02/20/2026
The Cook County Treasurer has announced that the 1st installment of 2025 property taxes is due April 1, 2026.
Property owners should expect bills by early March (on or about the 2nd) and can check their status or pay online at:
www.cookcountytreasurer.com
Staying ahead of property tax deadlines helps avoid penalties and protects your property rights and investments.
Cook County Treasurer's Office - Chicago, Illinois