Mason County property record offices

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

Mason County Assessor

Assessor property search

Phone: (360) 427-9670 491

Mason County Treasurer

Treasurer property search

Phone: (360) 427-9670 475

Mason County Auditor

Auditor property search

Phone: (360) 427-9670 471

Mason County GIS / Mapping

GIS / Mapping property search

Mason County 2026 loan limits

1 unit: conforming $832,750, FHA $541,287

2 units: conforming $1,066,250, FHA $693,050

3 units: conforming $1,288,800, FHA $837,700

4 units: conforming $1,601,750, FHA $1,041,125

Metro area: SHELTON, WA. Median price: $355,000

Washington statewide resources

Washington statewide GIS Washington taxation