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
Buchanan County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Buchanan County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Missouri
About Buchanan County
Buchanan County is located in the U.S. state of Missouri. As of the 2020 United States census, the population was 84,793. Its county seat is St. Joseph.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.