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Building Permits in Marin County, California

Access 46,805 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.

46,805
Total permits
4,112
Last 12 months
99
Last 30 days
-68%
vs same period prior year
Jun 5, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

Roofing
551
Solar
392
HVAC
389
Renovation
347
Electrical
316
Plumbing
209
Interior remodel
206
Pool
43
Addition
42
Foundation
39

Most recent permits

The 10 most recent permits issued in Marin County, California. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
2026-05-15181687121 DRAKE AVE (121 - 135), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows
2026-05-151816971 COLE DR (1 - 15), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows
2026-05-15181689161 DRAKE AVE (161 - 175), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows
2026-05-15181696281 DRAKE AVE (281 - 287), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows
2026-05-15181695261 DRAKE AVE (261 - 275), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows
2026-05-15181692221 DRAKE AVE (221 - 227), SAUSALITO, CA 94965RoofingMajor remodel upgrade rooms utilities roof siding doors
2026-05-15181691201 DRAKE AVE (201 - 215), SAUSALITO, CA 94965RoofingMajor remodel upgrade rooms utilities roof siding doors
2026-05-15181688141 DRAKE AVE (141 - 155), SAUSALITO, CA 94965RoofingMajor remodel upgrade rooms utilities roof siding doors
2026-05-15181693231 DRAKE AVE (231 - 245), SAUSALITO, CA 94965RoofingMajor remodel upgrade rooms utilities roof siding doors
2026-05-15181686101 DRAKE AVE (101 - 115), SAUSALITO, CA 94965RoofingMajor commercial building remodel with roof siding doors windows

Access Marin County permit data via API

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"

Other cities we cover

Related coverage in California and nationwide.

FAQ

Where does PermitStack get Marin County permit data?

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.

How current is the Marin County data?

Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Marin County, California was issued on June 5, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.

Can I access Marin County permits without an API key?

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.

Can I export Marin County permit data?

Yes. Paid plans support CSV export and periodic webhooks for changed permits.

How long does a Marin County building permit take to issue?

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.

Get Marin County permit data in your app today

Free tier covers 100 requests per day. No credit card required.

Get Free API Key