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Our normal business hours are Monday through Friday, 8:30 a.m. to 4:30 p.m. Customer service representatives are available by phone at 206-263-2890. If an interruption in service occurs during non-business hours, the problem will be addressed at the beginning of the next business day. We apologize in advance for any inconvenience.

If you encounter a technical problem while using this site, please leave a comment here. Include the parcel/account number or property address in your comment. Enter a valid email address as we will use this information to respond to your inquiry. We will make every effort to respond to your email within two business days.

King County Treasury Operations, King Street Center 201 S. Jackson St, Suite 710, Seattle, WA 98104

Property Tax Information and Customer Service------------206-263-2890 ----
Mobile Homes/Commercial Personal Property------------- 206-263-2844 ----
Tax Foreclosures -------------------------------------------------- 206-263-2649 ----
Maintenance Assessment Mgmt Systems/Local Improvement Districts  206-263-1893---