Jefferson County Government

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

Phone: 636-797-5400
Fax: 636-797-5506
Email: kwaller@ jeffcomo.org

Don Bickowski
County Council
District 1

Mailing Address:
PO Box 100
Hillsboro, MO 63050

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

Phone: 636-797-5312
Email: dbickowski@jeffcomo.org

Renee Reuter
Council Chair
County Council
District 2

Mailing Address:
PO Box 100
Hillsboro, MO 63050

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

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

Jefferson County Information

www.JeffCoMO.org
Jefferson County government information

www.JeffersonCountyOnline.org
Jefferson County community information online

Jefferson County Courthouse

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

Public Works

Phone: 636-797-5340
Jo Ann White
Clerk

Mark Mertens
Presiding Commissioner

Ed Kemp
First District Commissioner

Martin Toma
Planning & Zoning

Bob Covington
Building Commissioner
On November 4, 2008 the voters of Jefferson County, Missouri approved the Home Rule Charter of Jefferson County, Missouri.

The Home Rule Charter of Jefferson County, Missouri, created and conferred certain executive and other powers upon the Jefferson County, Missouri, Executive.

The County Executive is the chief executive officer of the County Government.

On November 2, 2010 the voters of Jefferson County voted Kenneth B. Waller as the County's first County Executive.