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.Are you 65 or older? Are you under 65 and disabled? A homestead exemption allows Ohioans who are considered lowincome, disabled, or are at least 65yearsold to reduce their property taxes. Real estate tax exemption is provided for qualified property owners, who are not less than 65 years of age or permanently and totally disabled.