DuPage County Property Tax Appeal Deadlines & Due Dates for 2018

DuPage County Property Tax Appeal Deadlines for 2018Below is a listing of deadlines for appealing your DuPage County property taxes in 2018 with the Board of Review.

  • 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 September 13, 2018 October 15, 2018
Bloomingdale June 28, 2018 July 30, 2018
Downers Grove Late October Late November
Lisle Mid-October Mid-November
Milton September 19, 2018 October 22, 2018
Naperville Late November Late December
Wayne Late October Early December
Winfield Late September Late October
York Mid-November Mid-December

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