Cook County’s property tax assessment schedule through 2020 is broken into three sections:
- City Tri: 2012, 2015, 2018 – all City of Chicago townships
- North Tri: 2013, 2016, 2019 – all Cook County townships north of North Avenue not in the City of Chicago
- South Tri: 2014, 2017, 2020 – all Cook County townships south of North Avenue not in the City of Chicago
Below is the Cook County property tax assessment schedule listed by township in alphabetical order:
| Barrington | 2013, 2016, 2019 |
| Berwyn | 2014, 2017, 2020 |
| Bloom | 2014, 2017, 2020 |
| Bremen | 2014, 2017, 2020 |
| Calumet | 2014, 2017, 2020 |
| Cicero | 2014, 2017, 2020 |
| Elk Grove | 2013, 2016, 2019 |
| Evanston | 2013, 2016, 2019 |
| Hanover | 2013, 2016, 2019 |
| Hyde Park | 2012, 2015, 2018 |
| Jefferson | 2012, 2015, 2018 |
| Lake | 2012, 2015, 2018 |
| Lakeview | 2012, 2015, 2018 |
| Lemont | 2014, 2017, 2020 |
| Leyden | 2013, 2016, 2019 |
| Lyons | 2014, 2017, 2020 |
| Maine | 2013, 2016, 2019 |
| New Trier | 2013, 2016, 2019 |
| Niles | 2013, 2016, 2019 |
| North | 2012, 2015, 2018 |
| Northfield | 2013, 2016, 2019 |
| Norwood Park | 2013, 2016, 2019 |
| Oak Park | 2014, 2017, 2020 |
| Orland | 2014, 2017, 2020 |
| Palatine | 2013, 2016, 2019 |
| Palos | 2014, 2017, 2020 |
| Proviso | 2014, 2017, 2020 |
| Rich | 2014, 2017, 2020 |
| River Forest | 2014, 2017, 2020 |
| Riverside | 2014, 2017, 2020 |
| Rogers Park | 2012, 2015, 2018 |
| Schaumburg | 2013, 2016, 2019 |
| South | 2012, 2015, 2018 |
| Stickney | 2014, 2017, 2020 |
| Thornton | 2014, 2017, 2020 |
| West Chicago | 2012, 2015, 2018 |
| Wheeling | 2013, 2016, 2019 |
| Worth | 2014, 2017, 2020 |
The Law Office of Beth Mann, P.C. 