Backup Generator Installation Cost in San Rafael, CA
Based on 48 backup generator installation building permits filed in San Rafael between 2015 and 2025, the typical declared project value is $15,000, with most landing between $10,000 and $18,397. These are real records from San Rafael's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Backup Generator Installation values over time in San Rafael
Median declared value moved from $15,106 in 2020 to $16,798 in 2021, up 11% over that span. Each year below is computed from the filings that actually cleared in San Rafael.
Recent backup generator installation permits in San Rafael
Actual filings from San Rafael's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2025-04-09 | $10,000 | installation of a 24kW natural gas emergency back up generator |
| 2024-11-11 | $15,000 | Install backup generator |
| 2024-03-22 | $3,000 | Add a 30A, 120v/240v circuit from the Pool Equipment panel to existing sauna. Add a 30A/10 |
| 2024-03-07 | $2,500 | Add a 30A/100A transfer switch panel with generator inlet within 10 ft of the main panel. |
| 2023-10-20 | $4,653 | Remove Zinsco sub-panel in the closet and move all circuits to the main panel outside. Ins |
| 2023-10-13 | $8,500 | backup generator |
| 2023-10-12 | $16,033 | 26KW Generac Generator Install |
| 2023-03-01 | $8,000 | Install a Generac 22kw Generator onto a concrete pad connected to an existing and permitte |
| 2022-06-11 | $19,000 | Provide and install 24kW generator and ATS |
| 2022-05-27 | $12,000 | Install 22KW generator to the left of the home on a concrete pad. |
| 2022-05-10 | $3,500 | Install Back up Generator |
| 2022-01-13 | $18,000 | Provide and install 24kW generator and ATS |
| 2021-12-03 | $11,500 | Install new 22KW Generac Generator on right side of home. |
| 2021-11-07 | $15,000 | Provide and install 14kW generator and ATS |
| 2021-09-16 | $17,717 | Generator - Express |
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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 backup generator installation actually costs in San Rafael comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from San Rafael'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 Rafael homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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