Disabled applicants must complete form DTE 105E,. Overview of the Homestead Act.The homestead exemption allows lowincome senior citizens and permanently and totally disabled Ohioans, to reduce their property tax bills. Check List – Fill out the Homestead Declaration Form completely, sign it and have it notarized. Fill out Form DTE 105A (PDF) and file it with the county auditor (in the county where the property resides) if you would like to apply. A homestead exemption can benefit homeowners if one spouse in a twoincome household dies. Cleveland, OH 44115. Forms. Douglas County has additional exemptions. Sign and date the form once you have filled in these lines. Completing these steps helps to protect your privacy.