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NOTE Due to an infrastructure upgrade, the online payment option will not be available for use commencing Saturday, September 21st between the hours of 12:00pm PST and 3:00am PST on September 22nd. The length of the outage is approximate and subject to change. Thank you for your patience.

Property Tax Information and Customer Service
206-263-2890 PropertyTax.CustomerService@kingcounty.gov 

Mobile Homes/Commercial Personal Property
206-263-2844 Treasury.PersonalProperty@kingcounty.gov

Tax Foreclosures
206-263-2649 TaxForeclosures@kingcounty.gov

Maintenance Assessment Management Systems
Local Improvement Districts
206-263-1893 mams.lid@kingcounty.gov

TTY Relay 711