Nebraska Homestead Exemption. Nebraska Homestead Exemption Application, Form 458.Nebraska Homestead Helpline: (888) 475 - 5101. To qualify for the Exemption Program, you must be at least 61 years of age OR disabled OR a disabled veteran with a 80 percent service-connected disability. Homestead applications must be filed with the county assessor after February 1, and on or before June 30 of each year. If you're a veteran moving to a different state, you'll want to know what exemptions you'll have to look forward to. Learn more in this post. A statebystate guide to VA property tax exemptions, deductions and credits available to former service members with VA disability ratings. For the past 20 years, the number of veterans in the United States has been dropping. Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners.