For more information, or to apply for the Homestead Exemption contact the Washington County Auditor's Office at (740) 373-6623 Ext 2123. Disabled applicants must complete form DTE 105E,.Findings—2021 c 290: "The legislature finds that the homestead exemption is intended to protect the homeowner's equity in a home against unsecured creditors. Attention: Before filling out form, download and save to your computer. Application for Property Tax Exemption. COLUMBUS, Ohio Major changes are expected to come to Ohioans who use the homestead exemption to reduce their property taxes. DTE 105G - Addendum to the Homestead Exemption Application for Senior Citizens, Disabled Persons and Surviving Spouses. Click "View More Options" under the "Real Property" tile, then select "Submit a Homestead Deduction Application" under "Real Property Quick Links. Property owners must apply for the Homestead Exemption and reside in the home for which they are applying. Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners.