Cook County Property Tax Appeal Calendar for 2017

Cook County Property Tax Assessment Calculator | KensingtonBelow is a listing of when the window to appeal your property taxes in your township is open in 2017 with both the Cook County Assessor and 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” date.

Click here to see the remaining 2016 windows to appeal at the Cook County Board of Review

Why appealing by yourself can cost you a lot of money

Get Your Free Property Tax Reduction Estimate

Cook County Township Cook County Assessor
Open for Filing
Cook County Assessor
Closed for Filing
Cook County Board of Review
Open for Filing
Cook County Board of Review
Closed for Filing
Barrington March 10 April 10 August 1 August 30
Berwyn April 28 May 30 Late August Late September
Bloom September 15 October 16 Early December Early January
Bremen April 17 May 17 August 28 September 26
Calumet June 28 July 28 Late August Late September
Cicero March 21 April 21 August 1 August 30
Elk Grove April 24 May 24 Mid-October Mid-November
Evanston February 23 March 27 August 1 August 30
Hanover September 5 October 5 Early January 2018 Early February 2018
Hyde Park July 20 August 21 Mid-November Mid-December
Jefferson July 26 August 28 Early January 2018 Early February 2018
Lake September 1 October 2 Mid-October Mid-November
Lake View April 10 May 10 August 28 September 26
Lemont May 8 June 9 August 28 September 26
Leyden June 16 July 17 Mid-November Mid-December
Lyons May 25 June 26 Mid-October Mid-November
Maine May 11 June 12 Mid-November Mid- December
New Trier March 2 April 3 August 28 September 26
Niles September 11 October 12 Late December Mid-January 2018
North Chicago September 12 October 13 Late-December Mid-January 2018
Northfield August 1 September 1 Mid-December Early-January 2018
Norwood Park March 2 April 3 August 1 August 30
Oak Park March 1 April 3 August 1 August 30
Orland July 28 September 14 Early December Early January
Palatine March 30 May 1 August 1 August 30
Palos April 3 May 3 August 28 September 26
Proviso July 14 August 14 Early December Early January 2018
Rich September 1 October 2 Early December 5 Early January 2018
River Forest February 2 March 7 August 1 August 30
Riverside February 6 March 10 August 1 August 30
Rogers Park January 30 March 1 August 1 August 30
Schaumburg August 18 September 18 Mid-December Early January 2018
South Chicago September 15 October 16 Late-December Mid-January 2018
Stickney June 8 July 10 Mid-October Mid-November
Thornton August 15 September 15 Early December Early January
West Chicago May 25 June 26 Late-December Mid-January 2018
Wheeling July 6 August 7 Early December Early January 2018
Worth June 23 July 24 Mid-November Mid-December

Get Your Free Property Tax Reduction Estimate