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All unpaid 2018 property tax payments are past due.  Pay now to avoid further charges by paying your taxes online using our safe, secure eCommerce system.

Need help? Check our Frequently Asked Questions (FAQ), call 206-263-2890, or email propertytax.customerservice@kingcounty.gov.

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Be aware that the accuracy of the information you are accessing may be affected by pending payments or other changes. Therefore, King County Treasury Operations cannot warrant the accuracy, reliability, or timeliness of this information, and shall not be held liable for losses caused by using this information. Any person or entity that relies on any information obtained from this system does so at their own risk.

Sign up for a property tax reminder

Get an email or text message reminder roughly 30 days before the property tax payment deadlines of April 30 and October 31.

Manage your account, or unsubscribe from text or email alerts.

Disclaimer:

This service is only a reminder of King County property tax payment deadlines. If the message doesn't reach you for any reason, you're still required to pay your property taxes on time. Fees will be added to late property tax payments. King County is not at fault for late payments, even if this notice fails to send, or is never received.

King County Treasury Operations will only use the email address or cell phone number you provide to send you property tax deadline reminders. The King County Privacy Policy explains how we handle the information you give us.

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