This exemption provides property tax savings with an annual reduction in the equalized assessed value of a property. Most homeowners are eligible for this exemption if they own and occupy their property as their principal place of residence.The BOR accepts exemption applications for approximately 30 days, four times each year. A property tax exemption is like a discount applied to your EAV. If you qualify for an exemption, it allows you to lower your EAV. This new feature is available in the "Tax Services" menu on the Chicago Business Direct dashboard. The Personal Property Lease Transaction Tax applies to businesses or individuals that either are a lessor or lessee of personal property used in Chicago. Join us for a workshop to learn about the Cook County Assessor's Office and homeowner exemptions. You do not need to fill out an application. Your Township Assessor will certify the improvement for exemption to our office.