To open an electronic copy of the Application, click here . Eligible homeowners must: Be at least 65 years of age.Do you qualify for a Homestead Exemption tax break? The purpose of this article is to increase the maximum income exemption eligibility level for persons 65 years of age or over. Online: Go to Homestead Tax Credit Eligibility Application page, and complete the online form. Filing an online application will be faster than mailing one in. Applications must be filed with the County Auditor after the first Monday in January and on or before the first Monday in June. 451 W. Third St. Dayton OH 45422-1029. Attn: Homestead Dept. The Office of Veteran Services will follow-up with you upon receipt of your application is received.