Welcome to Mellette County

The Mellette County Courthouse is located at 321 E 4th Street in White River, South Dakota. Office hours are 8:00 a.m. to 4:00 p.m. Monday thru Friday. This web site includes information about each department in the county and the services provided by each, as well as important information pertaining to the goings on in the courthouse.

County News

The assessor’s office will be closing at 1:00 on Friday April 10th.

The assessor’s office will be closed April 13th, 14th, and 15th.

Meetings

Equalization Board Meeting April 14 – 9:00am
Commissioner Meeting May 5 – 9:00am

Public Notices

  • Click here to view offices up for election in 2026.
  • Click here to view the Mellette County Burn Ban Resolution
  • Building Permits are now required before any building can be constructed, moved, or altered in the county.