Cook County townships

Appeal deadlines

Appeal windows differ by township and by agency. Dates appear here when posted; “Not posted” means we haven't entered a verified window. Always confirm before filing.

Cook County Assessor ↗Board of Review ↗County calendar Township appeal guides

Outside Cook County? Other Illinois counties:

DuPage County Lake County Will County Kane County McHenry County

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Dates can change. The official Assessor and Board of Review websites control filing windows, not this table.