The homestead exemption allows lowincome senior citizens and permanently and totally disabled Ohioans, to reduce their property tax bills. Disabled applicants must complete form DTE 105E,.A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation. Do you qualify for a Homestead Exemption tax break? How to Apply for Homestead Exemption in Ohio. Calculate how much you'll pay in property taxes on your home, given your location and assessed home value. Perhaps living members of my family can help me make corrections and fill in the gaps!