For the first year of filing, a Certification of Disability for Homestead Exemption, Form 458B (available from the county assessor). Nebraska Homestead Exemption.Nebraska Homestead Helpline: (888) 475 - 5101. Homestead Exemption Application Form (Form 458) Form 458 Schedule I (Income Statement). Application for Real Property Tax Exemption For FirstTime Homebuyers of Newly Constructed Homes. Please call 402-444-7060, option 4 to schedule an appointment. Blank Homestead Forms. Web nebraska homestead exemption application, form 458 for filing after february 1, 2023, and on or before june 30, 2023.