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.Standard Homestead Exemption allows low income senior citizens and permanently, totally disabled Ohioans to reduce their property tax bills. A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation. This Video Shows you How to Complete an Application for Homestead Exemption. President Abraham Lincoln signed the Homestead Act on May 20, 1862. It's just five pages it's really pretty simple to fill it out it doesn't cost you anything you can only do it from January 1st through April 30th. How to Apply for Homestead Exemption in Ohio. You must apply with your county appraisal district to get a homestead exemption. Applying is free and only needs to be filed once.