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.Must complete and submit DTE Form 105H, Addendum to the Homestead Exemption Application for Senior Citizens, Disabled Persons and Surviving Spouses. Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners. Ohio's homestead exemption reduces the property tax burden of lowincome senior citizens as well as permanently disabled Ohio residents. Additionally, every state but Delaware offers a version of property tax relief for veterans or disabled veterans. Official website of the U.S. Social Security Administration. This is the case for homeowners claiming exemptions as disabled veterans.