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 | ||
| Berwyn | 4/24/23 | 5/24/23 | ||
| Bloom | ||||
| Bremen | ||||
| Calumet | 3/30/23 | 5/1/23 | ||
| Cicero | 4/17/23 | 5/17/23 | ||
| Elk Grove | ||||
| Evanston | ||||
| Hanover | 4/17/23 | 5/17/23 | ||
| Hyde Park | ||||
| Jefferson | ||||
| Lake | ||||
| Lake View | ||||
| Lemont | 5/9/23 | 6/9/23 | ||
| Leyden | ||||
| Lyons | ||||
| Maine | ||||
| New Trier | 5/24/23 | 6/24/23 | ||
| Niles | ||||
| North | ||||
| Northfield | ||||
| Norwood Park | 3/29/23 | 4/29/23 | ||
| Oak Park | 4/13/23 | 5/15/23 | ||
| Orland | 5/24/23 | 6/26/23 | ||
| Palatine | ||||
| Palos | ||||
| Proviso | ||||
| Rich | ||||
| River Forest | 4/27/23 | 5/30/23 | ||
| Riverside | 3/30/23 | 4/29/23 | ||
| Rogers Park | 4/25/23 | 5/25/23 | ||
| Schaumburg | 5/10/23 | 6/12/23 | ||
| South | ||||
| Stickney | ||||
| Thornton | ||||
| West | ||||
| Wheeling | ||||
| Worth |