When are property taxes due in Brown County, South Dakota?

Brown County property taxes are due April 30. A second installment is due October 31. This deadline applies to all counties in South Dakota.

What is the penalty for late property tax payment in Brown County, South Dakota?

The late payment penalty in Brown County is 10% annual (0.833% monthly).

How do I pay Brown County, South Dakota property taxes?

You can pay Brown County property taxes via Online, mail, in-person.

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Brown County Property Tax Due Date

Name: Treasurer
Address: 25 Market St. Suite #2, Aberdeen, SD, 57401, US
Telephone: (605) 626-7133

South Dakota

(605) 626-7133

2026 Property Tax Due Dates

Official Source

Installment 1overdue

April 30

First half

Installment 2in 109 days

October 31

Second half

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Penalty: 10% annual (0.833% monthly)Grace period: None

Payment Methods

Online, Mail, In-Person

Brown County Treasurer

Phone

(605) 626-7133

Office Address

25 Market St. Suite #2
Aberdeen, SD 57401

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How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Brown County Treasurer

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In Person

Visit the Treasurer's office — 25 Market St. Suite #2, Aberdeen SD 57401

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About Property Taxes in South Dakota

South Dakota property taxes are administered at the county level. Property is assessed at its full and true value (market value) as of November 1 of the prior year. South Dakota has no state income tax, which means property taxes are an important funding source for local governments and schools. South Dakota offers meaningful relief programs for seniors and veterans, and has no sales tax on groceries, which partially offsets the property tax burden. Tax bills are mailed in the spring and due in two installments.

Payment & Assessment

South Dakota property taxes are paid in two equal installments: First half: Due April 30 Second half: Due October 31 A 10% penalty applies to late payments. After two years of non-payment, taxes may be sold. Most counties offer online payment. Contact your county treasurer for payment options.

Statewide framework for South Dakota. Your county's specific rates and deadlines are shown above.

Other Counties in South Dakota

Aurora Beadle Bennett Bon Homme Brookings Brule Buffalo Butte

View all South Dakota counties →

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 37,561 in 2025. Its county seat is Aberdeen. The county is named for Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879.

Source: Wikipedia — content available under CC BY-SA 4.0