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Carter County Property Tax Due Date

Oklahoma

(580) 223-9467

2026 Property Tax Due Dates

Official Source
Installment 1

December 31

Full or first half

Installment 2

March 31

Second half (if split)

Pay Taxes Online →
Penalty: Penalty and interest after Jan 1Grace period: None

Payment Methods

Online, Mail, In-Person

Carter County Treasurer

How to Pay

Online

Pay using credit card or e-check

Visit Website →

By Mail

Mail check payable to Carter County Treasurer

Visit Website →

In Person

Visit the Treasurer's office

Visit Website →

About Carter County

Carter County is a county in the U.S. state of Oklahoma. As of the 2020 census, the population was 48,003. Its county seat is Ardmore.

Source: Wikipedia — content available under CC BY-SA 4.0

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.