Access 190,632 building permits issued in Seattle, Washington through a single REST API. Refreshed daily from the official Seattle 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 Seattle.
Most active contractors by permit volume in Seattle.
The 10 most recent permits issued in Seattle, Washington. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-07-31 | 7156118-RR | 4006 A CALIFORNIA AVE SW | Renovation | We are going to remove the current composition shingles. We will replace any decki... |
| 2026-07-31 | 7155146-CN | 7527 23RD AVE NW | Other | Construct interior alterations to a one-family dwelling subject to field inspection |
| 2026-07-31 | 7155952-CN | 920 DEXTER AVE N | Interior remodel | Construct interior cosmetic remodel of existing commercial space subject to field... |
| 2026-07-31 | 7156056-RR | 749 N 101ST ST | Roofing | Residential reroof with plywood replacement and Owens Corning shingles |
| 2026-07-31 | 7095876-CN | 11238 DAYTON AVE N | Other | Construct NE one-family dwelling per plan. (Establish use as single family reside... |
| 2026-07-31 | 7145147-CN | 8041 19TH AVE NE | Other | Remove and Construct new Shed per STFI |
| 2026-07-31 | 7045199-CN | 1421 36TH AVE S | Other | Construct site work retaining walls deck stairs and carport per plans |
| 2026-07-31 | 7132172-CN | 2124 8TH AVE W | Renovation | Remove detached garage and replace with new garage subject to field inspection. |
| 2026-07-31 | 7095875-CN | 11240 DAYTON AVE N | Other | Construct NW one-family dwelling per plan. (Establish use as single family reside... |
| 2026-07-31 | 7085507-CN | 11234 DAYTON AVE N | Other | Construct SW one-family dwelling per plan. (Establish use as single family reside... |
Query Seattle, Washington permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Seattle permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Seattle&state=WA&issued_after=2026-04-01"
Related coverage in Washington and nationwide.
We ingest data directly from the official Seattle 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 Seattle, Washington was issued on July 31, 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 Seattle permits interactively. Sign up for a free API key to get started.
Yes. Paid plans support CSV export and periodic webhooks for changed permits.
The median time from permit filing to issuance in Seattle, Washington is 50 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.
Get Free API Key