Lake County Courthouse & Administration Building

18 North County Street
Waukegan, Illinois  60085-4359
Map (PDF) 


Entrances are located at 18 N. County Street, 301 Washington Street, and Martin Luther King Avenue between Washington and Madison.


Parking is available in the City of Waukegan Parking Garage and City Lots D, E and F. There is limited street parking. There is also limited fee-based parking in the County of Lake Parking Garage.


Monday - Friday
8 a.m. - 5 p.m.


Phone: 847-377-3600
TDD/TTY: 847-360-2975

Main Courthouse Side

Floor Offices
Lower Level
- Clerk of the Circuit Court's Office
- ATM Machine
Main Level (1st Floor)
- William D. Block Memorial Law Library (with Public Access Copies / Internet)
- Family Division Courtrooms (C-101, C-102, C-103, C-105 and C-107)
- Court Security Office
- 1st Floor Court Administration
- Kids' Korner Children's Waiting Room
- Pay Phones / Public Access Copies
- Entrance to Annex Courtrooms (C-206, C-207, C-306, C-307, C-406, and C-407)
Second Level (2nd Floor)
- Civil Law Division Courtrooms C-201, C-202, C-204 and C-205
- 2nd Floor Court Administration
- Director of Judicial Operations
​- Skyway to the Tower Court Complex
Third Level (3rd Floor)
- Civil Law Division Courtrooms (C-301, C-302, C-303, C-304 and C-305)
- 3rd Floor Court Administration
- Director of Administrative Services, - Director of Judicial Information Systems and Technology
Fourth Level (4th Floor)
- Misdemeanor/Traffic Division Courtrooms (C-401, C-402, C-403, C-404 and C-405)
- 4th Floor Court Administration

County Administrative Tower

Floor Offices
Lower Level (Basement)
- Facility Operations (Parking Questions, Public Use Permits)
- Information Technology (IT  Operations, Service Desk)
- Mail and Delivery Services
- Training Room
Main Level (1st Floor)
- Lobby / Information Desk
- Court Schedules Monitors
- ATM Machine / Pay Phones
- Treasurer's Office
- County Clerk's Office
- Cafe and Community Room
Second Level (2nd Floor)
State's Attorney Office (Felony Prosecution, Drug Prosecution)
Third Level (3rd Floor)
State's Attorney Office (Administrative Offices)
Fourth Level (4th Floor)
- State's Attorney Office (Felony D.U.I., Misdemeanor and Traffic Prosecution)
Fifth Level
(5th Floor)
- State's Attorney Office (Civil, Child Support)
Sixth Level (6th Floor)
- Recorder of Deeds (Land Records, Military Service Records)
- Conference Center
Seventh Level (7th Floor)

- Board of Review
- Chief County Assessor's Office
- Human Resources
- Merit Commission

Eighth Level (8th Floor)
 Information and Technology (Administration, Applications, Project Management, and GIS)
Ninth Level (9th Floor)
- County Administrative Office (Communications, Lake County Television LCTV)
- Financial and Administrative Services (Budget, Construction, Controller, Accounts Payable, and Purchasing)
Tenth Level (10th Floor)
- Lake County Board Offices (Boardrooms, conference rooms, Assembly Room, Liquor Commission, Lake County Chair's Office)
- Courtroom CBR (Thursday and Friday)


Phone: 847-377-2000