Cook County Property Tax Appeal Deadlines & Due Dates 2022

Cook County Property Tax Assessment Calculator | KensingtonBelow is a 2022 listing of deadlines for appealing your property taxes in your township for 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” deadline.

Learn why appealing by yourself can cost you more money than using Kensington

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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*
July 14 
August 16
December 22
January 20
Berwyn
June 22
July 25
January 3
February 1
Bloom
July 23
August 23 
February 28 
March 29
Bremen
September 15
October 18
February 28 
March 29
Calumet
June 22
July 25
December 22
January 20
Cicero
June 22
July 25
December 22
January 20
Elk Grove*
June 28
July 29
February 14 
March 15
Evanston*
May 7 
June 7
February 14
March 15
Hanover*
July 14
August 16 
January 3 
February 1
Hyde Park
December 15
January 21
April 11 
May 10 
Jefferson
August 16
September 17 
May 2 
May 31 
Lake
November 4
December 6
April 26 
May 25 
Lake View
November 22
December 23
April 11
May 10 
Lemont
August 14
September 14
February 14
March 15
Leyden*
August 30
September 30
April 4
May 3 
Lyons
September 21
October 25
April 26 
May 25 
Maine*
July 23
August 23 
March 28 
April 26 
New Trier*
June 1 
July 1
January 3
February 1
Niles*
November 1
December 3
May 2 
May 31 
North Chicago
September 17
October 19
April 26 
May 25
Northfield*
September 3
October 4
April 11
May 10 
Norwood Park*
May 17 
June 16
December 06
January 04
Oak Park
June 22 
July 25
December 06 
January 04
Orland
July 2
August 3 
February 14
March 15
Palatine*
June 14 
July 16
February 14
March 15
Palos
August 12
September 13
March 28 
April 26
Proviso
October 8
November 8
May 2
May 31 
Rich
October 26 
November 29
May 2 
May 31 
River Forest
June 21
July 22
December 06
January 04
Riverside
June 21
July 22
December 06
January 04
Rogers Park
June 15   
July 19  
February 14
March 15
Schaumburg
June 16 
July 19 
January 3 
February 1
South Chicago
September 30
November 1
April 26 
May 25 
Stickney
October 14
November 29
May 2
May 31 
Thornton
August 9
September 9  
February 28 
March 29
West Chicago
July 21
August 23
April 4
May 3 
Wheeling*
October 5
November 5
April 11
May 10 
Worth
August 24 
September 24
April 26
May 25 

* North District Townships will be fully reassessed in 2022 as part of the triennial schedule

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