Backup Generator Installation Cost in Kentfield, CA
Based on 63 backup generator installation building permits filed in Kentfield between 2016 and 2025, the typical declared project value is $16,000, with most landing between $10,000 and $20,955. These are real records from Kentfield's public building-permit data, declared job values, not contractor estimates or AI guesses.
No neighbor receipts in Kentfield yet. Paste a quote to see how it compares to these permit values, or add what you paid to start the real price record here.
Backup Generator Installation values over time in Kentfield
Median declared value moved from $20,000 in 2020 to $12,332 in 2021, down 38% over that span. Each year below is computed from the filings that actually cleared in Kentfield.
Recent backup generator installation permits in Kentfield
Actual filings from Kentfield's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2025-11-06 | $10,000 | Installation of a 18kW natural gas emergency back up generator |
| 2025-10-16 | $16,000 | Install a 10KW Generac generator and run a 100A sub feed from the generator to 100A Automa |
| 2025-10-16 | $3,500 | Ground Mount Generator Install |
| 2025-02-27 | $4,000 | Run new underground 1-1/2’’ gas line approximately 75ft from the gas meter to the generato |
| 2024-12-11 | $20,000 | Install 1 whole house Generac generator |
| 2024-12-02 | $20,000 | Install back up generator for house |
| 2024-05-31 | $18,039 | Provide and install 22kW Generac generator and 200A ATS. |
| 2024-05-14 | $24,388 | Replace generator |
| 2024-04-04 | $18,729 | -Construct pad for generator and top with vibration dampening rubber mat -Install 26KW Gen |
| 2023-03-22 | $18,000 | Install a Gas Backup Generator |
| 2022-09-14 | $22,000 | Install 22 KW Generac Generator with a Zombie Box on north west corner of pool area. |
| 2022-09-06 | $6,058 | 100/30A Transfer Switch for Portable Generator, 200A to 200A Safety Swap |
| 2022-05-05 | $12,000 | install backup generator; pipe; wire; electrical boxes ;transfer switch; make platform on |
| 2021-12-01 | $10,500 | Generator - Express |
| 2021-12-01 | $10,000 | Install a backup generator |
Paid for backup generator installation in Kentfield? Your receipt becomes the first real neighbor price on this page.
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 Kentfield comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Kentfield's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Kentfield homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
Paid for backup generator installation in Kentfield?
Add what you actually paid. It's anonymous, takes a minute, and turns this permit estimate into a real neighbor price the next homeowner can trust.
Add your price →