Clay County Courthouse
211 W Main St
Vermillion, SD 57069
Assessor's (Director of Equalization) Office: (605) 677-7140
Auditor's Office: (605) 677-7120
Clerk of Courts Office: (605) 677-6756
Court Services Office: (605) 677-6485
Commissioners' Contact: (605) 677-7120
Community Health Nurse/WIC Office: (605) 677-6767
Emergency Management Director: (605) 677-7185
Extension Office: (605) 677-7111
Highway & Weed Department: (605) 677-7149
Planning & Zoning Office: (605) 677-7145
Register of Deeds Office: (605) 677-7130
Sheriff's Office (NON-EMERGENCY): (605) 677-7100
State's Attorney's Office: (605) 677-7107
Treasurer's Office: (605) 677-7123 email: treasurer@claycountysd.org
Veterans Service Office: (605) 677-7145
Welfare Office: (605) 677-7145