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Planning, Building & Development  

Building Permit

Certain minor improvements including re-roofing, re-siding, fences and sheds are eligible, subject to certain standards and restrictions, for registration instead of the traditional permitting process.

A Building Permit is required for any of the following activities in unincorporated Lake County:

  • Construction of new structure
  • Construction of additions and/or alterations
  • Construction of accessory structures such as detached garage, shed, deck, swimming pool, fence, etc.
  • Change of Use
  • Demolition of structures
  • Installing or altering any equipment which is regulated by the building, electrical, or mechanical code
  • The following repair activities:
    • removal or cutting of any wall, partition or portion thereof,
    • removal or cutting of any structural beam or load bearing support,
    • removal or change of any required means of egress or rearrangement of a structure affecting the egress requirements,
    • addition or alteration of water supply, sewer, drainage, gas, soil, waste, vent or similar piping, electrical or mechanical systems.

A Site Development Permit may also be required in conjunction with a building permit.

The following links may be used to access the building permit requirements for your project:

The above information is also available in brochure format.


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Lake County, Illinois
847.377.2000
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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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