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 8
August 8
December 22
January 20
Berwyn
June 22
July 25
November 21
December 20
Bloom
July 29
August 29 
February 28 
March 29
Bremen
August 5
September 6
February 28 
March 29
Calumet
June 22
July 25
November21
December 20
Cicero
June 22
July 25
November 21
December 20
Elk Grove*
August 1
September 1
February 14 
March 15
Evanston*
August 8
September 9
February 14
March 15
Hanover*
July 8
August 8 
January 3 
February 1
Hyde Park
November 2
December 5
April 11 
May 10 
Jefferson
November 10
December 12 
May 2 
May 31 
Lake
November 25
December 27
April 26 
May 25 
Lake View
October 24
November 25
April 11
May 10 
Lemont
July 6
August 8
February 14
March 15
Leyden*
September 16
October 17
April 4
May 3 
Lyons
November 21
December 22
April 26 
May 25 
Maine*
September 7
October 7
March 28 
April 26 
New Trier*
July 19 
August 19
January 3
February 1
Niles*
November 1
December 2
May 2 
May 31 
North Chicago
September 17
October 19
April 26 
May 25
Northfield*
October 3
November 3
April 11
May 10 
Norwood Park*
July 1
August 2
December 06
January 04
Oak Park
June 22 
July 25
November 21 
December 20
Orland
July 13
August 15 
February 14
March 15
Palatine*
August 22
September 23
February 14
March 15
Palos
September 2
October 3
March 28 
April 26
Proviso
October 8
November 8
May 2
May 31 
Rich
October 28 
November 29
May 2 
May 31 
River Forest
June 21
July 22
December 06
January 04
Riverside
June 21
July 22
November 21
December 20
Rogers Park
July 20   
August 22  
February 14
March 15
Schaumburg
July 25 
August 25 
January 3 
February 1
South Chicago
September 30
November 1
April 26 
May 25 
Stickney
November 10
December 12
May 2
May 31 
Thornton
August 17
September 19  
February 28 
March 29
West Chicago
October 12
November 14
April 4
May 3 
Wheeling*
October 10
November 10
April 11
May 10 
Worth
November 23 
December 24
April 26
May 25 

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

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