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
Custer County Treasurer
Phone
(580) 323-2292How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Custer County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Oklahoma
About Custer County
Custer County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 28,513. Its county seat is Arapaho.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 20,160 minutes 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.