2026 Property Tax Due Dates
April 30
First half
October 31
Second half
Payment Methods
Online, Mail, In-Person
Okanogan County Treasurer
Treasurer
Pam Johnson
Phone
(509) 422-7180Mailing Address
PO Box 111, Okanogan, WA 98840
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Okanogan County Treasurer — PO Box 111, Okanogan, WA 98840
In Person
Visit the Treasurer's office — 149 North 3rd, Room 201, Okanogan WA 98840, Mon-Fri 8am - 5pm
Other Counties in Washington
About Okanogan County
Okanogan County is a county located in the U.S. state of Washington along the Canada–U.S. border. As of the 2020 census, the population was 42,104. The county seat is Okanogan, while the most populous city is Omak.
Source: Wikipedia — content available under CC BY-SA 4.0
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.