City Government

The City of Sisseton was chartered and incorporated in 1892. City Hall is located at 406 2nd Ave. W. and is open 8 a.m. to Noon and 1:00 to 5:00 p.m. Monday through Friday (closed on holidays as designated by the city council). Sisseton is governed by a city council which includes a mayor and six ward aldermen.

For additional information on city government click the "City of Sisseton" tab on this website.

406 2nd Ave W
Sisseton, SD 57262

City Hall department

County Government

National Register of Historic Places
The Roberts County Courthouse is located at 411 2nd Ave. East in Sisseton. Sitting on top of a hill at 2nd Avenue East, between Maple and Oak streets, this historic building with a "Neo-Classical Revival" design was built in 1902. The structure was listed on the National Register in 1976. The county is governed by five commissioners, elected by district, who meet Tuesdays at 9:00 a.m. at the courthouse. The courthouse is open 8 a.m. to 5 p.m. Monday through Friday, and is closed on holidays as designated by the county commissioners and the State of South Dakota.

411 2nd Ave E
Sisseton, SD 57262

Roberts County Courthouse building photo

Circuit Court Judge & Clerk of Courts

Receives payment for traffic fines and court costs.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-3395

County Auditor

Handles voter registration and elections, and determines taxes.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-7336

County Extension Office

Coordinates programs for 4-H youth and nutrition programs.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-7627

County Treasurer

Issues car and boat license plates, Game Fish and Parks licenses, and also receives real estate tax payments.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-7245

Director of Equalization

Determines property valuations.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-3205

Register of Deeds & Vital Statistics

Handles property deeds, marriage licenses, and vital statistics.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-7152

Roberts County Jail and Juvenile Detention Center

Additional Phone Number: (605) 698-7362

11924 BIA Hwy 700
Sisseton, SD 57262

(605) 698-7667

Veterans Services Office

Coordinates veteran services and administers benefits.

411 2nd Ave E.
Sisseton, SD 57262

(605) 698-7376

Tribal Government

Sisseton-Wahpeton Oyate Tribal Headquarters

The Sisseton-Wahpeton Oyate of the Lake Traverse Reservation was organized under a constitution approved by its members and the Department of the Interior in 1966. The reservation is one of three open reservations in South Dakota.

In 2013 the Sisseton Wahpeton Oyate opened its $31 million administration building. The unique structure is provides a central hub fro the tribe's administrative offices to assist tribal members with their social, educational and housing needs. at the center of the structure, a multi-use area includes numerous cultural displays for public viewing.

Members of the Sisseton Wahpeton Oyate are governed by a Tribal Council made up of representatives elected from each of the tribe's seven districts, and an Executive Committee which includes the Tribal Chairman, Vice-Chairman and Secretary, all elected by the tribal membership at large.

The Tribal Administration Building is located at 12554 BIA HWY 711 in Agency Village (seven miles south of Sisseton). The unique structure was completed in 2013. The Main Phone for the Administration Building is (605) 698-3911 or TOLL FREE (833) 698-3911.

12554 BIA Hwy 711
Agency Village, SD 57262

(605) 698-3911

Sisseton-Wahpeton Oyate Tribal Headquarters photo