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

Sully 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 Sully County, South Dakota?

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

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

You can pay Sully County property taxes by mail to the county treasurer.

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Sully County Property Tax Due Date

South Dakota

(605) 258-2444

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

Sully County Treasurer

Phone

(605) 258-2444

Office Address

700 Ash Ave.
Onida, SD 57564

Get Directions

Mailing Address

PO Box 265

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Sully County Treasurer — PO Box 265

In Person

Visit the Treasurer's office — 700 Ash Ave., Onida SD 57564

Other Counties in South Dakota

Aurora Beadle Bennett Bon Homme Brookings Brown Brule Buffalo

View all South Dakota counties →

About Sully County

Sully County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,446, making it the fifth-least populous county in South Dakota. Its county seat is Onida.

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

Related Resources

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.