How to Apply for Homestead Exemptions Homestead applications must be filed with the county assessor after February 1, and on or before June 30 of each year. Homestead exemption applications must be filed annually between February 2 and June 30.Application forms are typically available beginning February 2. If the exemption was previously granted and you no longer qualify for the exemption, the law requires that you notify the Assessor's Office as soon as possible. Form 458, Nebraska Homestead Exemption Application -- This form is currently unavailable. The 2024 form will be available February 2, 2024. Homestead Exemption Information Nebraska Department of Revenue. The 2023 Nebraska Homestead Exemption Application is now available. The form must be filed with the Sarpy County Assessor's Office between Feb.