PropTaxCheckerCook County, IL

Property tax appeal deadlines by city and village

Cook County sets appeal dates by township, and many towns sit in more than one. Find your town to see its township and whether the window is open.

Free. No sign-up. Compares your home with the 5 to 10 most similar homes nearby, from the Assessor's own data.

Cook County municipalities and their townships
City or villageTownshipAppeals
AlsipWorth Closed
Arlington HeightsWheeling, Elk Grove Closed
BarringtonBarrington, Palatine Closed
Barrington HillsBarrington Closed
BartlettHanover Open
Bedford ParkLyons Closed
BellwoodProviso Closed
BerkeleyProviso Closed
BerwynBerwyn Closed
Blue IslandWorth, Calumet, Bremen Closed
BridgeviewLyons, Worth, Palos Closed
BroadviewProviso Closed
BrookfieldProviso, Lyons, Riverside Closed
Buffalo GroveWheeling Closed
BurbankStickney Closed
BurnhamThornton Open
Burr RidgeLyons Closed
Calumet CityThornton Open
Calumet ParkCalumet Closed
ChicagoLake, Jefferson, Hyde Park, West Chicago, Lake View, South Chicago, Rogers Park, North Chicago Open
Chicago HeightsBloom Closed
Chicago RidgeWorth Closed
CiceroCicero Closed
Country Club HillsBremen, Rich Open
CountrysideLyons Closed
CrestwoodBremen, Worth Closed
Des PlainesMaine, Elk Grove Closed
DixmoorThornton Open
DoltonThornton Open
East Hazel CrestThornton Open
ElginHanover Open
Elk Grove VillageElk Grove, Schaumburg Open
Elmwood ParkLeyden Closed
EvanstonEvanston Closed
Evergreen ParkWorth Closed
FlossmoorRich, Bloom Open
Ford HeightsBloom Closed
Forest ParkProviso Closed
Forest ViewStickney Closed
Franklin ParkLeyden Closed
GlencoeNew Trier Closed
GlenviewNorthfield, Maine, New Trier, Niles Open
GlenwoodBloom, Thornton Open
GolfNiles Open
Hanover ParkSchaumburg, Hanover Open
HarveyThornton, Bremen Open
Harwood HeightsNorwood Park Closed
Hazel CrestBremen, Thornton, Rich Open
Hickory HillsPalos, Lyons Closed
HillsideProviso Closed
HinsdaleLyons Closed
HodgkinsLyons Closed
Hoffman EstatesSchaumburg, Palatine, Hanover, Barrington Open
HometownWorth Closed
HomewoodBloom, Thornton, Bremen, Rich Open
Indian Head ParkLyons Closed
InvernessPalatine, Barrington Closed
JusticeLyons Closed
KenilworthNew Trier Closed
La GrangeLyons Closed
La Grange ParkProviso Closed
LansingThornton, Bloom Open
LemontLemont Closed
LincolnwoodNiles Open
LynwoodBloom Closed
LyonsLyons Closed
MarkhamBremen, Thornton Open
MattesonRich Open
MaywoodProviso Closed
Melrose ParkProviso, Leyden Closed
Merrionette ParkWorth Closed
MidlothianBremen Closed
Morton GroveNiles, Maine Open
Mount ProspectElk Grove, Wheeling Closed
NilesMaine, Niles Open
NorridgeNorwood Park, Leyden Closed
North RiversideRiverside, Proviso Closed
NorthbrookNorthfield Closed
NorthfieldNorthfield, New Trier Closed
NorthlakeLeyden, Proviso Closed
Oak ForestBremen Closed
Oak LawnWorth Closed
Oak ParkOak Park Closed
Olympia FieldsRich, Bloom Open
Orland HillsOrland Open
Orland ParkOrland, Palos Open
PalatinePalatine Closed
Palos HeightsWorth, Palos Closed
Palos HillsPalos Closed
Palos ParkPalos Closed
Park ForestRich, Bloom Open
Park RidgeMaine, Norwood Park, Leyden Closed
PhoenixThornton Open
PosenBremen, Thornton Open
Prospect HeightsWheeling Closed
Richton ParkRich Open
River ForestRiver Forest Closed
River GroveLeyden Closed
RiverdaleThornton, Calumet Open
RiversideRiverside Closed
RobbinsBremen, Worth Closed
Rolling MeadowsPalatine, Elk Grove Closed
RoselleSchaumburg Open
RosemontLeyden, Maine Closed
Sauk VillageBloom Closed
SchaumburgSchaumburg Open
Schiller ParkLeyden Closed
SkokieNiles Open
South BarringtonBarrington Closed
South Chicago HeightsBloom Closed
South HollandThornton Open
StegerBloom Closed
StickneyStickney Closed
Stone ParkProviso Closed
StreamwoodHanover Open
SummitLyons Closed
ThorntonThornton Open
Tinley ParkOrland, Bremen, Rich Open
WestchesterProviso Closed
Western SpringsLyons, Proviso Closed
WheelingWheeling Closed
Willow SpringsLyons, Palos Closed
WilmetteNew Trier Closed
WinnetkaNew Trier Closed
WorthWorth, Palos Closed

Townships come from the Assessor's parcel data (computed 2026-11-05). Unincorporated areas are listed under their township.