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Property Tax Advisor Office
401 Fifth Avenue, Rm 135
Seattle, WA 98104

Telephone: 206-263-9700
Toll Free: 1-800-325-6165 ext. 3-9700
TTY: 206-293-9242
Fax: 206-296-0948
taxadvisor@kingcounty.gov

Related links

One path to your property records
Find information on your parcel and links for your area report, glossary of terms, property characteristics, value history, characteristic corrections, tax bill, excise tax affidavits and parcel map.

Property account/parcel numbers
Search any address for property account/parcel number. For condominiums and raw land, call 206-296-7300.

Real property tax bills and payment records
Search for your property tax information.

Exemptions and deferral information
Search the various property tax exemptions.

Assessor’s valuation process
Describes the manner in which residential and commercial property assessed values were determined this year.

Comparable sales with eSales search
Search for comparable sales using a variety of criteria.

General assessment information
Commonly-asked questions and answers provide an overview of the Assessor's responsibilities. 

Appeal petitions and procedures
Real Property Petition Form
Appeals to the Board of Equalization for answers to frequently asked questions

Mapping a parcel
Parcel Viewer Search by Parcel Number, Street Address, Street Intersection

Deeds, liens, easements, excise tax affidavits via records search

WA State board of tax appeal petitions and procedures
Appealing you local Board's determination.

WA State department of revenue
General property tax topics, laws and rules