2022 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 | 7/8/22 | 8/8/22 | 12/12/22 | 1/10/23 |
| Berwyn | 6/22/22 | 7/25/22 | 11/21/22 | 12/20/22 |
| Bloom | 7/29/22 | 8/29/22 | 1/19/23 | 2/17/23 |
| Bremen | 8/5/22 | 9/6/22 | 1/31/23 | 3/1/23 |
| Calumet | 6/22/22 | 7/25/22 | 11/21/22 | 12/20/22 |
| Cicero | 6/22/22 | 7/25/22 | 11/21/22 | 12/20/22 |
| Elk Grove | 8/1/22 | 9/1/22 | 1/19/23 | 2/17/23 |
| Evanston | 8/8/22 | 9/9/22 | 1/19/23 | 2/17/23 |
| Hanover | 7/8/22 | 8/8/22 | 12/12/22 | 1/10/23 |
| Hyde Park | 11/2/22 | 12/5/22 | ||
| Jefferson | 11/10/22 | 12/12/22 | ||
| Lake | 11/25/22 | 12/27/22 | ||
| Lake View | 10/24/22 | 11/25/22 | ||
| Lemont | 7/6/22 | 8/8/22 | 11/28/22 | 12/27/22 |
| Leyden | 9/16/22 | 10/17/22 | ||
| Lyons | 11/21/22 | 12/22/22 | ||
| Maine | 9/7/22 | 10/7/22 | ||
| New Trier | 7/19/22 | 8/19/22 | 12/27/22 | 1/25/23 |
| Niles | 11/1/22 | 12/2/22 | ||
| North | 12/2/22 | 1/4/22 | ||
| Northfield | 10/3/22 | 11/3/22 | ||
| Norwood Park | 7/1/22 | 8/2/22 | 11/28/22 | 12/27/22 |
| Oak Park | 6/22/22 | 7/25/22 | 11/21/22 | 12/20/22 |
| Orland | 7/13/22 | 8/15/22 | 12/12/22 | 1/10/23 |
| Palatine | 8/22/22 | 9/23/22 | ||
| Palos | 9/2/22 | 10/3/22 | 1/19/23 | 2/17/23 |
| Proviso | 11/30/22 | 1/3/22 | ||
| Rich | 10/28/22 | 11/29/22 | 1/31/23 | 3/1/23 |
| River Forest | 6/21/22 | 7/22/22 | 11/28/22 | 12/27/22 |
| Riverside | 6/21/22 | 7/22/22 | 11/21/22 | 12/20/22 |
| Rogers Park | 7/20/22 | 8/22/22 | 12/27/22 | 1/25/23 |
| Schaumburg | 7/25/22 | 8/25/22 | 12/27/22 | 1/25/23 |
| South | 12/2/22 | 1/4/22 | ||
| Stickney | 11/10/22 | 12/12/22 | 1/31/23 | 3/1/23 |
| Thornton | 8/17/22 | 9/19/22 | 1/19/23 | 2/17/23 |
| West | 10/12/22 | 11/14/22 | ||
| Wheeling | 10/10/22 | 11/10/22 | ||
| Worth | 11/23/22 | 12/24/22 |