General Property Tax Information | LAKE COUNTY CHIEF COUNTY ASSESSMENT OFFICE - Home Improvement Exemption
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.
Services
Date of Last Formal Update
08/26/2025
Data provided by
Lake County 211
Physical Address
18 North County Street, 7th Floor, Waukegan, IL 60085
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.
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
Fee
No fee
Eligibility
Property must be in Lake County and the principal residence of the owner at the time of the improvement
Languages
Spanish
Service area
Lake County, IL
Agency info
LAKE COUNTY CHIEF COUNTY ASSESSMENT OFFICE
Office that provides home and tax assistance services.