Access 91,331 building permits issued in Whatcom County, Washington through a single REST API. Refreshed daily from the official Whatcom County 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 Whatcom County.
Most active contractors by permit volume in Whatcom County.
The 10 most recent permits issued in Whatcom County, Washington. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-08-06 | PLB-R2026-00111 | 4010 AVA | Plumbing | Replacing Hot Water Tank, Like-for-Like |
| 2026-08-06 | MECR2026-00602 | 8774 CHAREL | Mechanical | Replace existing AC |
| 2026-08-06 | MECR2026-00607 | 1459 SUNNYBROOK | HVAC | Furnace and AC replacement |
| 2026-08-06 | MECR2026-00609 | 5359 NOOTKA | HVAC | LIKE FOR LIKE FURNACE CHANGEOUT |
| 2026-08-06 | MECR2026-00610 | 5459 TSAWWASSEN | HVAC | Replace furnace |
| 2026-08-06 | MECR2026-00604 | 5471 TSAWWASSEN | Mechanical | Gas Fireplace NEW - 1 |
| 2026-08-06 | MECR2026-00606 | 2885 COLEBROOKE | Plumbing | Replace Like in Kind LP Water Heater |
| 2026-08-06 | MECR2026-00608 | 4714 SUCIA | HVAC | ductless heat pump addition |
| 2026-08-06 | MECR2026-00605 | 4312 CORDERO | HVAC | Replacing furnace like for like and adding an air conditioner. |
| 2026-08-06 | MECR2026-00603 | 3845 PINCHER | Plumbing | Hot Water Heater NEW - 1 |
Query Whatcom County, Washington permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Whatcom County permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Whatcom%20County&state=WA&issued_after=2026-04-01"
Related coverage in Washington and nationwide.
We ingest data directly from the official Whatcom County 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 Whatcom County, Washington was issued on August 6, 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 Whatcom County 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 Whatcom County, Washington is 1 day, 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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