Inequities Plague Property Assessments in Illinois’ Cook County

Sept. 22, 2020, 10:15 PM

Illinois’ largest county has high levels of underassessment on high-end real estate, forcing low-end property owners to shoulder an unfair proportion of the total property tax burden, according to a study.

The Commercial Sales Ratio Study of Cook County, conducted by the International Association of Assessing Officers and released Monday, validates a 2017 investigation by ProPublica Illinois that revealed a pattern of inequality that provides financial benefits to taxpayers in wealthy neighborhoods and shifts tax burdens to minority communities.

The report affirms allegations of an unfair assessment system during the tenure of former assessor Joseph Berrios. He was ...

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