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 5:00 p.m. Monday thru Friday. We are closed for lunch from 12:00-1:00. 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 Treasurer’s Office will be closed Friday February 14.
Click here for the official state press release regarding the rollout of the 605Drive system.
Meetings
February 19, 2025 – 9:00am
Public Notices
- Building Permits are now required before any building can be constructed, moved, or altered in the county.