Cook County homeowners have all been granted an extension in paying their first-installment property tax bills for 2026.

County officials said they would be mailing 1.8 million first installment property tax bills for the 2025 tax year by March 2.

Property owners face an important tax deadline in the coming weeks, and Cook County Board President Toni Preckwinkle and Treasurer Maria Pappas are encouraging residents to plan ahead and take ...