For the first year of filing, a Certification of Disability for Homestead Exemption, Form 458B (available from the county assessor). Forms for Individuals.Homestead exemption applications must be filed annually between February 2 and June 30. Application forms are typically available beginning February 2. How to Complete the Application. Fill out the other side of this application completely. Please call 402-444-7060, option 4 to schedule an appointment. Blank Homestead Forms. File Your Homestead Exemption. You must file your homestead exemption application with your county tax officials.