General Services/Contracts & Grants is a division within the Department of Administrative Services and provides procurement and support services to the County government.

Roadway and Bridge Project Details for Jefferson County, MO

The dedicated staff of the Planning Division seek to assist County residents, developers, appointed, and elected officials in navigating the land use, building, and development process in Jefferson County.

The St. Clair County Highway Department is responsible for care, maintenance, and reconstruction of the County highways under the jurisdiction of the County.