This form must be completed in its entirety, signed, and filed after February 1 and on or before June 30 with your county assessor. Forms for Individuals.You must file the application (Form 458) with the county assessor's office where the original home resides between February 2 to June 30. Homestead exemption applications must be filed annually between February 2 and June 30. Application forms are typically available beginning February 2. This form is to be attached to and filed with the Nebraska Homestead Exemption Application or Certification of Status,. You must file between February 1 and June 30 EVERY YEAR in the Assessor's office. Property owners who received a homestead exemption last year will receive a form in the mail from the Assessor this year. Property held in the name of an entity such as a corporation, partnership, or limited liability company will not qualify. Gov or mail to: Adams County Assessor 300 N Saint Joseph Ave