2026 Property Tax Due Dates
March 1
First half (5% discount if paid by Feb 15)
October 15
Second half
Payment Methods
Online, Mail, In-Person
Sioux County Treasurer
Phone
(701) 854-3853How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Sioux County Treasurer
In Person
Visit the Treasurer's office
Other Counties in North Dakota
About Sioux County
Sioux County is a county located along the southern border of the U.S. state of North Dakota. As of the 2020 census, the population was 3,898, and was estimated to be 3,713 in 2024. Its eastern border is the Missouri River and the county seat is Fort Yates.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
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.