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.
Join us for a webinar where you will learn how to navigate our enhanced tool that shows a greater level of detail for each property located in Cook County.