2026 Property Tax Due Dates
April 30
First half
October 31
Second half
Payment Methods
Online, Mail, In-Person
Garfield County Treasurer
Treasurer
Tammy Summers
Phone
(509) 843-1531Fax
(509) 843-3941
Mailing Address
PO Box 340
Pomeroy, WA 99347
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Garfield County Treasurer — PO Box 340, Pomeroy WA 99347
In Person
Visit the Treasurer's office — 789 Main St, Pomeroy WA 99347, Mon-Fri 8:30am - 5pm
Other Counties in Washington
About Garfield County
Garfield County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 2,286, making it the least populous county in Washington; with about 3.2 inhabitants per square mile (1.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.