There are no income and homestead value limits for categories 4V, 4S, 5, and 7. The. 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.The Nebraska homestead exemption program is a property tax relief program for three categories of homeowners: A. Persons over age 65;. B. Using the previous year's income to determine homestead exemption eligibility. Please fill out all fields before submitting your contact request.