Furnace Installation Cost in Kentfield, CA
Based on 281 furnace installation building permits filed in Kentfield between 2015 and 2026, the typical declared project value is $7,630, with most landing between $5,000 and $11,700. These are real records from Kentfield's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Furnace Installation values over time in Kentfield
Median declared value moved from $7,200 in 2020 to $10,092 in 2025, up 40% over that span. Each year below is computed from the filings that actually cleared in Kentfield.
Recent furnace installation permits in Kentfield
Actual filings from Kentfield's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-01-23 | $4,312 | FURNACE REPLACEMENT ONLY |
| 2026-01-23 | $11,816 | FURNACE CHANGE OUT 36K BTU, 80 AFUE IN CLOSET |
| 2026-01-13 | $14,278 | REPLACE AC AND FURNACE IN SAME LOCATION |
| 2026-01-06 | $7,605 | REPLACE FURNACE IN SAME LOCATION |
| 2025-12-16 | $8,394 | Replace 95%/ 40k Furnace located in Basement. Like for like, same location. |
| 2025-12-11 | $8,500 | REPLACE FURNACE IN GARAGE |
| 2025-11-14 | $3,000 | Replace failed 80% furnace with 80% furnace, like for like, same location in hallway close |
| 2025-10-15 | $5,000 | Replace existing 80% furnace in mechanical closet with new, like for like, same location. |
| 2025-10-13 | $14,500 | remove (E) NG furnace from garage. Install (N) NG furnace in same location Remove (E) duct |
| 2025-09-26 | $13,000 | Remove & replace furnace like for like |
| 2025-09-22 | $6,757 | Remove (E) A/C and NG furnace located in back of building Install (N) A/C in same location |
| 2025-09-15 | $20,000 | Furnace and A/C Replacement. Removal and disposal of the existing unites and install the n |
| 2025-09-08 | $10,000 | Remove & replace furnace like for like. |
| 2025-07-28 | $19,900 | REPLACE AC AND FURNACE |
| 2025-07-25 | $20,000 | Remove & replace furnace like for like. |
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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 furnace 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.
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