Mill Valley building permit report
728 building permits were issued in Mill Valley, California over the last 12 months — including 14 reroofs, 44 remodels and additions, and 2 ADUs. Sourced from Mill Valley's official permit portal.
Last updated September 16, 2026.
Month by month
| Month | All permits | Reroofs | Remodels & additions | ADUs | Pools & spas |
|---|---|---|---|---|---|
| Sep 2026 | 38 | 0 | 3 | 0 | 0 |
| Aug 2026 | 95 | 1 | 4 | 1 | 0 |
| Jul 2026 | 92 | 0 | 4 | 0 | 3 |
| Jun 2026 | 106 | 2 | 1 | 1 | 0 |
| May 2026 | 81 | 0 | 5 | 0 | 1 |
| Apr 2026 | 89 | 1 | 8 | 0 | 0 |
| Mar 2026 | 73 | 0 | 2 | 0 | 0 |
| Feb 2026 | 78 | 0 | 9 | 0 | 1 |
| Jan 2026 | 76 | 10 | 8 | 0 | 0 |
| Dec 2025 | 0 | 0 | 0 | 0 | 0 |
| Nov 2025 | 0 | 0 | 0 | 0 | 0 |
| Oct 2025 | 0 | 0 | 0 | 0 | 0 |
By work type
| Work type | Permits (12 mo) |
|---|---|
| Reroofs | 14 |
| Remodels & additions | 44 |
| ADUs | 2 |
| Pools & spas | 5 |
| Water heaters | 6 |
| Repipes | 3 |
| New construction | 0 |
Common questions about Mill Valley permits
How many homes in Mill Valley replaced their roof this year?
14 reroof permits were issued in Mill Valley in the last 12 months. Each one is a home whose roof — a major factor in what a homeowners policy costs and whether a carrier will write it at all — was replaced on a specific, documented date.
How many ADUs were permitted in Mill Valley?
2 accessory dwelling unit permits were issued over the last 12 months.
Are these numbers official?
They're compiled directly from Mill Valley's own permit system — the same public records the city publishes — normalized and categorized by work type, refreshed nightly.
Other California cities
Work these permits. OneForm turns any of these lists into print-ready postcards with per-address QR tracking, under your own name and license number — so you know which addresses responded.
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