Ways to lower Illinois property taxes: (1) file an appeal if overassessed (during your township's window); (2) claim exemptions—Homeowner, Senior Citizen Homestead, Senior Freeze, and disability/veteran/long-time-resident exemptions; (3) correct property-record errors (sometimes via a Certificate of Error); (4) review comparable assessments; and (5) watch reassessment years in the three-year cycle.
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