The following townships have re-opened: Berwyn, Palos, Stickney, Evanston, Elk Grove, West Chicago, Norwood Park, Lakeview, Bremen, River Forest, Lyons, Calumet, Riverside, New Trier, Hyde Park, Rogers Park, Barrington, Lemont, Cicero, Maine, Leyden, Oak Park, Northfield, and Worth. The deadline to file an appeal for re-opened townships is December 12, 2025, at 11:59 PM.  Jefferson, Proviso, and Wheeling townships will remain open for appeals through December 19, 2025. Bloom, Hanover, Lake, Niles, North, Orland, Palatine, Rich, Schaumburg, South, and Thornton townships are currently in the pre-file period.  Homeowners are encouraged to bring their Property Index Number (PIN), which can be found on their property tax bill or online through the county’s property search tools.