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Homeowners: Applications for tax year 2025 exemptions are due Friday, May 15, 2026.

As a reminder, exemptions are applied to your second installment property tax bill (yellow colored bill), mailed later this year.

Review eligibility for property tax savings

Schedule an appointment

Market Investor Day on May 21, 2026

Join us for a day packed with key insights on property assessments, housing market trends, and how we are increasing predictability in property taxes.

See full agenda

Cook County Homeowners Saved $1.9 Billion Under Fritz Kaegi’s Reforms, University of Chicago Study Finds

A study was published by the University of Chicago that found our Office has made great progress in improving the fairness of residential assessments. We encourage you to read the study and learn about the changes we’ve made to improve residential assessments.

Download the Study

Read Press Release