Illinois

Assessments
Assessment Date: Jan. 1 of the current year
Personal Property Assessment Ratio: 0%
Real Estate Assessment Ratio: 33%-except Cook County: 38% for commercial property

Renditions
Personal Property Return Deadline: The state does not tax personal property.
Exemptions: Not Applicable
Real Estate Return Deadline: Not Required
Requirements: Not Applicable

Appeals

Reappraisal Cycle: 3 years & Equalizations
Appeal Period: Various
Appeal Deadline: Within 30 days from notice date

Audits

The state does not audit personal property.

Tax Bills
Personal Property Due Date: Not Applicable
Number of Payments: Not Applicable
Real Estate Due Date: Various
Number of Payments: Varies, but usually two
Period Covered: Jan. 1 of the current year through Dec. 31 of the current year

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