Cook County Property Tax Appeal Deadlines for 2017
All property tax appeal windows for 2017 have closed. Click here for the 2018 calendar.
Below is a listing of deadlines for appealing your property taxes in your township in 2017 with both the Cook County Assessor and Board of Review.
- Dates in green have been announced (the window to appeal is now open)
- Dates in red have passed (the window to appeal has closed)
- Dates in gray are estimated based on previous years
The earliest you can submit a property tax appeal is the date listed as “Open for Filing” and no property tax appeal will be accepted after the “Closed for Filing” deadline.
Why appealing by yourself can cost you more money than using Kensington
Get Your Free Property Tax Reduction Estimate
| Cook County Township | Cook County Assessor Open for Filing |
Cook County Assessor Closed for Filing |
Cook County Board of Review Open for Filing |
Cook County Board of Review Closed for Filing |
|---|---|---|---|---|
| Barrington | March 10 | April 10 | August 1 | August 30 |
| Berwyn | April 28 | May 30 | September 25 | October 24 |
| Bloom | September 15 | October 16 | January 2 | January 31 |
| Bremen | April 17 | May 17 | August 28 | September 26 |
| Calumet | June 28 | July 28 | October 30 | November 28 |
| Cicero | March 21 | April 21 | August 1 | August 30 |
| Elk Grove | April 24 | May 24 | September 25 | October 24 |
| Evanston | February 23 | March 27 | August 1 | August 30 |
| Hanover | September 5 | October 5 | January 2 | January 31 |
| Hyde Park | July 20 | August 21 | December 18 | January 16 |
| Jefferson | July 26 | August 28 | December 11 | January 9 |
| Lake | September 1 | October 2 | December 18 | January 16 |
| Lake View | April 10 | May 10 | August 28 | September 26 |
| Lemont | May 8 | June 9 | August 28 | September 26 |
| Leyden | June 16 | July 17 | October 30 | November 28 |
| Lyons | May 25 | June 26 | October 30 | November 28 |
| Maine | May 11 | June 12 | September 25 | October 24 |
| New Trier | March 2 | April 3 | August 28 | September 26 |
| Niles | September 11 | October 12 | January 2 | January 31 |
| North Chicago | September 12 | October 13 | December 18 | January 16 |
| Northfield | August 1 | September 1 | December 18 | January 16 |
| Norwood Park | March 2 | April 3 | August 1 | August 30 |
| Oak Park | March 1 | April 3 | August 1 | August 30 |
| Orland | July 28 | September 14 | December 11 | January 9 |
| Palatine | March 30 | May 1 | August 1 | August 30 |
| Palos | April 3 | May 3 | August 28 | September 26 |
| Proviso | July 14 | August 14 | December 11 | January 9 |
| Rich | September 1 | October 2 | January 2 | January 31 |
| River Forest | February 2 | March 7 | August 1 | August 30 |
| Riverside | February 6 | March 10 | August 1 | August 30 |
| Rogers Park | January 30 | March 1 | August 1 | August 30 |
| Schaumburg | August 18 | September 18 | January 2 | January 31 |
| South Chicago | September 15 | October 16 | December 18 | January 16 |
| Stickney | June 8 | July 10 | October 30 | November 28 |
| Thornton | August 15 | September 15 | December 18 | January 16 |
| West Chicago | May 25 | June 26 | November 13 | December 12 |
| Wheeling | July 6 | August 7 | November 13 | December 12 |
| Worth | June 23 | July 24 | November 13 | December 12 |
Get Your Free Property Tax Reduction Estimate
2016 Cook County Property Tax Appeal Deadlines & Due Dates
Over 90% Success Rate on Property Tax Appeals & Protests
No Up-Front Fees