2026 Property Tax Due Dates
Installment 1
December 31
Full or first half
Installment 2
March 31
Second half (if split)
Penalty: Penalty and interest after Jan 1Grace period: None
Payment Methods
Online, Mail, In-Person
Grant County Treasurer
Phone
(580) 395-2284How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Grant County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Oklahoma
About Grant County
Grant County is a county located on the northern border of the U.S. state of Oklahoma. As of the 2020 census, the population was 4,169. Its county seat is Medford.
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.