Disabled applicants must complete form DTE 105E,. The homestead exemption allows lowincome senior citizens and permanently and totally disabled Ohioans, to reduce their property tax bills.This is a property tax savings program for those aged 55 or older who are selling their home and buying another home. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. A homestead exemption allows Ohioans who are considered lowincome, disabled, or are at least 65yearsold to reduce their property taxes.