Access 47,628 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 |
|---|---|---|---|---|
| 2026-08-05 | 182295 | 8 LAUREL WAY, KENTFIELD, CA 94904 | Demolition | Demo (E) S F D & Det Garage |
| 2026-08-05 | 182301 | 1500 BUTTERFIELD RD, SAN ANSELMO, CA 94960 | Renovation | Replace Ground Mount P V System - 732.78 K W |
| 2026-08-04 | 182289 | 77 BOSQUE AVE, FAIRFAX, CA 94930 | Interior remodel | Remodel Garage - Add Bath; Windows, Flooring, Drywall |
| 2026-08-03 | 182291 | 115 MARINA BLVD, SAN RAFAEL, CA 94901 | Roofing | Re-Roof House And Garage. 2700 Sf. Class-A. Asphalt Shingles For Sloped Roof, Cool... |
| 2026-07-31 | 182282 | 323 SEYMOUR LN, MILL VALLEY, CA 94941 | Roofing | Gable roof covered gate entranceways construction |
| 2026-07-31 | 182283 | 323 SEYMOUR LN, MILL VALLEY, CA 94941 | Other | Wood Wall Near Parking Area |
| 2026-07-31 | 182280 | 323 SEYMOUR LN, MILL VALLEY, CA 94941 | Other | Concrete Retaining Walls With Stone Facing; Stone Retaining Walls; Stone & Woo... |
| 2026-07-31 | 182281 | 323 SEYMOUR LN, MILL VALLEY, CA 94941 | Other | Railings At Concrete Stairs |
| 2026-07-30 | 182269 | 41 FAIRWAY DR, SAN RAFAEL, CA 94901 | Solar | Install Solar Ground Mount W/ Microinverters. (2) 15kwh Batteries And 200a Subpane... |
| 2026-07-30 | 182270 | 15 FIR AVE, SAN GERONIMO, CA 94963 | Roofing | Demo Garage Walls & Roof; (N) S F D |
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 August 5, 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. CSV export is available on every plan, including free, with the row cap rising by tier. Real-time webhooks for changed permits are on the Developer plan and above.
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.
Get Free API Key