Fenton Area Chamber of Commerce
Jefferson County Government

Jefferson County Information

www.JeffCoMO.org
Government Information

www.JeffersonCountyOnline.org
Community Information

Jefferson County Courthouse

P.O. Box 100
Hillsboro, MO 63050
Phone: 636-797-5400

Public Works

Phone: 636-797-5340

Ken Waller - County Executive

Mailing Address:
PO Box 100
Hillsboro, MO 63050

Physical Address:
Jefferson County
Administration Center
729 Maple Street, Suite G30
Hillsboro, MO 63050
​Office Hours:
8:00 a.m. to 5:00 p.m.
Monday - Friday

Contact Information:
Phone: 636-797-5400
Fax: 636-797-5506
E-mail: kwaller@ jeffcomo.org

Don Bickowski (R)
County Council - District 1

Renee Reuter (R)
County Council - District 2

Mailing Address:
PO Box 100
Hillsboro, MO 63050

Physical Address:
Jefferson County Justice Center
400 First Street, 3rd Floor Room 301
Hillsboro, MO 63050

Phone: 636-797-5312
Email: dbickowski@jeffcomo.org
Mailing Address:
PO Box 100
Hillsboro, MO 63050

Physical Address:
Jefferson County Justice Center
400 First Street, 3rd Floor Room 302
Hillsboro, MO 63050

Phone: 636-797-5345
Email: rreuter@jeffcomo.org