Disabled applicants must complete form DTE 105E,. File this form and all supporting documentation with the appraisal district office in each county in which the property is located generally between Jan.Standard Homestead Exemption allows low income senior citizens and permanently, totally disabled Ohioans to reduce their property tax bills. 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. This Video Shows you How to Complete an Application for Homestead Exemption. Homestead exemption holders are being asked to reapply for their exemption to confirm that they still qualify. A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation. A property owner must apply for an exemption in most circumstances. How To File Homestead Exemption Collin County Have you ever had these questions? How do I file a homestead exemption?