Assessment Calendar and Deadlines
Update: 5/31/2024
The 2021 assessment and appeal sch22edule coincides with the implementation of iasWorld, a new integrated property tax system.
This upgrade moves us off an aging mainframe system onto a state-of-the-art platform that allows property owners to more easily access and update property data.
Therefore, assessment mailing dates and appeal dates are subject to change. Please plan accordingly. Information will be published as it becomes available. Our phone lines remain open to the public during normal business hours and assistance is available via our website and social media channels.
South and West Suburbs 2023
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2022 Assessment Calendar: North Suburbs
2022 Assessment Calendar: South/West Suburbs and City of Chicago
2023 Assessment Calendar: City of Chicago
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