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Many King County facilities are closed to the public, and many services are being offered remotely. Learn more about changes and cancellations.  
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Call, write, e-mail, fax, or visit our office. We are available by appointment, or on a first come/first served basis. Our office hours are Monday-Friday, 8:30 a.m. - 4:30 p.m

Tax Advisor Office
Dexter Horton Building
710 Second Avenue, Suite 790
Seattle, WA 98104

Telephone: 206-477-1060
Toll Free: 1-800-325-6165
TTY Relay: 711
Fax: 206-296-0948
e-mail: taxadvisor@kingcounty.gov

Property Tax Related Telephone Numbers

Tax Advisor Office

206-477-1060

Board of Equalization

206-477-3400

Assessor's Office



Public Information

206-296-7300

Exemptions:

Senior Citizen & Disabled

206-296-3920

Home Improvement

206-263-2338

Farm/Forest/Open Space

206-263-2374

Destroyed Property

206-263-2332

Natural Resources



Exemptions:



Public Benefit Rating System/
Timber/Open Space

206-477-4643

Recorder's Office

206-296-1570

Treasury



Automated Tax Information

206-296-0923

Property Tax Payments and Billing

206-263-2890

Property Tax Foreclosure

206-263-2649

Appeal Refunds

206-263-1934

Other Refunds

206-263-1933

TTY (for hearing impaired)

1-866-788-5446

State Board of Tax Appeals

1-866-788-5446

State Department of Revenue

360-570-5900

800-647-7706

If calling King County long distance, please dial the county's toll-free number 1-800-325-6165, and enter the last five digits of the agency number as the extension.