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General Property Tax Information | LAKE COUNTY CHIEF COUNTY ASSESSMENT OFFICE - Home Improvement Exemption

18 North County Street, 7th Floor, Waukegan, IL 60085

Eligibility

Property must be in Lake County and the principal residence of the owner at the time of the improvement

Hours

Service Hours Monday: 8:30 AM - 5:00 PM Tuesday: 8:30 AM - 5:00 PM Wednesday: 8:30 AM - 5:00 PM Thursday: 8:30 AM - 5:00 PM Friday: 8:30 AM - 5:00 PM If visiting local Township Assessor's Office, call to confirm service hours.
847-377-2050
Voice·

Primary Program Phone

Languages

Spanish

Application process

Call for assistance, or visit local Township Assessor's Office Documents Required:
  • Photo ID
  • Proof of residence
  • Proof of income
  • Proof of age

Fees

No fee

Service area

All ZIP Codes, IL
Offers tax exemption that defers any increase in the assessment of the property for four years. It may include an addition or other improvements to the home that would add value. A maximum deduction is $25,000 of equalized assessed value.

Last assured

08/26/2025

Providing organization

LAKE COUNTY CHIEF COUNTY ASSESSMENT OFFICE
Office that provides home and tax assistance services.