Click on 2025 Tax Year Township and Exemption Dates to find the dates for your township.
If you don’t see your township listed, please navigate here to pre-file or preregister. Or navigate here to check township status
Effective December 3, the Cook County Board of Review reopened previously closed townships for assessment appeals. These townships will be open for appeal December 3–12, 2025. Visit this link to view open townships and file an appeal: https://appeals.cookcountyboardofreview.com/