Phone Numbers
- Lake County Recorder of Deeds
- (847) 377-2575
- Treasures Office
- (312) 814-1700
- Waste Management
- (800) 796-9696
- Utility Billing
- (847) 223-8515
- Lake County Planning, Building, & Development
- (847) 377-2600
- Solid Waste Agency of Lake County (SWALCO)
- (847) 336-9340
- Clerk of the Circuit Court
- (847) 377-3380
- Fire Department
- (847) 223-8960
- Police Department
- (847) 223-2341
- Grayslake Community Park District
- (847) 223-7529
- College of Lake County
- (847) 543-2000
- Grayslake Area Chamber of Commerce & Industry
- (847) 223-6888
- Grayslake Area Public Library
- (847) 223-5313
- Lake County Forest Preserves
- (847) 367-6640
- Lake County Sheriff's Office
- (847) 377-4000