Dewey County Court House, Timber Lake, South Dakota

Dewey County Court House, Timber Lake, South Dakota Dewey County Courthouse

Contact information for each county office:

Auditor 865-3672
Clerk of Courts 865-3566
County Health Nurse 865-3587
Director of Equalization (Assessor) 865-3573
4-H/Extension 865-3652
Highway Department 865-3531
County Library 865-3541
Register of Deeds 865-3661
Sheriff 865-3330
State's Attorney 865-3528
Treasurer 865-3501
Veteran's Service Office 865-3539

05/05/2026

Dewey County Treasurer's Eagle Butte Satellite Office will be closed Thursday May 7th, 2026 and Friday May 8th, 2026, due to SDACO 2026 Spring Workshop.
The Timber Lake Treasurer's Office will be open.
We apologize for this inconvenience.

04/03/2026

Dewey County, SD Sheriff's Office and Dewey County SD Emergency Management have advised no travel for Dewey County due to snow coved roads, reduced visibility, heavy snow fall and icey conditions.
Dewey County Register of Deeds will not be doing drivers License today due to weather conditions.
Please check on SD511 for updated weather conditions and the latest road reports and travel updates.

04/02/2026

The Dewey County Court House will be closed on Friday April 3rd, 2026, from 12:00pm to 5:00pm and all day Monday April 6th, 2026, due to the Good Friday and Easter Monday Holiday.

The Dewey County Treasurer's Satellite Office in Eagle Butte will be closed April 3rd, 2026, at 11:00am due to the Good Friday Holiday.

Please watch and follow the Dewey County Sheriff's page and the Dewey County Emergency Management page for any changes and closures due to the predicted weather conditions.

Have a safe and Happy Easter weekend!!

For Immediate Release: March 26, 2026Contact: SOS.Media@state.sd.us SECRETARY OF STATE ANNOUNCES GUIDANCE ON NEW VOTER R...
03/26/2026

For Immediate Release: March 26, 2026
Contact: [email protected]

SECRETARY OF STATE ANNOUNCES GUIDANCE ON NEW VOTER REGISTRATION LAW

(Pierre, S.D.) – Secretary of State Monae Johnson issued guidance on SB 175, a new voter registration law that was signed by Governor Larry Rhoden earlier today. Due to an emergency clause, SB 175 takes effect immediately.

Under the new law, individuals registering to vote in South Dakota must provide documentary proof of citizenship. For South Dakotans who are already registered to vote, no action is required to comply with any changes made by SB 175, as the law only applies to individuals registering to vote for the first time or who have been removed from the state’s voter rolls.

“This bill is the result of a good legislative process. After a series of amendments, the Legislature approved SB 175 by a supermajority,” said Secretary Johnson. “As the head of elections for South Dakota, I have the honor to hold our elections as an example to the nation of security and integrity.”

The Secretary of State has been working with the Governor’s Office, Department of Social Services, Department of Health, Department of Labor, Department of Human Services, and Department of Public Safety for the last several weeks to ensure state employees who facilitate voter registration processes are educated and can help constituents who visit those offices around the state. A memo has been issued to each agency, and the Secretary of State has also issued guidance to county auditors to help them implement the new requirement efficiently and correctly.

SB 175 requires that an individual registering to vote for the first time or who has been removed from the state’s voter rolls provide documentary proof of citizenship. Proof of citizenship can be any one of the following documents:
A South Dakota driver license or nondriver identification card that was issued after July 1, 2025, and indicates citizenship status on the back of the card;
Another state’s driver license or nondriver identification card that indicates the person has provided sufficient documentation to demonstrate citizenship;
A tribal identification card; or
A legible photocopy of:
A birth certificate;
A United States passport;
A consular report of birth abroad issued by the United States Department of State
A certificate of naturalization; or
Any other type of acceptable documentary evidence permitted under 42 C.F.R. § 436.407.

The law does not require individuals who are already registered to vote to provide proof of citizenship. If someone is already registered to vote but is updating their information, such as their address or political party affiliation, the law does not require them to present proof of citizenship. An individual who has changed their name, such as a newly married woman, does not need to provide proof of citizenship if they are already registered to vote.

You can check your current registration status at: https://vip.sdsos.gov/VIPLogin.aspx.

If you have questions, you may call or visit your local county auditor.

V.I.P. is provided as a public service by the Secretary of State in cooperation with the County Auditors in each of South Dakota’s 66 counties.

LAST CLASS UNTIL 2027‼️
03/02/2026

LAST CLASS UNTIL 2027‼️

01/22/2026

Dewey County Courthouse will have adjusted hours for Friday Jan 23, 2026 from 10:00 AM to 3:00 PM due to expected extreme weather conditions. We are continuing to monitor the weather so please watch for further updates.

01/21/2026

US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Safety 1325 East West Highway Silver Spring, MD 20910 Comments? Questions? Please Contact Us.

12/11/2025

‼️‼️
The Dewey County Courthouse will be CLOSED today, December 11th, due to the current and ongoing weather conditions.

Normal hours will resume tomorrow morning, Friday, December 12th, at 8 a.m.

11/25/2025

Dewey County Courthouse will be closing at noon today 11/25/25 due to the weather/ road conditions.

The courthouse got a little spicy today. Happy Halloween! 🎃
10/31/2025

The courthouse got a little spicy today.

Happy Halloween! 🎃

09/22/2025

Due to the construction of the new vault and your safety, we ask that customers to please use the side door to the Courthouse.

Address

710 C Street
Timber Lake, SD
57656

Opening Hours

Monday 8am - 12pm
1pm - 5pm
Tuesday 8am - 12pm
1pm - 5pm
Wednesday 8am - 12pm
1pm - 5pm
Thursday 8am - 12pm
1pm - 5pm
Friday 8am - 12pm
1pm - 5pm

Website

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