2023 Cook County Property Tax Appeal Dates and Deadlines
Township |
Assessment Notices Mailed |
Assessor’s Appeal Period Closed | Board of Review Appeals Open |
Board of Review Appeals Closed |
Barrington | 4/5/23 | 5/5/23 | 9/11/23 | 10/10/23 |
Berwyn | 4/24/23 | 5/24/23 | 9/18/23 | 10/17/23 |
Bloom | 6/23/23 | 7/26/23 | 11/13/23 | 12/12/23 |
Bremen | 8/31/23 | 10/2/23 | 12/4/23 | 1/2/24 |
Calumet | 3/30/23 | 5/1/23 | 9/11/23 | 10/10/23 |
Cicero | 4/17/23 | 5/17/23 | 9/18/23 | 10/17/23 |
Elk Grove | 7/6/23 | 8/7/23 | 11/13/23 | 12/12/23 |
Evanston | 6/6/23 | 7/5/23 | 10/5/23 | 11/3/23 |
Hanover | 4/17/23 | 5/17/23 | 9/18/23 | 10/17/23 |
Hyde Park | 9/18/23 | 10/19/23 | ||
Jefferson | 8/31/23 | 10/2/23 | ||
Lake | 11/1/23 | 12/5/23 | ||
Lake View | 8/21/23 | 9/21/23 | 12/4/23 | 1/2/24 |
Lemont | 5/9/23 | 6/9/23 | ||
Leyden | 8/16/23 | 9/18/23 | 12/4/23 | 1/2/24 |
Lyons | 10/24/23 | 11/27/23 | ||
Maine | 8/7/23 | 9/8/23 | 11/13/23 | 12/12/23 |
New Trier | 5/24/23 | 6/29/23 | 10/5/23 | 11/3/23 |
Niles | 9/19/23 | 10/20/23 | ||
North | 10/4/23 | 11/6/23 | ||
Northfield | 10/25/23 | 11/28/23 | ||
Norwood Park | 3/29/23 | 4/29/23 | 9/11/23 | 10/10/23 |
Oak Park | 4/13/23 | 5/15/23 | ||
Orland | 5/24/23 | 6/29/23 | 10/5/23 | 11/3/23 |
Palatine | 7/21/23 | 8/21/23 | 11/13/23 | 12/12/23 |
Palos | 7/14/23 | 8/14/23 | 11/13/23 | 12/12/23 |
Proviso | 9/29/23 | 10/30/23 | ||
Rich | 9/20/23 | 10/23/23 | ||
River Forest | 4/27/23 | 5/30/23 | 9/18/23 | 10/17/23 |
Riverside | 3/30/23 | 4/29/23 | 9/11/23 | 10/10/23 |
Rogers Park | 4/25/23 | 5/25/23 | 9/18/23 | 10/17/23 |
Schaumburg | 5/10/23 | 6/12/23 | 10/5/23 | 11/3/23 |
South | 10/6/23 | 11/7/23 | ||
Stickney | 8/11/23 | 9/12/23 | 12/4/23 | 1/2/24 |
Thornton | 8/4/23 | 9/5/23 | 11/13/23 | 12/12/23 |
West | 8/10/23 | 9/11/23 | 12/4/23 | 1/2/24 |
Wheeling | 8/31/23 | 10/2/23 | ||
Worth | 11/7/23 | 12/11/23 |