CookCountyTaxCompare: The Free, Simple Tool to Check Your Property Tax Assessment If you own a home in Cook County, Illinois, chances are you’ve seen how property taxes can add up quickly. But what if your property tax assessment is too high? CookCountyTaxCompare offers a free, easy way for homeowners to check if they’re being overcharged on their property taxes. By entering just your property address, you can instantly compare your home’s assessment to...