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Pennington County Property Tax Due Date

South Dakota

(605) 394-2163

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

Pennington County Treasurer

Office Address

900 Concourse Dr. Suite #150
Rapid City, SD 57703

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Mailing Address

PO Box 6160

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Pennington County Treasurer — PO Box 6160

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In Person

Visit the Treasurer's office — 900 Concourse Dr. Suite #150, Rapid City SD 57703

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About Pennington County

Pennington County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 109,222, making it the second most populous county in South Dakota, and was estimated to be 115,979 in 2024. Its county seat is Rapid City.

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

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.