Mini Split AC Installation Cost in Mill Valley, CA
Based on 84 mini split ac installation building permits filed in Mill Valley between 2016 and 2025, the typical declared project value is $10,198, with most landing between $6,978 and $15,175. 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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Mini Split AC Installation values over time in Mill Valley
Median declared value moved from $10,550 in 2020 to $16,500 in 2025, up 56% over that span. Each year below is computed from the filings that actually cleared in Mill Valley.
Recent mini split ac 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 |
|---|---|---|
| 2025-11-21 | $21,000 | Installing Ductless Mini-Split. |
| 2025-10-12 | $22,000 | Install Ductless mini split system |
| 2025-07-31 | $12,500 | ADD NEW DUCTLESS MINI SPLIT SYSTEM |
| 2025-06-25 | $8,000 | Mini split installation. Install new mitsubishi wall-mounted system model # MSZ-JP12WA,MUZ |
| 2025-06-17 | $16,000 | Unit 8: -Replace existing sub-panel with new 8/16 space sub-panel -Run new 100 amp rated s |
| 2025-06-17 | $17,000 | Installing 7 minisplits |
| 2025-06-17 | $17,709 | Install new ductless mini-split with (2) head units |
| 2025-06-13 | $10,000 | ADD NEW 2 ZONE DUCTLESS MINI SPLIT SYSTEM |
| 2025-05-05 | $11,600 | Install New Add-On Ductless Mini Split |
| 2025-01-28 | $19,447 | SFD - Replace AC; Install 30k BTU HP Condenser side of house and (2) 15k Indoor minisplit |
| 2024-11-21 | $25,000 | SFD - Replace NG furnace in crawlspace for mixed duct 42k BTU HP system with 24k BTU wall |
| 2024-11-13 | $8,671 | Replace 2 Ductless Mini Splits- like for like. |
| 2024-10-24 | $5,500 | Install 18K Mitsubishi HP - mini split |
| 2024-09-18 | $23,000 | install ductless 3 zone minisplit. Cap gas and remove furnace |
| 2024-09-11 | $10,000 | ADD NEW 80% DUCTLESS MINI SPLIT |
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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 mini split ac 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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