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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

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How often is property examined to make sure that the assessment is correct?

By law, each property, other than farmland, must be viewed, inspected, and revalued once every four years (every three years in Cook County). Farmland is reassessed each year. Between these general assessments, assessors may revalue property if its value is incorrect. Some counties are divided into assessment districts and one section is reassessed each year on a rotating basis. For more information see  Illinois Property Tax Code, 35 ILCS 200/9-155, 9-160, 9-220, and 9-225.

If you have additional inquiries, you may submit them on the Questions, Comments, or Requests form.