This annual exemption reduces the Equalized Assessed Value (EAV) of a disabled veteran's home, likely lowering the total tax bill. Eligible Veterans must submit the initial exemption application form to the assessor.There is a deadline for filing. The Disabled Veterans Homestead Exemption allows for up to a. Applicants must file a Form PTAX-341, Application for Returning Veterans' Homestead Exemption, with the Chief County Assessment Office. To apply: Cook County Assessor's Office 118 North Clark Street, Room 320 Chicago, IL 60602 312.443.7550 You may file up to 4 exemptions. Illinois veterans and persons with disabilities may be eligible for tax relief through the property tax homestead exemptions and mobile home exemptions. Join us for a workshop to learn about the Cook County Assessor's Office and homeowner exemptions. This annual exemption reduces the Equalized Assessed Value (EAV) of a disabled veteran's home, likely lowering the total tax bill.