2026 Property Tax Due Dates
Installment 1
November 15
Full (3% discount) or first third
Installment 2
May 15
Third installment
Penalty: 1.333% monthly (16% annual)Grace period: None
Payment Methods
Online, Mail, In-Person
Benton County Treasurer
Phone
(541) 766-6855Office Hours
Mon-Fri 8am - 5pm
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Benton County Treasurer
In Person
Visit the Treasurer's office — 120 NW 4th St, Corvallis OR 97330, Mon-Fri 8am - 5pm
Other Counties in Oregon
About Benton County
Benton County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 95,184. Its county seat is Corvallis.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you a fortnight 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.