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

Custer 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 Custer County, South Dakota?

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

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

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

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Custer County Property Tax Due Date

South Dakota

(605) 673-8172

2026 Property Tax Due Dates

Official Source

Installment 1

April 30

First half

Installment 2

October 31

Second half

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

Payment Methods

Online, Mail, In-Person

Custer County Treasurer

Phone

(605) 673-8172

Office Address

420 Mt. Rushmore Rd.
Custer, SD 57730

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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 Custer County Treasurer

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In Person

Visit the Treasurer's office — 420 Mt. Rushmore Rd., Custer SD 57730

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Other Counties in South Dakota

Aurora Beadle Bennett Bon Homme Brookings Brown Brule Buffalo

View all South Dakota counties →

About Custer County

Custer County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 8,318. Its county seat is Custer.

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.