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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

Did you know?

You can get King County property tax information 24 hours a day
You can request a tax bill, review your payment history, check your property characteristics, look at property sales, email the assessor, and print appeal forms online.

You don’t need a tax bill to pay your taxes
Call or go online to get the exact amount due. Write your parcel account number on the check and postmark it by the due dates, April 30 and October 31. You must pay the exact amount by the due dates to avoid penalties and interest even if you don’t get a bill.

You can’t appeal your tax bill, but you can appeal your assessed value
Generally, this must be done within 60 days of the mail date on the Official Property Value Notice.

Seniors and persons with disabilities may qualify for lower tax bills
If you are over 61 or disabled, with income under $35,000 a year, call for an application, 206-296-5202.

You may be able to reduce your taxes when you remodel your home
You must apply prior to the completion of the work. The exemption can reduce the additional taxable value of the improvement for three years.

Open space, timber or farmland
If you have open space, timber, or farmland, you may reduce your taxes if you qualify for an exemption.

Destroyed property
If your property has been fully or partially destroyed due to fire, flood, landside, etc. you may be eligible for reduced taxes.