How do I apply for the homestead exemption? 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. For the first time, people who file for the Homestead Tax Exemption can do it online. How to apply for a homestead exemption. Homestead Exemption Franklin County Auditor. Forms for filing a complaint for revaluation of your real property through the Franklin County Auditor's office. These decisions are not published. The deadline is approaching to apply for Franklin County's Property Tax Assistance Program. The following information may be helpful to you as you complete your application for Real Property Tax Exemption and Remission (Form DTE 23):.