Disabled applicants must complete form DTE 105E,. Various types of homestead exemptions are available, including those based on assessed home value and homeowner age.Who is eligible for a Homestead Exemption? Sixty-Five Years of Age or Older . Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners. Homestead Exemptions ; General Homestead-3 (GH-3). If you received a homestead exemption and are still living in the same residence, you are not required to reapply each year. Other homestead exemptions may exist for Veterans over the age of 65 and surviving spouses.