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Lake County Public Works  

Permit and License Applications

A permit is required for all plumbing work done on a sanitary sewer or water service.  Please contact our office for specific fees relating to your permit application.

For customers or areas with water and/or sewer service by Lake County Public Works, Public Works permits are required for the following activities:

  • New or additional water and/or sewer connections
  • New or additional water services (e.g. adding an irrigation water meter)
  • Non-residential construction involving building additions, change of use or multi-family construction involving construction of additional dwelling units.
  • Water and/or sewer service connection repairs, disconnections, reconnections, or abandonments.

Lake County Public Works does NOT issue permits for the following: 

  • Exterior plumbing within 5 feet of the building
  • Interior plumbing
  • Locations outside our service areas
  • Septic systems
  • Storm sewers
  • Wells


Service Areas and Fees

Public Works Single-family Residential Permit Application
Please contact our office if your project involves a multi-family or non-residential structure.

Public Works Fire Hydrant Flow Test Application
If your business requires a fire hydrant flow test, please contact Philip Speck at 847.377.7151

NOTE:  A $5000 License and Permit Bond is required for all contractors.  Illinois state plumbing licenses and certificates of insurance liability are NOT sufficient.

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Lake County, Illinois
18 N. County Street
Waukegan, IL 60085
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650 W. Winchester Road
Libertyville, Illinois 60048

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