FOR COUNTY AUDITOR'S USE ONLY: Taxing district and parcel or registration number. Auditor's application number.This is a statewide program which reduces the property tax burden of qualified senior citizens and permanently and totally disabled homeowners. Complete the application. A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation. In 1970, Ohio voters approved a constitutional amendment permitting a Homestead Exemption that reduced property taxes for lower income senior citizens. The Homestead Exemption application can be filled out at the county auditor's office in which the property is located. Senior citizens (age 65 and older) and surviving spouse applications may be filled out and either submitted online or printed and mailed.