Nebraska Homestead Exemption. Nebraska Homestead Helpline: (888) 475 - 5101.Nebraska Homestead Exemption Application, Form 458. For more information or to apply, Veterans should contact the County Treasurer in their county of residence. Nebraska County Treasurer Directory. The DVA Certification Letter can be requested through the Sarpy County Veteran's Service Office (VSO). Click on the button for an application for Disabled Veterans Exemption. This is the case for homeowners claiming exemptions as disabled veterans. For a closer look, let's break down how much you could get with a homestead exemption.