2021 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 | ||||
| Berwyn | ||||
| Bloom | ||||
| Bremen | ||||
| Calumet | ||||
| Cicero | ||||
| Elk Grove | ||||
| Evanston | ||||
| Hanover | ||||
| Hyde Park | ||||
| Jefferson | ||||
| Lake | ||||
| Lake View | ||||
| Lemont | ||||
| Leyden | ||||
| Lyons | ||||
| Maine | ||||
| New Trier | ||||
| Niles | ||||
| North | ||||
| Northfield | ||||
| Norwood Park | ||||
| Oak Park | ||||
| Orland | ||||
| Palatine | ||||
| Palos | ||||
| Proviso | ||||
| Rich | ||||
| River Forest | 4/21/21 | 5/21/21 | ||
| Riverside | 4/22/21 | 5/22/21 | ||
| Rogers Park | ||||
| Schaumburg | ||||
| South | ||||
| Stickney | ||||
| Thornton | ||||
| West | ||||
| Wheeling | ||||
| Worth |