2026 Property Tax Due Dates
Installment 1
April 30
First half
Installment 2
October 31
Second half
Penalty: 3% June 1, +8% December 1Grace period: None
Payment Methods
Online, Mail, In-Person
Franklin County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Franklin County Treasurer
In Person
Visit the Treasurer's office — 1016 N 4th Avenue, Pasco WA 99301, Mon-Fri 8am - 5pm
Other Counties in Washington
About Franklin County
Franklin County is a county located in the U.S. state of Washington. As of the 2020 census, its population was 96,749, and was estimated to be 101,238 in 2024. The county seat and largest city is Pasco.
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.