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Planning, Building & Development  
 Engineering and Environmental Services Division

The Engineering and Environmental Services Division is responsible for the following general functions:


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Lake County, Illinois
847.377.2000
18 N. County Street
Waukegan, IL 60085
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500 W. Winchester Rd. Unit 101
Libertyville, IL 60048

Hours: Mon - Fri 7:30am to 4:30pm
Phone: 847.377.2600
Fax: 847.984.5854
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