2026 Property Tax Due Dates
Due Date
December 31
Full payment
Penalty: Up to 25% penalty first yearGrace period: None
Payment Methods
Online, Mail, In-Person
Barton County Treasurer
Phone
(417) 682-5881How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Barton County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Missouri
About Barton County
Barton County is a county located in the southwestern part of the U.S. state of Missouri. As of the 2020 census, the population was 11,637. Its county seat is Lamar.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.