King County property record offices

Assessor, Treasurer, Auditor and GIS / Mapping offices for King County, Washington, with a link to each office's official website or records search.

King County Assessor

Assessor property search

Phone: (206) 296-7300

King County Treasurer

Treasurer property search

Phone: (206) 263-2890

King County Auditor

Auditor property search

Phone: (206) 477-6620

King County GIS / Mapping

GIS / Mapping property search

King County 2026 loan limits

1 unit: conforming $1,063,750, FHA $1,063,750

2 units: conforming $1,361,800, FHA $1,361,800

3 units: conforming $1,646,100, FHA $1,646,100

4 units: conforming $2,045,700, FHA $2,045,700

Metro area: SEATTLE-TACOMA-BELLEVUE, WA. Median price: $925,000

Washington statewide resources

Washington statewide GIS Washington taxation