Appeal Deadlines for Cook County Townships Scheduled for 2025/2026 Reassessment

The Cook County Board of Review announced on November 22, 2025, that appeals filing for all townships will re-open. We are tracking this development closely and will post updated appeal dates here as soon as they are released. Please check back for updates.

TownshipsAssessor Filing DeadlineBoard of Review Filing DeadlineReassessment Year
HanoverDecember 22, 20252025
BloomDecember 9, 20252026
NilesDecember 5, 20252025
RichDecember 4, 20252026
South ChicagoNovember 28, 20252027
North ChicagoNovember 20, 20252027
SchaumburgNovember 17, 20252025
ThorntonNovember 14, 20252026
LakeNovember 4, 20252027
OrlandOctober 23, 20252026
PalatineOctober 22, 20252025
ProvisoOctober 7, 2025December 19, 20252026
JeffersonOctober 3, 2025December 19, 20252027
WheelingSeptember 30, 2025December 19, 20252025
WorthSeptember 23, 2025November 21, 20252026
Hyde ParkSeptember 16, 2025November 21, 20252027
CalumetSeptember 11, 2025November 21, 20252026
LemontSeptember 2, 2025November 21, 20252026
LeydenSeptember 2, 2025November 21, 20252025
BremenAugust 21, 2025November 21, 20252026
West ChicagoAugust 20, 2025October 21, 20252027
BarringtonAugust 15, 2025October 21, 20252025
NorthfieldJuly 31, 2025October 21, 20252025
StickneyJuly 25, 2025October 21, 20252026
MaineJuly 18, 2025October 21, 20252025
LyonsJuly 16, 2025September 16, 20252026
Lake ViewJuly 9, 2025September 16, 20252027
CiceroJune 6, 2025August 19, 20252026
New TrierJune 5, 2025September 16, 20252025
PalosJune 2, 2025August 19, 20252026
EvanstonMay 21, 2025August 5, 20252025
Oak ParkMay 20, 2025August 19, 20252026
BerwynMay 6, 2025August 5, 20252026
NorwoodMay 5, 2025August 5, 20252025
Rogers ParkApril 23, 2025August 5, 20252027
River ForestApril 18, 2025August 5, 20252026
RiversideApril 18, 2025August 5, 20252026