Buffalo County Government
Gann Valley, SD
Buffalo County Courthouse
Highway Department
Old Courthouse
Commissioners: Lloyd Lutter, Ron Peterson, Donita Loudner
Sheriff’s Office – Wayne Willman / Doug Koch
PO Box 115
Gann Valley, SD 57341-0115
Phone: (605) 293-3231
Fax: (605) 293-3240
Treasurer’s Office – Janice VonEye
PO Box 165
Gann Valley, SD 57341-0165
Phone: (605) 293-3236
Fax: (605) 293-3240
Auditor’s Office – Elaine Wulff
PO Box 146
Gann Valley, SD 57341-0146
Phone: (605) 293-2317
Fax: (605) 293-3240
Register of Deeds – Elaine Wulff / Doug Koch
PO Box 174
Gann Valley, SD 57341-0174
Phone: (605)293-3239
Fax: (605) 293-3240
Highway Superintendent – Ken Wulff
PO Box 136
Gann Valley, SD 57341-0136
Phone: (605) 293-3263
Fax: (605) 293-3240
Director of Equalization – Evelyn Wulff
PO Box 175
Gann Valley, SD 57341-0175
Phone: (605) 293-3286
Fax: (605) 293-3240
Clerk of Courts – Doris Juhnke
300 S. Courtland, Ste. 301
Chamberlain, SD 57325
Phone: (605) 734-4580
Veterans' Service Officer – Nancy Falor
OFFICE HOURS:
Gann Valley - Buffalo County Courthouse
Tuesday - 9:00 A.M. to 5:00 P.M.
Phone: (605) 293-3239

NON-OFFICE HOURS:
Residence: (605) 778-6188
States Attorney – A. Steven Fox
108 E. Lawler
Chamberlain, SD 57325
Phone: (605) 734-6515
Emergency Mgmt Officer – Katheryn Benton
300 S. Courtland, Ste. 106
Chamberlain, SD 57325
Phone: (605) 234-4433
SD Department of Social Services
320 Sorenson Drive
PO Box 430
Chamberlain, SD 57325-0430
Phone: (605) 734-4500
Brule Co. Extension Office – Rod Geppert
300 S. Courtland
Chamberlain, SD 57325
Phone: (605) 234-4431
Fax: (605) 234-4442
Jerauld Co. Extension Office - Marcia Deneke

205 S. Wallace
Wessington Springs, SD 57382
Phone: (605) 539-9471