Appeal Deadlines for Cook County Townships Scheduled for 2026/2027 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
New TrierJune 22, 2026September 1, 20262028
PalosJuly 17, 2026September 29, 20262026
EvanstonJune 4, 2026September 1, 20262028
Oak ParkJune 18, 2026September 1, 20262026
BerwynJuly 6, 2026September 29, 20262026
Norwood ParkMay 26, 2026September 1, 20262028
Rogers ParkJune 1, 2026September 1, 20262027
River ForestJune 2, 2026September 1, 20262026
RiversideJune 8, 2026September 1, 20262026
MaineJuly 21, 2026September 29, 20262028
StickneyAugust 12, 2026November 6, 20262026
LyonsSeptember 3, 2026November 6, 20262026
Lake ViewJuly 13, 2026September 29, 20262027
CiceroJuly 31, 2026September 29, 20262026
Elk GroveAugust 4, 2026September 29, 20262028
Hanover2028
Bloom2026
Niles2028
Rich2026
South Chicago2027
North ChicagoNovember 24, 20262027
SchaumburgNovember 19, 20262028
ThorntonNovember 23, 20262026
LakeOctober 29, 20262027
OrlandNovember 6, 20262026
PalatineNovember 4, 20262028
ProvisoOctober 27, 20262026
JeffersonNovember 12, 20262027
WheelingOctober 22, 20262028
WorthOctober 15, 20262026
Hyde ParkOctober 8, 20262027
CalumetOctober 2, 20262026
LemontSeptember 29, 20252026
LeydenOctober 14, 20262028
BremenSeptember 24, 20262026
West ChicagoAugust 21, 2025November 6, 20262027
BarringtonSeptember 23, 20262028
NorthfieldSeptember 4, 2026November 6, 20262028