2020 Cook County Property Tax Appeal Dates
| Township |
Assessment Notices Mailed |
Assessor’s Appeal Period Closed | Board of Review Appeals Open |
Board of Review Appeals Closed |
| Barrington | 3/12/20 | 5/1/20 | ||
| Berwyn** | 5/18/20 | 6/23/20 | ||
| Bloom** | 9/16/20 | 10/22/20 | ||
| Bremen** | 8/18/20 | 9/23/20 | ||
| Calumet** | 4/20/20 | 5/26/20 | ||
| Cicero** | 7/24/20 | 8/31/20 | ||
| Elk Grove | 6/29/20 | 8/4/20 | ||
| Evanston | 2/19/20 | 5/1/20 | ||
| Hanover | 8/20/20 | 9/25/20 | ||
| Hyde Park | TBD | |||
| Jefferson | 8/10/20 | 9/15/20 | ||
| Lake | 9/1/20 | 10/7/20 | ||
| Lake View | 6/6/20 | 8/5/20 | ||
| Lemont** | 5/27/20 | 7/2/20 | ||
| Leyden | 6/23/20 | 7/29/20 | ||
| Lyons** | 7/10/20 | 8/14/20 | ||
| Maine | 7/24/20 | 8/26/20 | ||
| New Trier | 3/5/20 | 5/1/20 | ||
| Niles | 9/7/20 | 10/13/20 | ||
| North | 9/15/20 | 10/21/20 | ||
| Northfield | 8/17/20 | 9/22/20 | ||
| Norwood Park | 2/20/20 | 5/1/20 | ||
| Oak Park** | 2/27/20 | 5/1/20 | ||
| Orland** | 7/22/20 | 8/27/20 | ||
| Palatine | 5/6/20 | 6/10/20 | ||
| Palos** | 3/13/20 | 5/1/20 | ||
| Proviso** | TBD | |||
| Rich** | 8/22/20 | 9/27/20 | ||
| River Forest** | 2/7/20 | 5/1/20 | ||
| Riverside** | 2/10/20 | 5/1/20 | ||
| Rogers Park | 2/24/20 | 5/1/20 | ||
| Schaumburg | 7/29/20 | 9/1/20 | ||
| South | 9/21/20 | 10/27/20 | ||
| Stickney** | 6/26/20 | 8/3/20 | ||
| Thornton** | TBD | |||
| West | 6/12/20 | 7/20/20 | ||
| Wheeling | 5/14/20 | 6/19/20 | ||
| Worth** | 6/17/20 | 7/23/20 |