Cook County Assessor’s COVID-19 Adjustments to 2020 Property Assessments in the North Suburbs and City of Chicago Cook County

This report contains a summary of the methodologies used by the CCAO to produce COVID-19 adjustments for residential and commercial property values for townships in the north suburbs and the City of Chicago.

2020 assessed values affect the second installment property tax bills issued by the Cook County Treasurer in summer of 2021.