Disabled applicants must complete form DTE 105E,. A homestead exemption application form ("DTE 105A") is available from the Ohio Department of Taxation.To qualify for the homeowners' exemption, the home must have been the principal residence of the owner as of January 1 of that tax year. The regular filing deadline is February 15th to receive the full exemption. A homestead exemption allows Ohioans who are considered lowincome, disabled, or are at least 65yearsold to reduce their property taxes. How your property taxes compare. See how your property tax rates compare to the top 50 metropolitan areas in the United States.