Assessment Notices

Lake County property owners will soon be receiving their property assessment notice in the mail. It’s important for taxpayers to read, understand and check this notice for accuracy as it contains important information about their property. Taxpayers are encouraged to contact their local township assessor’s office if they have questions regarding the valuation of their property.

After assessments are published for each township, a property owner has 30 days to appeal their assessment if they so desire. Scroll down to view a schedule of publication dates and appeal deadline dates by township. 

Understand Your Property AssessmentHelp Center

Staff members from the Chief County Assessment Office are available during regular business hours to assist Lake County property owners who need help understanding or appealing their assessments, or who want to learn about homestead exemptions, which can potentially provide tax relief.No appointment is necessary.

Chief County Assessment Office Location, Phone Number and Hours
Address: 18 N. County St., 7th Floor, Waukegan
Phone: 847-377-2000
Hours: 8:30 a.m. - 5 p.m., Monday through Friday

Appeals Must Be Filed Electronically

Online Appeal Filing

Property owners can appeal their assessment through the Lake County Board of Review on their own. No attorney is required for a residential appeal. The deadline date for each property is listed on the assessment notice.

Prior to filing a formal appeal to the Board of Review, property owners are encouraged to contact their local township assessor’s office to discuss their concerns.

To file an appeal, all property owners need to begin the process using the Chief County Assessment Office’s SmartFile E-Filing Portal. For property owners in all but five of Lake County’s townships, the entire appeal process can be conducted through this portal.

Special Instructions for Property Owners in Cuba, Ela, Grant, Libertyville and Vernon townships

The assessment appeal process for the five townships listed above is different than other townships in Lake County because they have chosen to use a different software system. This decision to move to a separate system impacts how taxpayers in these townships review and appeal their assessments.

View the instructions for appealing a property assessment in Cuba, Ela, Grant, Libertyville or Vernon township.

2020 Filing Deadlines and Decision Mailed Dates



Township Newspaper Tentative Assessment Roll Publication Date
Final Filing Dates Findings Mailed              
PTAB Final Filing Date
Antioch Lake County Journal



Avon Lake County Journal



Benton Lake County News Sun 7/30/2020



Cuba Barrington Courier Review



Ela Lake Zurich Courier



Fremont Mundelein Review 7/30/2020



Grant Lake County Journal



Lake Villa Lake County Journal



Libertyville Libertyville Review and Vernon Hills Review



Moraine Highland Park News



Newport Lake County News Sun




Shields Lake Forester 7/30/2020



Vernon Buffalo Grove Countryside, Lincolnshire Review and Vernon Hills Review







Warren Lake County News Sun




Wauconda Lake County Journal



Waukegan Lake County News Sun



West Deerfield Deerfield Review and Lake Forester



Zion Lake County News Sun 7/30/2020





Things to Know

Homestead exemptions can provide tax relief to eligible homeowners, as it exempts taxable value prior to the calculation of property taxes. In Illinois, exemptions are available for general homestead, seniors, disabled persons, disabled veterans, returning veterans (within the last two years) and home improvements. Learn about the homestead exemptions available.

Property information can be searched free of charge at tax.lakecountyil.gov. Enter an address or property PIN number to view tax summaries, property history, exemptions, permits, sketches, sales history and a host of other property characteristics.

Seek help if you need assistance understanding your assessment, appealing online, or applying for homestead exemptions. Remember, an attorney is not needed for a residential appeal. Receive help by going to a Tax Assessment Help Center, or contacting your township assessor or the Chief County Assessment Office.