Access 47,052 building permits issued in Marin County, California through a single REST API. Refreshed daily from the official Marin County open data portal and normalized into a consistent schema.
Most common permit types issued in the last year.
Drill into the most common permit categories in Marin County.
Most active contractors by permit volume in Marin County.
The 10 most recent permits issued in Marin County, California. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-06-17 | 181933 | 543 NORTHERN AVE, MILL VALLEY, CA 94941 | Addition | Conversion Of (E) Garage To A D U, Addition To A D Ut.D. 2-20-26 |
| 2026-06-17 | 181881 | 162 WOLFE GRADE, GREENBRAE, CA 94904 | Renovation | Replace And Add Retaining Walls |
| 2026-06-16 | 181909 | 214 POPLAR DR, KENTFIELD, CA 94904 | Interior remodel | Rmdl Kitchen, Bathrooms, Laundry. Replace Elec Main And Sub Panels. Replace Firepl... |
| 2026-06-16 | 181923 | 865 AUTUMN LN, MILL VALLEY, CA 94941 | Renovation | Replace Structural Beam With A New Single Beam. |
| 2026-06-16 | 181920 | 50 ARCHIBALD LN, NOVATO, CA 94945 | Demolition | Interior Demo Only |
| 2026-06-16 | 181884 | 98 GRANDE PASEO, SAN RAFAEL, CA 94903 | Roofing | Roof deck parapet repairs HVAC removal reset |
| 2026-06-16 | 181922 | 2235 JUNIPERBERRY DR, SAN RAFAEL, CA 94903 | Interior remodel | Replace Kitchen And Living Room Windows & Door Along Column Grid Line 4. |
| 2026-06-15 | 181901 | 241 TRINIDAD DR, TIBURON, CA 94920 | Pool | Pergola, Retaining Wall, Spa, Patio Enlargement, Fire Pit Replacement |
| 2026-06-15 | 181910 | 8 HILLSIDE AVE, KENTFIELD, CA 94904 | Addition | Addition @ Rear With Covered Porch; Raise Kitchen Ceiling |
| 2026-06-12 | 181823 | 125 PORTOLA AVE, LAGUNITAS, CA 94938 | Other | 3.9 K W Ground Mounted P V System |
Query Marin County, California permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Marin County permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Marin%20County&state=CA&issued_after=2026-04-01"
Related coverage in California and nationwide.
We ingest data directly from the official Marin County open data portal (Tyler Data & Insights (Socrata)) daily. This is the same source used by the city's own public dashboards, normalized into a consistent JSON schema across our U.S. jurisdictions.
Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Marin County, California was issued on June 17, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.
Yes — our free tier includes 100 requests per day, enough to search and filter Marin County permits interactively. Sign up for a free API key to get started.
Yes. Paid plans support CSV export and periodic webhooks for changed permits.
Most Marin County permits are issued on the same day they are filed, reflecting electronic submission and same-day processing for routine permit types. Larger or more complex projects (new construction, major additions) often take longer.
Free tier covers 100 requests per day. No credit card required.
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