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.If you have not yet filed your 2024 Nebraska Homestead Exemption Application, you may still be eligible to apply for a property tax exemption. Douglas County has additional exemptions for 62 years of age or older, disabled veterans or their surviving spouses, and totally disabled homeowners. Application for Property Tax Exemption. The exemption is available to homeowners who meet specific eligibility requirements, such as age, disability status, or income level.