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Island County > Treasurer


Island County Treasurer


The Island County Treasurer's Office in Coupeville, as well as the Camano Administration Building, is open to the public with safety and health precautions in effect.  At the present time masks are not required.  We practice limited entry and 6' distancing for the safety of staff and customers.  These same practices are observed at the Camano Administration Building.   

We encourage you to consider paying electronically - refer to "Paying Your Taxes Online" under "Property Taxes" in the menu at left.  There is no fee for paying by electronic check.

2022 Property Taxes are certified and statements were mailed February 24.  Any unpaid balances remaining from prior periods are delinquent.  Balance information is also posted on this website (see the Make a Payment link, above).

The due date for property taxes in Island County was April 30, 2022 and second half balances are due October 31.  Reminder postcards were sent June 8.

The property taxes you pay to the Island County Treasurer are redistributed to the State of Washington to fund public schools, the special purpose districts that provide your services (hospital districts, school districts, cities, fire districts, parks and recreation districts, diking districts, drainage districts, the library district, emergency medical services, etc.), and Island County (roads and public services).  These districts require tax revenues to continue operations and the provision of services to County residents. Additionally, many have outstanding bond issues with debt service payments due June 1 and December 1.  On behalf of the state and districts, we appreciate your prompt payments.

If you do not receive a tax statement by mail, request that one be emailed to you by completing this online form.  Failure to receive a statement by mail does not absolve the taxpayer of the responsibility to make timely payment per RCW 84.56.050.  Checks received without appropriate interest and/or penalties included will be applied as partial payments. 

      New - Sign up for emailed payment reminders and foreclosure auction information - link at bottom left of this page.

Office Hours:

REET HOURS: 9:00 am to 3:00 pm

Closed Legal Holidays


We are here to serve you.​​​​​

Calendar of Events

Our Treasurer

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Mailing Address:


Updates for Property



The Treasurer's office is currently looking for volunteers to assist during the busy tax season. Give 1 hour or 10​! Click below to begin the application.