Access 190,314 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.
The 10 most recent permits issued in Seattle, Washington. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-06-18 | 7101228-CN | 404 N 105TH ST | Other | Construct alterations to existing monopole per plan. |
| 2026-06-18 | 7109700-CN | 4115 ROOSEVELT WAY NE | Roofing | Construct alterations to minor telecommunications facility (AT&T) at the roof ... |
| 2026-06-18 | 7147879-CN | 233 NW 48TH ST | Other | Construct alterations to one family dwelling subject to field inspection STFI. |
| 2026-06-18 | 7148679-CN | 8103 30th AVE SW | Interior remodel | Construct interior non-structural alterations to convert lower level office to be... |
| 2026-06-18 | 7105690-CN | 1959 NE PACIFIC ST | Mechanical | Construct interior alterations to laboratory on level 01 for UW Medical Center pe... |
| 2026-06-18 | 7130740-CN | 1250 HARRISON ST | Interior remodel | Construct tenant improvements for a fitness gym on first floor of a mixed-use buil... |
| 2026-06-18 | 7114992-CN | 10727 A PALATINE AVE N | Other | Construct new two family dwelling per plan. (Establish use as townhouse per land ... |
| 2026-06-18 | 7130001-CN | 10727 C PALATINE AVE N | Other | Construct new one family dwelling per plan. (Establish use as townhouse per land ... |
| 2026-06-18 | 6882351-CN | 3608 COURTLAND PL S | Other | Construct west 4-unit townhouse building and occupy per plans. (Establish use as... |
| 2026-06-18 | 7136519-CN | 7344 35TH AVE SW | Other | Construct alterations to convert unheated basement to additional classroom facilit... |
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 June 18, 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 51 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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