Countywide coverage
Search current and historical parcel numbers throughout King County.
King County property records
A property record you can actually read.
Look up a King County parcel by number, tax account, or property address. See assessed values, permits, sales, property changes, and other records together.
In one place
Property records in context.
Follow a parcel through assessments, permits, sales, and recorded changes without jumping between separate files.
Easy to share
Every property has its own readable link.
Decades made navigable
Filter the timeline and jump directly to the years that matter.
Use records responsibly
Property research, not commercial prospecting.
Review individual property records in context, and verify consequential information with the official County sources.