Table of Contents River Forest Homes Add $724.99 Million in Market Value Reassessment Shapes Townships Businesses Grow by 17% Appeal Season Begins with River Forest The Deadline for Assessor Appeals in River Forest is June 2, 2026 Successful Appeals Require Evidence O’Connor Secures Key Evidence and Utilizes Analytics River Forest has established itself as one … Read more
Illinois Property Taxes
Chicago Teachers Union Pushes Back on Chicago Bears Stadium Deal
Table of Contents Why the Bears Could Move Megaprojects and PILOTs The CTU Spearheads Opposition Potential Issues A Ticking Clock Taxpayers Have Options in Appeal Season O’Connor is on the Side of Taxpayers Debates over property taxes have become all the rage across the United States in 2026. In New York, a large increase in … Read more
The Cook County Tentative Equalization Multiplier Has Been Announced
Table of Contents The Tentative Equalization Factor is 2.8683 Cook County Equalization Sample Tax Bill Using the Tentative Factor Reassessment, Tax Rates, and the Equalization Factor Influence Taxes Appeals and Exemptions Lower Property Values Appeal Deadlines are Coming Fast O’Connor Offers Evidence and Analysis Currently, the southern and western suburbs of Chicago are set for … Read more
Tax Increment Financing Allows Cook County to Skirt State Tax Caps
Table of Contents Cook County’s Unique Position What are TIFs? Taxes from TIFs Increase 1000% The Downside of TIFs TIFs as a Loophole Legislative Options Property Tax Appeals O’Connor Helps Gather Evidence and Provides Analysis Illinois ranks among the highest in the nation, often competing with New Jersey for the top spot. Cook County is … Read more
Frequently Asked Questions About Cook County Property Taxes and Appeals
Table of Contents Why are Property Taxes in Cook County so High? Why Did Taxes Spike at the End of 2025? Can I Appeal My High Taxes? What is Unequal Assessment? What is the Difference Between Market and Assessed Value? What is the Equalization Factor? What are the Steps to Protest a Property in Cook … Read more
The 2026 Cook County Reassessment Targets Western and Southern Suburbs
Table of Contents The 2023 Reassessment The Error-Filled Year That Was 2025 Cook County Taxes Have Increased 182% in the Past 30 Years Communities Facing Reassessment Appeals Can Protect Homes and Businesses O’Connor Helps Taxpayers with Analysis and Evidence Anyone who lives in Cook County has learned to fear the reassessment cycle. This is the … Read more
Cook County Property Forfeiture and Tax Sales Ruled Unconstitutional, Delayed Until December 2026
Table of Contents The Annual Tax Sale An Unfair Tool of Inequality An Outcome Years in the Making More Lawsuits Ongoing Moving Forward Protect Your Home with Appeals, Exemptions, and More O’Connor Can Help Protect Your Home Cook County is currently embroiled in one of the worst property tax situations of the modern era. What … Read more
Why are Cook County Taxes so High?
Table of Contents Cook County Property Taxes Have Increased 182% in the Past 30 Years State Laws Circumvented School Districts Take the Lion’s Share Tax Incremental Financing The Old Pension Problem Local Governments Hunt New Revenue Sources Townships Increase Taxes Solutions Could be Difficult to Implement Appeals Protect Homeowners and Businesses O’Connor Supports Appeals with … Read more
Step-by-Step Guide to Illinois Property Tax Appeals
Table of Contents Step 1: Confirm When and How You Received Your Notice Step 2: Review Property Details for Errors Step 3: Verify Exemptions Step 4: Understand Your Market and Assessed Value Step 5: Decide If You Have Grounds to Appeal Step 6: Gather Evidence Step 7: File Your Appeal Before the Deadline Step 8: … Read more
Homeowners in Some Cook County Townships Cannot Pay Their Tax Bills Due to Large Increases
Table of Contents 2025 Sees Historic Issues Come to a Head Why the Spike Happened Taxes are Unaffordable for Working Families First Installment of 2026 Taxes Due April 1 Property Tax Appeals Can Bring Future Relief O’Connor Supports Appeals with Data and Analytics While property taxes became a focus across the country in 2025, the … Read more








