Illinois Property Tax NewsLatest News On Illinois Property Tax Cook County property taxes skyrocketed over past 30 years, treasurer's study shows3/30/2026 5:08 PM Cook County assessor, Board of Review blame each other for skyrocketing Chicago property tax bills12/10/2025 5:53 PM Cook County assessor faces angry questions from West Side homeowners over sharp property tax hikes12/8/2025 11:35 PM South Barrington woman still waiting on $9K refund 1 year after proving home was wrongly assessed10/14/2025 9:50 PM Cook County homeowners await property tax refund delays due to assessment errors: 'Very frustrating'7/30/2025 7:19 PM Several homeowners waiting for Cook County to return thousands in overpaid property taxes7/29/2025 9:51 PM Some Cook County property tax bills delayed5/13/2025 1:09 PM Elgin Navy vet receives $28K in refund checks after ABC7 I-Team finds assessment error4/8/2025 8:48 PM Johnson's CPD budget could threaten progress on reforms required under court-ordered consent decree11/1/2024 6:57 PM Chicago City Council members worry about how proposed $300M property tax hike will impact residents11/1/2024 5:44 PM