2026 Property Tax Due Dates
April 30
First half
October 31
Second half
Payment Methods
Online, Mail, In-Person
Brown County Treasurer
Phone
(605) 626-7133How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Brown County Treasurer
In Person
Visit the Treasurer's office — 25 Market St. Suite #2, Aberdeen SD 57401
Other Counties in South Dakota
About Brown County
Brown County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 38,301, making it the fourth most populous county in South Dakota, and was estimated to be 37,495 in 2024. Its county seat is Aberdeen.
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.