State directory
Property tax resources in Washington
Browse 39 county-level administrative profiles. Each profile brings together the local valuation authority, property lookup tools, collection channel, and 2026 relief and appeal guidance.
County directory
Every Washington county in one view
Sorted alphabetically for fast field use.
CountyResponsible officeAuthority
Adams County53001Adams County Assessor; Adams County Treasurer collects property taxesCounty AssessorView profile Asotin County53003Asotin County Assessor; Asotin County Treasurer collects property taxesCounty AssessorView profile Benton County53005Benton County Assessor; Benton County Treasurer collects property taxesCounty AssessorView profile Chelan County53007Chelan County Assessor; Chelan County Treasurer collects property taxesCounty AssessorView profile Clallam County53009Clallam County Assessor; Clallam County Treasurer collects property taxesCounty AssessorView profile Clark County53011Clark County Assessor; Clark County Treasurer collects property taxesCounty AssessorView profile Columbia County53013Columbia County Assessor and TreasurerCounty AssessorView profile Cowlitz County53015Cowlitz County Assessor and TreasurerCounty AssessorView profile Douglas County53017Douglas County Assessor and TreasurerCounty AssessorView profile Ferry County53019Ferry County Assessor and TreasurerCounty AssessorView profile Franklin County53021Franklin County Assessor and TreasurerCounty AssessorView profile Garfield County53023Garfield County Assessor and TreasurerCounty AssessorView profile Grant County53025Grant County Assessor and TreasurerCounty AssessorView profile Grays Harbor County53027Grays Harbor County Assessor and TreasurerCounty AssessorView profile Island County53029Island County Assessor and TreasurerCounty AssessorView profile Jefferson County53031Jefferson County Assessor and TreasurerCounty AssessorView profile King County53033King County Department of Assessments; King County Treasury collects property taxesCounty AssessorView profile Kitsap County53035Kitsap County Assessor; Kitsap County Treasurer collects property taxesCounty AssessorView profile Kittitas County53037Kittitas County Assessor; Kittitas County Treasurer collects property taxesCounty AssessorView profile Klickitat County53039Klickitat County Assessor; Klickitat County Treasurer collects property taxesCounty AssessorView profile Lewis County53041Lewis County Assessor; Lewis County Treasurer collects property taxesCounty AssessorView profile Lincoln County53043Lincoln County Assessor; Lincoln County Treasurer collects property taxesCounty AssessorView profile Mason County53045Mason County Assessor; Mason County Treasurer collects property taxesCounty AssessorView profile Okanogan County53047Okanogan County Assessor; Okanogan County Treasurer collects property taxesCounty AssessorView profile Pacific County53049Pacific County Assessor; Pacific County Treasurer collects property taxesCounty AssessorView profile Pend Oreille County53051Pend Oreille County Assessor; Pend Oreille County Treasurer collects property taxesCounty AssessorView profile Pierce County53053Pierce County Assessor-TreasurerCounty AssessorView profile San Juan County53055San Juan County Assessor; San Juan County Treasurer collects property taxesCounty AssessorView profile Skagit County53057Skagit County Assessor; Skagit County Treasurer collects property taxesCounty AssessorView profile Skamania County53059Skamania County Assessor; Skamania County Treasurer collects property taxesCounty AssessorView profile Snohomish County53061Snohomish County Assessor; Snohomish County Treasurer collects property taxesCounty AssessorView profile Spokane County53063Spokane County Assessor; Spokane County Treasurer collects property taxesCounty AssessorView profile Stevens County53065Stevens County Assessor; Stevens County Treasurer collects property taxesCounty AssessorView profile Thurston County53067Thurston County Assessor; Thurston County Treasurer collects property taxesCounty AssessorView profile Wahkiakum County53069Wahkiakum County Assessor; Wahkiakum County Treasurer collects property taxesCounty AssessorView profile Walla Walla County53071Walla Walla County Assessor & TreasurerCounty AssessorView profile Whatcom County53073Whatcom County Assessor's OfficeCounty AssessorView profile Whitman County53075Whitman County AssessorCounty AssessorView profile Yakima County53077Yakima County Assessor's OfficeCounty AssessorView profile