County Townships Open for 2025 Property Tax Year:
Tax Appeals Lake County deadlines prior to County.
Lake County Property McHenry County Property
Tax Appeal Deadline Dates: Tax Appeal Deadlines Dates:
Antioch: Open Chemung: July 21st
Avon: Open Alden: Open
Benton: Open Burton: Open
Cuba: Open Hebron: Open
Ela: Open Richmond: July 28th
Fremont: Open Dunham: Open
Grant: Open Hartland: Open
Lake Villa: Open Greenwood: Open
Libertyville: Open McHenry: Open
Moraine: Open Marengo: Open
Newport: Open Seneca: Open
Shields: Open Dorr: Open
Vernon: Open Nunda: Open
Warren: Open Riley: Open
Wauconda: Open Coral: Open
Waukegan: Open Grafton: Open
West Deerfield: Open Algonquin: Open
Zion: Open
DuPage County Property Tax Appeal Deadline Dates:
Addison: Open
Bloomingdale: Open
Downers Grove: Open
Lisle: Open
Milton: Open
Naperville: Open
Wayne: Open
Winfield: Open
York: Open