DuPage County Property Tax Appeal Deadlines & Due Dates for 2024
Below is a listing of 2024 deadlines for appealing your DuPage County property taxes with the Supervisor of Assessments.
- Dates in green have been announced (the window to appeal is now open)
- Dates in red have passed (the window to appeal has closed)
- Dates in gray are estimated based on previous years
The earliest you can submit a property tax appeal is the date listed as “Open for Filing” and no property tax appeal will be accepted after the “Closed for Filing” deadline. Click here if you don’t know which DuPage County township you live in.
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DuPage County Township
DuPage County Assessor Open for Filing (Notice Date)
DuPage County Board of Review Closed for Filing (Final Complaint Filing)
Addison
December 29
January 29
Bloomingdale
December 01
January 02
Downers Grove
December 14
January 16
Lisle
December 22
January 22
Milton
December 29
January 29
Naperville
December 20
January 19
Wayne
December 13
January 12
Winfield
December 08
January 08
York
December 08
January 08
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