The Appeals Process in Cook County

You have a legal right to appeal your assessment. Each year thousands of people successfully appeal their assessments and receive reductions in their property taxes. For example, appeals on over 400,000 parcels were filed with the Cook County Board of Review in 2016.

Only a taxpayer or his or her attorney can file an appeal with the County Board of Review, the State Property Tax Appeal Board, and the Circuit Court—tax consultants cannot file appeals.

Uniquely experienced legal counsel can fight for the lowest possible assessment on your behalf. Contact us now to request a free property tax analysis.

Cook County Property Tax Triennial Reassesment Cycle

Property in Cook County is reassessed once every three years by the Cook County Assessor. The Assessor reassesses on a rotating basis through three assessment districts so that only one district is being reassessed in any given year. The three districts are the City, North and South. Each district is further broken down in to 37 Townships, with 8 to 16 townships in each district. The Assessor and the Board of Review will open 30 day windows each year to file appeals for each of the Townships. It is critical to make sure an appeal is filed within the 30 day window for the appropriate Township. A property owner will only receive notice of the 30 day window from the Assessor once every three years when the property is reassessed.

The following table provides a guide to determining the Township, Reassessment District, and Triennial Assessment Years, but the Cook County Property Tax Portal should be checked to accurately determine the Township because the township boundary lines are not always along municipal boundaries lines (http://www.cookcountypropertyinfo.com/default.aspx). For example, parts of Glenview can be found in five different Townships.

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*Content Provided by Park & Longstreet, P.C., in Cook County