2026 Property Tax Due Dates
Installment 1
April 30
First half
Installment 2
October 31
Second half
Penalty: 10% annual (0.833% monthly)Grace period: None
Payment Methods
Online, Mail, In-Person
Mellette County Treasurer
Phone
(605) 259-3050Mailing Address
PO Box 228
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Mellette County Treasurer — PO Box 228
In Person
Visit the Treasurer's office — 311 E 4th St., White River SD 57579
Other Counties in South Dakota
About Mellette County
Mellette County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,918. Its county seat is White River.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 20,160 minutes 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.