Lake County Departments, Agencies and Commissions

• Adult Probation Services
• Central Services
• Chief County Assessment Office
• Clerk of the Circuit Court
• Communications
• Coroner
• County Administrator
• County Board Office
• County Clerk
• Court Administration
• Division of Transportation
• Facility Operations
• Finance and Administrative Services
• Forest Preserve District
• GIS / Mapping Division
• Health Department
• Human Resources
• Information and Technology
• Juvenile Probation/Detention Services
• Nineteenth Judicial Circuit Court
• Planning, Building and Development
• Public Defender
• Public Works
• Purchasing
• Radio Department
• Recorder of Deeds
• Regional Office of Education
• Sheriff
• Solid Waste Agency
• State's Attorney
• Storm water Management Commission
• Treasurer
• Tuberculosis Clinic
• Veteran's Assistance
• Winchester House
• Workforce Development Department