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King County Executive
Dow Constantine

Second half of 2012 property taxes due


King County offers secure and convenient online payment system


King County property owners have until Wednesday, October 31 to pay the second half of their 2012 property taxes. After October 31, interest charges and penalties will be added to the tax bill. To make the process easier, King County provides several ways for property owners to pay their taxes quickly and conveniently.

Tax payments can be made:

  1. By mail if postmarked no later than October 31, 2012. Taxpayers should include their tax statement and write the property tax account number on their check or money order. Cash should not be sent through the mail.
  2. In person at the King County Administration Building, Room 600 - Treasury Operations, 500 Fourth Ave., Seattle, 98104, Monday through Friday between 8:30 a.m. and 4:30 p.m. On Wednesday, October 31, Treasury Operations will be open until 5 p.m.
  3. At King County Community Service Centers if paid by check for the exact amount due. Taxpayers can find the address, phone number, and operating hours of the center in their neighborhood by visiting
  4. Online using King County's convenient, secure online eTax application. Taxpayers may pay accounts with a credit card or an electronic debit from a checking account called an "e-Check."

The online option provides immediate payment confirmation for current year or delinquent year(s) property tax bills. To pay online or view property tax information, taxpayers can visit

For questions about missing tax statements or other tax payment information, contact King County Treasury Operations through its website at or by calling 206-296-0923.

Information on senior citizen exemption and deferral programs can be obtained from the King County Assessor's Office at 206-296-3920.

King County Executive
Dow Constantine
Dow constantine portrait

Read the Executive's biography