Homestead exemption applications must be filed annually between February 2 and June 30. Application forms are typically available beginning February 2.How to Apply for Homestead Exemptions Homestead applications must be filed with the county assessor after February 1, and on or before June 30 of each year. Disabled applicants must complete form DTE 105E,. The Nebraska homestead exemption is a tax relief program that takes some of the cost of property taxes off of certain homeowners. I also declare that I am entitled to the Nebraska homestead exemption and have not applied for a homestead exemption elsewhere in the state. You must file between February 1 and June 30 EVERY YEAR in the Assessor's office. The Nebraska homestead exemption is a tax relief program that takes some of the cost of property taxes off of certain homeowners. Volunteers Assisting Seniors will be at the following locations to help fill out your Homestead Exemption Application. This service is free.