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Illinois has 101 counties. Each has varying reassessment years and property tax appeal deadlines.
- Click on Counties for information on reassessment years and filing deadlines.
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| *We are continually updating the information we have available at our
site for all of the Illinois counties. Only select counties on this
map have information available at this time. Last Update 1/20/06 |
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| County | Township | Deadline | Reassessed |
| Adams | Quincy | 8/11/07 | |
| Bond | Greenfield | 12/11/07 | 2007 |
| Boone | Belvedere | 2/1/08 | |
| Bureau | Princeton | 1/18/08 | |
| Carbondale | Jackson | ||
| Cass | Beardstown | ||
| Champaign | Champaign | 9/10/07 | 2006 |
| Cunningham | 9/10/07 | 2006 | |
| Hensley | 9/10/07 | 2006 | |
| Rentoul | 9/10/07 | 2006 | |
| Sidney | 9/10/07 | ||
| Christian | Pana | ||
| Taylorville | 2006 | ||
| Clay | Harter | ||
| Clinton | Brookside | 2006 | |
| Coles | Charleston | 9/28/07 | |
| Mattoon | |||
| Crawford | Robinson | 12/17/07 | |
| Cook | Cook County Township Deadlines | ||
| De Kalb | Cortland | ||
| De Kalb | 12/14/07 | 2006 | |
| Genoa | 12/14/07 | ||
| Dewitt | Clinton | 1/28/08 | |
| DuPage | Addison | 11/13/07 | 2007 |
| Bloomingdale | 11/19/07 | 2007 | |
| Downers Grove | 11/26/07 | 2007 | |
| Lisle | 12/17/07 | 2007 | |
| Milton | 12/17/07 | 2007 | |
| Naperville | 11/26/07 | 2007 | |
| Wayne | 12/7/07 | 2007 | |
| Winfield | 12/10/07 | 2007 | |
| York | 11/5/07 | 2007 | |
| Edgar | Paris | ||
| Effingham | Douglas | 2005 | |
| Franklin | Denning | ||
| Fulton | Canton | 2/11/08 | |
| Grundy | Aux Sable | 12/28/07 | |
| Garfield | 12/28/07 | ||
| Goodfarm | 12/28/07 | ||
| Goose Lake | 1/11/08 | 2005 | |
| Morris | 12/28/07 | ||
| Hardin | Rock Creek | ||
| Henry | Weathersfield | 1/14/08 | |
| Iroquois | Middleport | 1/25/08 | |
| Jackson | Carbondale | 11/5/07 | |
| Jefferson | Shiloh | ||
| Jersey | Jersey | ||
| Kane | Aurora | 1/22/08 | 2006 |
| Batavia | 11/28/07 | 2006 | |
| Big Rock | 2006 | ||
| Blackberry | 2006 | ||
| Burlington | 2006 | ||
| Campton | 2006 | ||
| Dundee | 12/26/07 | 2006 | |
| Elgin | 11/26/07 | 2006 | |
| Geneva | 1/22/08 | 2006 | |
| Hampshire | 9/10/07 | 2006 | |
| Kaneville | 2006 | ||
| Plato | 2006 | ||
| Rutland | 1/14/08 | 2006 | |
| St. Charles | 10/22/07 | 2006 | |
| Sugar Grove | 12/17/07 | 2006 | |
| Virgil | 2006 | ||
| Kankakee | Bourbonnais | 12/14/07 | |
| Kankakee | 12/14/07 | ||
| Limestone | 12/14/07 | 2006 | |
| Manteno | 12/18/06 | ||
| Kendall | Bristol | 12/14/07 | |
| Kendall | 12/10/07 | ||
| Little Rock | 12/10/07 | ||
| Oswego | 112/10/07 | ||
| Seward | 12/10/07 | ||
| Knox | Galesburg | 1/11/08 | |
| Lake | Antioch | 11/12/07 | 2007 |
| Avon | 12/31/07 | 2007 | |
| Benton | 12/21/07 | 2007 | |
| Cuba | 10/15/07 | 2007 | |
| Ela | 12/16/07 | 2007 | |
| Fremont | 9/17/07 | 2007 | |
| Grant | 11/26/07 | 2007 | |
| Lake Villa | 11/26/07 | 2007 | |
| Libertyville | 9/17/07 | 2007 | |
| Moraine | 10/29/07 | 2007 | |
| Newport | 11/5/07 | 2007 | |
| Shields | 11/19/07 | 2007 | |
| Vernon | 11/26/07 | 2007 | |
| Warren | 12/17/07 | 2007 | |
| Wauconda | 10/29/07 | 2007 | |
| Waukegan | 1/14/08 | 2007 | |
| West Deerfield | 12/3/07 | 2007 | |
| Zion | 12/10/07 | 2007 | |
| LaSalle | Bruce | 12/17/07 | |
| Dayton | 12/17/07 | ||
| Ottowa | 12/17/07 | ||
| Troy Grove | 12/17/07 | ||
| Lawrence | Christy | 2006 | |
| Lawrence | |||
| Lee | Dixon | 11/30/07 | 2004 |
| Livingston | Pontiac | 11/26/07 | 2005 |
| Logan | East Lincoln | 2/24/07 | |
| West Lincoln | 2/24/07 | ||
| Macon | Decatur | 10/26/07 | 2005 |
| Hickory Point | 10/26/07 | 2005 | |
| Long Creek | 11/13/07 | 2005 | |
| South Wheatland | 10/26/07 | 2006 | |
| Macoupin | Virden | ||
| Madison | Alton | 09/10/07 | |
| Chouteau | 09/10/07 | ||
| Collinsville | 09/10/07 | ||
| Edwardsville | 09/10/07 | ||
| Granite City | 09/10/07 | 2005 | |
| Wood River | 09/10/07 | ||
| Marion | Salem | 2005 | |
| Mc Donough | Macomb | ||
| Mc Henry | Alden | 11/27/06 | 2005 |
| Algonquin | 12/27/07 | 2005 | |
| Burton | 2005 | ||
| Chemung | 12/13/07 | 2005 | |
| Coral | 12/31/07 | 2005 | |
| Dorr | 12/31/07 | 2005 | |
| Dunham | 2005 | ||
| Grafton | 2005 | ||
| Greenwood | 2005 | ||
| Hartland | 2005 | ||
| Hebron | 2005 | ||
| Marengo | 10/29/07 | 2005 | |
| Mc Henry | 12/31/07 | 2005 | |
| Nunda | 12/20/07 | 2005 | |
| Richmond | 2005 | ||
| Riley | 2005 | ||
| Seneca | 2005 | ||
| Mc Lean | Arrowsmith | 12/24/07 | 2005 |
| Bloomington | 1/11/08 | 2005 | |
| Bloomington-City | 1/11/08 | ||
| Normal | 12/03/07 | 2005 | |
| Mercer | Mercer | ||
| Monroe | Waterloo | ||
| Montgomery | Hillsboro | ||
| Morgan | Town of Jacksonville | 12/27/07 | |
| Moultrie | Lowe | 2004 | |
| Ogle | Flagg | 11/26/07 | 2004 |
| Peoria | Hollis | 11/05/07 | 2007 |
| Medina | 09/27/07 | 2007 | |
| Peoria | 10/18/07 | 2005 | |
| Perry | DeQuoin | ||
| Randolph | Sparta | ||
| Richland | Olney | 12/20/07 | |
| Rock Island | Black Hawk | 11/05/07 | 2005 |
| Coal Valley | 11/05/07 | ||
| Hampton | 11/05/07 | ||
| Port Byron | 11/05/07 | ||
| Rock Island | 11/05/07 | 2005 | |
| South Moline | 11/05/07 | 2005 | |
| Saline | Harrisburg | ||
| Sangamon | Capital | 9/24/07 | 2005 |
| Woodside | 9/24/07 | ||
| Stephenson | Freeport | 1/11/08 | 2006 |
| St. Clair | Bellville | 11/05/07 | 2005 |
| Caseyville | 12/03/07 | ||
| East St. Louis | |||
| St. Clair | |||
| Tazewell | Cincinnati | 12/31/07 | |
| Elm Grove | 11/21/07 | ||
| Fondulac | 9/28/07 | ||
| Pekin | 10/12/07 | ||
| Washington | 11/09/07 | ||
| Union | Anna | ||
| Vermillion | Danville | 08/10/07 | 2005 |
| Newell | 08/10/07 | 2005 | |
| Warren | Monmouth | ||
| Wayne | Big Mound | ||
| White | Carmi | 12/07/07 | |
| Whiteside | Coloma | 1/21/08 | 2006 |
| Sterling | 2006 | ||
| Will | Channahon | 09/24/07 | 2006 |
| Crete | 09/24/07 | 2006 | |
| Custer | 09/24/07 | 2006 | |
| Du Page | 09/24/07 | 2006 | |
| Florence | 09/24/07 | 2006 | |
| Frankfort | 09/24/07 | 2006 | |
| Green Garden | 09/24/07 | 2006 | |
| Homer | 09/24/07 | 2006 | |
| Jackson | 09/24/07 | 2006 | |
| Joliet | 09/24/07 | 2006 | |
| Lockport | 09/24/07 | 2006 | |
| Manhattan | 09/24/07 | 2006 | |
| Monee | 09/24/07 | 2006 | |
| New Lenox | 09/24/07 | 2006 | |
| Peotone | 09/24/07 | 2006 | |
| Plainfield | 09/24/07 | 2006 | |
| Reed | 09/24/07 | 2006 | |
| Troy | 09/24/07 | 2006 | |
| Washington | 09/24/07 | 2006 | |
| Wesley | 09/24/07 | 2006 | |
| Wheatland | 09/24/07 | 2006 | |
| Will | 09/24/07 | 2006 | |
| Wilmington | 09/24/07 | 2006 | |
| Wilton | 09/24/07 | 2006 | |
| Winnebago | Cherry Valley | 10/22/07 | |
| Harlem | 09/24/07 | 2007 | |
| Rockford | 09/24/07 | 2007 | |
| Roscoe | 09/24/07 | 2007 | |