If your Certificate of Error for valuation corrections has been approved and you are waiting for a refund, please check with the Cook County Treasurer’s Office for updates on timing of refunds. Check this alert banner for regular updates.
Holiday Observance
In observance of Memorial Day our offices will be closed Monday, May 25, 2026. We will resume normal operations on Tuesday, May 26, 2026.
Homeowners: Applications for tax year 2025 exemptions are due Friday, May 15, 2026.
Applications received after May 15, 2026 will processed as a Certificate of Error application. As a reminder, exemptions are applied to your second installment property tax bill (yellow colored bill), mailed later this year.
Let's Chat: History, Affordable Housing, Advocacy in Chicago's AAPI Community
Join us in person to dive into the rich history and ongoing advocacy efforts surrounding housing issues in Chicago's AAPI community. This is a great chance to connect, learn, and be part of the conversation. Did we mention it is also Affordable Housing Month. Don't miss out on this engaging and informative event!