Backup Generator Installation Cost in Somerville, MA
Based on 52 backup generator installation building permits filed in Somerville between 2015 and 2026, the typical declared project value is $9,750, with most landing between $5,000 and $18,500. These are real records from Somerville's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Recent backup generator installation permits in Somerville
Actual filings from Somerville's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-05-14 | $30,000 | Installing 30kw generator |
| 2025-12-24 | $20,000 | Install Generator |
| 2025-12-16 | $12,000 | Install 20 kW standby generator |
| 2025-02-03 | $9,500 | CUMMINGS SCHOOL- replace existing transfer switch. install new circuit breaker panel. inst |
| 2024-02-26 | $7,500 | Install wiring for a temp generator. |
| 2023-07-24 | $22,000 | Temporary generator to feed building service H1 & T1. |
| 2023-03-24 | $5,000 | Temporary Diesel Generator and Electrical Distribution for Event 3/22 to 3/23/23 |
| 2023-02-09 | $10,000 | Three Trailers, One Generator for Slurry Plant |
| 2023-01-26 | $20,000 | install wiring for temporary generator EAST SOMERVILLE COMMUNITY SCHOOL |
| 2022-12-01 | $11,000 | Temporary Tower Crane Generator |
| 2022-11-07 | $5,000 | Wiring from a temporary generators to a decontamination construction trailer. *NOTE - B |
| 2022-10-06 | $15,000 | Temporary Site Generator |
| 2022-09-22 | $20,000 | Wiring from temporary generators to construction trailers. |
| 2022-05-17 | $6,500 | Temporary Power Generator & Make Safe/Demo |
| 2022-05-17 | $6,500 | Temporary Power Generator & Make Safe/Demo |
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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 Somerville comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Somerville's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Somerville homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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