2026 Property Tax Due Dates
Due Date
October 15
Full payment
Penalty: 10% penalty + $1.50-$1.75 advertising feeGrace period: None
Payment Methods
Online, Mail, In-Person
Union County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Union County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Arkansas
About Union County
Union County is a county located on the central southern border of the U.S. state of Arkansas. As of the 2020 census, the population was 39,054. The county seat is El Dorado.
Source: Wikipedia — content available under CC BY-SA 4.0
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.