | revision pa 201909161706 update proposed heating system for single family dwelling from he |
| 2024-12-30 | $1,000 | revision to #202311201110 & 202408017776 -relocate washer/dryer & water heater (tankless, |
| 2024-06-11 | $2,500 | relocate washer, dryer. relocate tankless gas water heater to the outside on the right sid |
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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 tankless water heater 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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