Access 91,343 building permits issued in Whatcom County, Washington through a single REST API, normalized into a consistent schema. Data through August 31, 2026.
Most common permit types issued in the last year.
Drill into the most common permit categories in Whatcom County.
The most active contractors by permit volume in Whatcom County, with a profile of each one's permit history. Counts are permits we hold for Whatcom County.
Every permit we hold for one Whatcom County address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.
The 10 most recent permits issued in Whatcom County, Washington. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-08-31 | FIRE-CON2026-00076 | 9721 BLACKTAIL LN | Addition | NFPA 13D Fire sprinkler system installation in an existing and new addition to a r... |
| 2026-08-31 | SFR2026-00028 | 4539 NOEL ST | New construction | New single family residence with attached garage |
| 2026-08-31 | COM2026-00088 | 136 SMOKEY DR | Solar | Roof mounted solar electrical system |
| 2026-08-31 | SFR2026-00258 | 530 E WISER LAKE RD | Addition | Addition to existing SFR |
| 2026-08-31 | SFR2026-00214 | 1235 SUNSET AVE | Addition | new, 24'x28' garage addition. 684 SqFt. Non-Heated. |
| 2026-08-31 | SFR2026-00238 | 3505 E SMITH RD | Addition | Deck addition to existing SFR. Uncov Porch/Deck-500sf |
| 2026-08-31 | SFR2026-00277 | — | New construction | New SFR |
| 2026-08-28 | MOB2026-00020 | 4500 DECATUR DR | Renovation | Replacement, w/lu, manufactured home 24'x48' 3 Bed 2 Bath 1152sf |
| 2026-08-28 | SFR2026-00027 | 4541 NOEL ST | New construction | New single family residence with attached garage |
| 2026-08-27 | FIRE-CON2026-00083 | 1395 PARK LN | Fire alarm | New NFPA 13D residential sprinkler system |
Query Whatcom County, Washington permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Whatcom County permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Whatcom%20County&state=WA&issued_after=2026-09-06"
The official record sets behind this page, with the date each one's data runs through.
| Record set | Source | Permits | Data through | Note |
|---|---|---|---|---|
| Permits | EnerGov permit portal | 91,343 | 2026-08-31 | Upstream access blocked since 2026-08-18 (49d) — the host refuses our requests (HTTP 403); we cannot confirm whether the source itself has stopped. |
Related coverage in Washington and nationwide.
We ingest Whatcom County's official permit records directly from the jurisdiction's own permit portal and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Whatcom County, Washington is dated August 31, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Upstream access blocked since 2026-08-18 (49d) — the host refuses our requests (HTTP 403); we cannot confirm whether the source itself has stopped.
Yes — search Whatcom County permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.
The median time from permit filing to issuance in Whatcom County, Washington is 2 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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