New Homestead applicants are subject to an income means test. Homestead Exemption Form DTE 105A (PDF) Opens a New Window.The homestead exemp- tion provides a reduction in property taxes to qualified senior or disabled citizens, or a surviving spouse, on the dwelling that is that. If you own and live in a house in Fulton County, you may qualify for homestead exemption. Are you 65 or older? Are you under 65 and disabled? To apply, complete the application form DTE 105A, Homestead Exemption Application Form. The homestead exemption allows lowincome senior citizens and permanently and totally disabled Ohioans, to reduce their property tax bills. We encourage all applicants to file for homestead using our easy online e-File system. There is no easier way to file.