Heat Pump Installation Cost in Mill Valley, CA
Based on 202 heat pump installation building permits filed in Mill Valley between 2015 and 2026, the typical declared project value is $17,206, with most landing between $10,500 and $23,000. These are real records from Mill Valley's public building-permit data, declared job values, not contractor estimates or AI guesses.
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Heat Pump Installation values over time in Mill Valley
Median declared value moved from $14,732 in 2021 to $20,151 in 2025, up 37% over that span. Each year below is computed from the filings that actually cleared in Mill Valley.
Recent heat pump installation permits in Mill Valley
Actual filings from Mill Valley's public permit records. Declared job values, not final paid prices.
| Filed | Declared value | Work described |
|---|---|---|
| 2026-01-26 | $40,983 | Replace 2 Furnaces with 2 Heat Pump and Air Handler systems using existing duct work. |
| 2026-01-08 | $27,785 | Installation of a Mitsubishi SUZ-AK48NL Outdoor Heat Pump Unit and a Mitsubishi SVZ-AP48NL |
| 2025-12-31 | $38,700 | PROVIDE ONE (1) NEW HEAT PUMP UNITS (5 TON). 2. PROVIDE NEW DUCTWORK, INSULATION, SUPPORTS |
| 2025-12-23 | $23,000 | R/R AIR HANDLER, ADD NEW HEAT PUMP |
| 2025-12-19 | $30,000 | Remove & replace furnace in basement like for like, Furnish & install heat pump in yard. |
| 2025-12-16 | $19,724 | Installing an Inverter heat pump, we will tie into existing ductwork. |
| 2025-12-08 | $25,000 | ADD NEW AIR HANDLER AND ADD HEAT PUMP. ADD 15 RUNS OF DUCTING. |
| 2025-12-08 | $15,000 | Mitsubishi heat pump installation. Install one outdoor Unit model # MXZ-4D30NL and 4 wall |
| 2025-12-02 | $32,000 | Remove & replace furnace & all ductwork in crawlspace like for like. Remove AC in yard & i |
| 2025-11-20 | $22,642 | Installation of a Mitsubishi SUZ-AK60NL 60K BTU Outdoor Heat Pump Unit and a Mitsubishi SV |
| 2025-11-19 | $13,500 | Replace furnace in attic with air handler in same location. Replace a/c with heat pump loc |
| 2025-11-12 | $20,578 | Installation of a Mitsubishi PVA-AA42NL 42K BTU 3.5 Ton Air Handler and a Mitsubishi PUZ-A |
| 2025-11-03 | $28,353 | Installation of a 4 ton Lennox mini split heat pump unit with 5 air handlers |
| 2025-10-27 | $39,000 | Ductless multi-split heat pump addition. |
| 2025-10-23 | $18,500 | ADD NEW HEAT PUMP. REPLACE FURNACE AND DUCTING |
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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 heat pump installation actually costs in Mill Valley comes down to home size, materials, and scope.
Where this comes from
Every figure is pulled from Mill Valley's public building-permit records and classified by the work described. Nothing is estimated or AI-generated. How the data works. The moment a Mill Valley homeowner adds a real receipt, this page upgrades to show what neighbors actually paid next to these permit values.
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