Administrative Building - 189 E. Court Street, Kankakee, IL 60901
- Administraion, Assessor, Auditor, County Clerk, Finance, GIS, Maintenanance, Management Information Systems, Planning & Zoning, Recorder, Regional Office of Education

Annex Building - 470 E. Merchant Street, Kankakee, IL 60901
- Probataion, State's Attorney (Child Support, Civil, Juvenile, Traffic)

Animal Control - 1270 Stanford Drive, Kankakee, IL 60901

Court House - 450 E. Court Street, Kankakee, IL 60901
- 21st Judicial Circuit Court, Circuit Clerk, Jury Commission, Public Defender, State's Attorney

Detention (Jerome Combs) Center - 3050 South Justice Way , Kankakee, IL 60901
- Sheriff, Coroner

Economic Alliance of Kankakee County - 200 E. Court Street, Kankakee, IL 60901

ESTB (911) - 2380 W. Station Street, Kankakee, IL 60901

Health Department - 2390 W. Station Street, Kankakee, IL 60901

Highway Department - 750 South East Avenue, Kankakee, IL 60901

Treasurer's Office - 192 North East Avenue, Kankakee, IL 60901

Veteran's Assistance Center - 135 North Schuyler Avenue, Kankakee, IL 60901