Disabled applicants must complete form DTE 105E,. You are eligible for the homestead exemption if the trust agreement contains a provision that says you have complete possession of the property.Complete the application. A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation. The homestead can't exceed one acre in a city or 160 acres in a rural area. Enter the following information: •Name of the owner completing this application. •This owner's current mailing address and phone number. Homestead Hotline: 937-225-4341. Do you qualify for a Homestead Exemption tax break? A completed Homestead Exemption Application showing the homestead address.