The 2023 Nebraska Homestead Exemption Application is now available. The form must be filed with the Sarpy County Assessor's Office between Feb.You may reach their office at 402-444-6617. If you need an application, or have questions, you may contact our office at: 402-444-7060, option 4. Exemption applications must be filed with your local assessor's office. See our Municipal Profiles for your local assessor's mailing address. Applicants must also submit a resume and cover letter. You can get information about your property tax benefits, including: Application status, Current benefit amounts, Proposed benefit for the upcoming tax year.