King County Property Search

Search free King County WA property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The King County Assessor is responsible for determining the value of property in order to determine King County property taxes. The King County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The King County Tax Assessor maintains current data on every parcel in the King County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the King County, WA. The King County Assessor’s Office can answer questions regarding King County property tax appeals and assessments, King County property tax rates and payment due dates.

King County Assessor's Office Seattle WA 500 4th Avenue 98104 206-296-7300


King County Auditors are responsible for maintaining accurate financial records on properties, including the appraisal and assessment of a property's value, which is used to determine King County property taxes. The King County Auditor’s Office collects data from on-site inspections, information submitted by owners, prior sales, and statistical analyses. The Auditor maintains current data on King County property value, owner information, inventories of parcels and structures, and parcel maps. The Office also provides property search databases for King County, WA.

Seattle Auditor Seattle WA 700 5th Avenue 98104 206-615-0555


The King County Clerk files important documents and preserves municipal records in order to maintain an archive of King County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in King County, Washington. The King County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including King County deeds, mortgages, and liens on properties.

Beaux Arts Village Town Clerk Beaux Arts Village WA 10550 Southeast 27th Street 98004 425-454-8580

Bellevue City Clerk Bellevue WA 450 110th Avenue Northeast 98004 425-452-6466

Enumclaw City Clerk Enumclaw WA 1339 Griffin Avenue 98022 360-825-3591

Federal Way City Clerk Federal Way WA 33325 8th Avenue South 98003 253-835-2540

Hunts Point Clerk Hunts Point WA 3000 Hunts Point Road 98004 425-455-1834

Kent City Clerk Kent WA 220 4th Avenue South 98032 253-856-5725

King County Clerk Seattle WA 516 3rd Avenue 98104 206-477-1020

Seattle City Clerk Seattle WA 600 4th Avenue 98104 206-684-8344

Shoreline City Clerk Shoreline WA 17500 Midvale Avenue North 98133 206-801-2230

Yarrow Point Town Clerk Bellevue WA 4030 95th Avenue Northeast 98004 425-454-6994


The King County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in King County, WA. The Office of Recorder of Deeds in King County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including King County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

King County Recorder of Deeds Seattle WA 500 4th Avenue 98104 206-477-6620


King County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including King County property taxes, property value assessments, and land transactions, as well as property sales and transfers in King County, Washington.

Auburn City Hall Auburn WA 25 West Main Street 98001 253-931-3043

Bellevue City Hall Bellevue WA 450 110th Avenue Northeast 98004 425-452-6800

Black Diamond City Hall Black Diamond WA 24301 Roberts Drive 98010 360-886-2560

Bothell City Hall Bothell WA 18305 101st Avenue Northeast 98011 425-486-3256

Carnation City Hall Carnation WA 4621 Tolt Avenue 98014 425-333-4192

Duvall City Hall Duvall WA 15535 Main Street Northeast 98019 425-788-1185

Federal Way City Hall Federal Way WA 33325 8th Avenue South 98003 253-835-7000

Issaquah City Hall Issaquah WA 1775 12th Avenue Northwest 98027 425-837-3007

Kirkland City Hall Kirkland WA 12421 Northeast 103rd Place 98033 425-822-2459

Maple Valley City Hall Maple Valley WA 22035 Southeast Wax Road 98038 425-413-8800

Medina City Hall Medina WA 501 Evergreen Point Road 98039 425-454-9222

Mercer Island City Hall Mercer Island WA 9611 Southeast 36th Street 98040 206-236-5300

North Bend City Hall North Bend WA 211 Main Avenue North 98045 425-888-1211

Pacific City Hall Pacific WA 100 3rd Avenue Southeast 98047 253-833-2856

Redmond City Hall Redmond WA 15670 Northeast 85th Street 98052 425-556-2900

Renton City Hall Renton WA 1055 South Grady Way 98057 425-430-6400

Sammamish City Hall Sammamish WA 801 228th Avenue Southeast 98075 425-898-0660

Seattle City Hall Seattle WA 600 4th Avenue 98104 206-684-8888

Skykomish City Hall Skykomish WA 119 4th Street North 98288 360-677-2388

Snoqualmie City Hall Snoqualmie WA 38624 Southeast River Street 98065 425-888-1555

Woodinville City Hall Woodinville WA 17301 133rd Avenue Northeast 98072 425-489-2700


The King County Treasurer and Tax Collector’s Office is responsible for the collection of King County property tax revenue. The Treasurer and Tax Collector maintains current King County property tax information including King County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in King County, Washington.

Hunts Point Treasurer Hunts Point WA 3000 Hunts Point Road 98004 425-455-1834

King County Treasurer's Office Seattle WA 500 4th Avenue 98104 206-296-0923

Seattle Treasurer Seattle WA 700 5th Avenue 98104 206-684-0242