WA · updated 2026-07-29

Washington property data

3,179,724 properties mapped across 1 Washington counties, 294,341 of them carrying linked permit, violation, sale, or event records. These are the live map's own counts, not estimates. Statewide permit totals by jurisdiction are on the coverage page.

3,179,724
Properties mapped
294,341
With linked records (9.3%)
1
Counties covered
Parcel-first
Coverage tier

Counties

CountyPropertiesWith recordsLinked shareTier
3,179,724294,3419.3%Parcel-first

What is in the Washington data

Every property above sits on the owned parcel layer (92M parcels nationally) and is joined to whichever record classes exist for its jurisdiction: building permits, code violations, complaints, deeds and sales, assessments, and certificates of occupancy. Per-county parcel-match rates are published openly on the data quality page.

Building permits · 47.1M+Parcels · 92MCode violations · 22.9MComplaints & 311 · 25.1MDeeds & sales · 33.4MAssessments · 85MCertificates of occupancy · 1.6MContractors · 3.3MHearings & penalties · 13.1MGovernment decisions · 2.37M

Other states

AlabamaArizonaArkansasCaliforniaColoradoFloridaIdahoIllinoisIndianaMarylandMassachusettsMinnesotaMississippiMissouriNebraskaNevadaNew JerseyNew YorkNorth CarolinaOhioPennsylvaniaTennesseeTexasUtahWisconsin
Get Washington property data
Delivered through the web app, the REST API, or a bulk license. Look up any single property free on the report page.
See pricingAPI docs