Cook County Property Tax Appeal Deadlines & Due Dates 2019
Below is a 2019 listing of deadlines for appealing your property taxes in your township for both the Cook County Assessor and Board of Review. Click here for our 2020 calendar.
- 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
Open for Filing
Cook County Assessor
Closed for Filing
Closed for Filing
Cook County Board of Review
Open for Filing
Open for Filing
Cook County Board of Review
Closed for Filing
Closed for Filing
Barrington*
June 4
July 5
October 7
November 5
Berwyn
February 26
March 27
July 1
July 30
Bloom
September 23
October 23
December 10
January 8
Bremen
June 4
July 5
November 4
December 3
Calumet
June 14
July 15
September 9
October 8
Cicero
April 12
May 13
August 12
September 10
Elk Grove*
April 18
May 29
September 9
October 8
Evanston*
March 15
April 15
July 1
July 30
Hanover*
September 24
October 24
December 10
January 8
Hyde Park
July 11
August 12
November 18
December 17
Jefferson
August 5
September 6
December 2
December 31
Lake
August 30
September 30
December 10
January 8
Lake View
April 29
May 30
September 9
October 8
Lemont
June 12
July 15
November 4
December 3
Leyden*
June 21
July 22
November 18
December 17
Lyons
May 20
June 21
October 7
November 5
Maine*
May 7
June 7
October 7
November 5
New Trier*
March 29
April 29
August 19
September 17
Niles*
September 10
October 10
December 10
January 8
North Chicago
September 11
October 11
December 10
January 8
Northfield*
May 24
June 24
November 4
December 3
Norwood Park*
February 22
March 25
July 1
July 30
Oak Park
March 19
April 19
July 1
July 30
Orland
August 8
September 9
December 2
December 31
Palatine*
August 2
September 3
December 2
December 31
Palos
April 5
May 6
August 12
September 10
Proviso
July 22
August 22
November 18
December 17
Rich
September 11
October 11
December 10
January 8
River Forest
February 6
March 8
July 1
July 30
Riverside
February 5
March 7
July 1
July 30
Rogers Park
February 15
March 18
July 1
July 30
Schaumburg*
August 16
September 16
December 2
December 31
South Chicago
September 19
October 21
December 10
January 8
Stickney
May 28
June 28
October 7
November 5
Thornton
August 27
September 27
December 10
January 8
West Chicago
June 26
July 26
November 18
December 17
Wheeling*
July 8
August 8
December 2
December 31
Worth
June 28
July 29
November 18
December 17
* North suburbs will be fully re-assessed in 2019 as part of the triennial schedule
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2018 Cook County Property Tax Appeal Deadlines & Due Dates
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