File the Form 458 and all Schedules with the county assessor where the homestead residence is located after. Homestead exemption applications must be filed annually between February 2 and June 30.Application forms are typically available beginning February 2. You must file the application (Form 458) with the county assessor's office where the original home resides between February 2 to June 30. Any person who wishes to apply for a homestead exemption must complete the Nebraska Schedule I —. Income Statement and attach it to the Nebraska Homestead. Accept and process homestead exemption applications. Accept and process personal property schedules. Property owners who received a homestead exemption last year will receive a form in the mail from the Assessor this year. 7 Individuals who have a developmental disability (Form 458B is required).