Access 152,634 building permits issued in San Mateo, California through a single REST API. Refreshed daily from the official San Mateo 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 San Mateo.
Most active contractors by permit volume in San Mateo.
The 10 most recent permits issued in San Mateo, California. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-08-07 | MEP-2026-304081 | 511 S ELDORADO ST | Electrical | DUPLEX: SEWER LATERAL REPLACEMENT FROM THE FRONT OF THE HOUSE TO THE MIDDLE OF THE... |
| 2026-08-07 | FR-2026-304066 | 2708 TIBURON ST | Fire alarm | Installation of a new NFPA 13D automatic fire sprinkler system. 30 sprinkler heads... |
| 2026-08-07 | BD-2026-304082 | 15 ROLLING HILLS AVE | Roofing | TEAR OFF EXISTING ASHALT SHINGLES AND REPLACE WITH NEW CLASS A ASPHALT SHINGLES @ ... |
| 2026-08-07 | MEP-2026-304077 | 2 WHITECLIFF CT | HVAC | REPLACE GAS FURNACE IN SAME LOCATION (GARAGE). |
| 2026-08-07 | BD-2026-304062 | 49 36TH AVE | Roofing | TPO Overlay of 106sq- Clean and prep roof to mechanically fastened Johns Manville ... |
| 2026-08-07 | BD-2026-304057 | 1309 BIRCH AVE | Roofing | Re-Roof. Remove existing composition roof. Install partial sheathing. Install comp... |
| 2026-08-07 | MEP-2026-304085 | 614 OREGON AVE | Electrical | Install new building clean-out only in driveway within two feet of house foundatio... |
| 2026-08-07 | MEP-2026-304084 | 1314 ASHWOOD CT | Electrical | Installation of a 50A car charging outlet. |
| 2026-08-07 | MEP-2026-304079 | 723 COSTA RICA AVE | Electrical | Installation of a Temporary Power Pole and 100A meter at front right portion of lot. |
| 2026-08-07 | FR-2026-304067 | 2712 TIBURON ST | Fire alarm | Installation of a new NFPA 13D automatic fire sprinkler system. 30 sprinkler heads... |
Query San Mateo, California permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all San Mateo permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=San%20Mateo&state=CA&issued_after=2026-04-01"
Related coverage in California and nationwide.
We ingest data directly from the official San Mateo open data portal (the official city portal) 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 San Mateo, California was issued on August 7, 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 San Mateo 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.
The median time from permit filing to issuance in San Mateo, California is 4 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.
Free tier covers 100 requests per day. No credit card required.
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