Disabled applicants must complete form DTE 105E,. Apply for the homestead exemption in the year following the year in which income does not exceed the threshold.Who is eligible for the Homestead Exemption? Proof of age for both applicant and spouse (birth certificate, driver's license or passport). Proof of ownership (deed or tax bill). Homestead. The Homestead Program is designed to provide tax credit relief to citizens who are at least 65 years of age or permanently and totally disabled. How To File Homestead Exemption Tarrant County Have you ever had these questions? How do I file a homestead exemption? Homestead reduces property taxes to qualified senior or permanently disabled citizens. 3. What do I bring with me to apply for the Homestead Exemption Program?