Cook County's Appeal System Shifted $1.91B in Taxes from Businesses onto Homeowners

In Cook County, Illinois, the property tax appeal process itself -- intended to correct errors -- shifted $1.91 billion in property taxes from commercial property owners onto residential homeowners over a three-year period. Commercial property owners, who can afford attorneys and tax consultants, appeal at far higher rates and win larger reductions. Each successful commercial appeal doesn't reduce the county's total tax levy; it just redistributes the burden to everyone else. The result: homeowners in low-income, predominantly Black and Latino neighborhoods saw their bills increase by roughly 10%, while homeowners in high-income areas saw increases of only about 5%. The structural cause is that property tax is a zero-sum system within each taxing district -- every dollar of reduction won by one taxpayer is a dollar added to everyone else's bill -- but the appeal system is only accessible to those with resources, creating a regressive wealth transfer hiding behind a nominally fair process.