In Ohio, if a homeowner doesn't apply for or upwards of a couple hundred dollars in savings per year. Temporarily loses his Homestead Exemption, he's out.Disabled applicants must complete form DTE 105E,. A homestead exemption either subtracts a percentage of your home's assessed value or a specific dollar amount. How to Apply for Homestead Exemption in Ohio. The homestead can't exceed one acre in a city or 160 acres in a rural area. Contact Us. If you need help obtaining or completing an application: Call: 216-443-7050, Prompt 1. This Video Shows you How to Complete an Application for Homestead Exemption. The homestead can't exceed one acre in a city or 160 acres in a rural area.