Access 1,501 building permits issued in Washington, Illinois through a single REST API. Refreshed daily from the official Washington open data portal and normalized into a consistent schema.
Most common permit types issued in the last year.
The 10 most recent permits issued in Washington, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| No recent permits. | ||||
Query Washington, Illinois permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Washington permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Washington&state=IL&issued_after=2026-04-01"
Related coverage in Illinois and nationwide.
We ingest data directly from the official Washington 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 Washington, Illinois 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 Washington permits interactively. Sign up for a free API key to get started.
Yes. Paid plans support CSV export and periodic webhooks for changed permits.
Most Washington 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