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Washington

Building Permits in Whatcom County, Washington

Access 83,137 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.

83,137
Total permits
3,892
Last 12 months
401
Last 30 days
+34%
vs same period prior year
Jun 21, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

HVAC
699
New construction
509
Plumbing
349
Mechanical
286
Interior remodel
169
Renovation
165
Grading
109
Addition
102
Fire alarm
60
Roofing
56

Permit data by trade in Whatcom County

Drill into the most common permit categories in Whatcom County.

Most recent permits

The 10 most recent permits issued in Whatcom County, Washington. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
2026-06-21ENC2026-004071453 EDWARDSFenceReplace fence both sides of property along existing fence lines. Will be concrete ...
2026-06-20ENC2026-00406OtherConstruction of a driveway with parking area approximately 20'x23' with pi...
2026-06-20ENC2026-004051222 ISLANDGradingPlace culvert in ditch along Beach Ave side of property, 35' to 40' in len...
2026-06-19MECR2026-00474256 KLINEHVACReplacing furnace like for like and adding air conditioning
2026-06-19MECR2026-004753808 HATLEYHVACLIKE IN KIND FURNACE CHANGEOUT AND A/C ADD- TO BE HUNG ON BACK WALL OF GARAGE ON T...
2026-06-18ENC2026-004043599 BRECKENRIDGEOtherVerifying the location of driveway on site plan is sustainable
2026-06-18PLB-R2026-000852990 COVEPlumbingReplacing water heater like for like
2026-06-18MECR2026-004721775 WATERSIDEHVACLIKE IN KIND FURNACE CHANGEOUT & A/C ADD
2026-06-18MECR2026-004735 BOGEYHVACReplacing furnace like for like and adding air conditioner
2026-06-18ENC2026-004032996 BROOKOtherNew gravel residential access.

Access Whatcom County permit data via API

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"

Other cities we cover

Related coverage in Washington and nationwide.

FAQ

Where does PermitStack get Whatcom County permit data?

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.

How current is the Whatcom County data?

Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Whatcom County, Washington was issued on June 21, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.

Can I access Whatcom County permits without an API key?

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.

Can I export Whatcom County permit data?

Yes. Paid plans support CSV export and periodic webhooks for changed permits.

How long does a Whatcom County building permit take to issue?

The median time from permit filing to issuance in Whatcom County, Washington is 5 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.

Get Whatcom County permit data in your app today

Free tier covers 100 requests per day. No credit card required.

Get Free API Key