The Assessor's Office is responsible for setting fair and accurate values for 1.8 million parcels of Cook County property. The value of these properties is not determined on an individual basis, but rather by a mass appraisal system. The mass appraisal system is a way to put fairness into the entire assessment process.

Government

Cook County Assessor's Office

Wayne Williams

Michael Wagner

Tatia Gibbons

Nicole Jardine

Nathan Bernacchi

Mirella Villafuerte

Kelwin Harris

David Morrison

Angelina Romero

The Data and Analytics team at the Cook County Assessor's Office plays a crucial role in enhancing the mass appraisal system by leveraging advanced statistical methods and data analysis techniques. They are responsible for collecting, analyzing, and interpreting property data to ensure fair and accurate assessments across the county. Their insights help to inform valuation strategies, improve data integrity, and optimize the overall assessment process for over 1.8 million parcels.

Data and Analytics

Valuation and Property Analysis

Leadership Team

Data and Analytics

About

Team members

Other teams at Cook County Assessor's Office

Valuation and Property Analysis

Leadership Team