To apply for a Homestead Exemption online, you need to provide electronic copies of the documents listed below. A homestead exemption can benefit homeowners if one spouse in a twoincome household dies.This exemption lasts up to four years. Application Due Date: No application is required. This can provide asset protection from creditors for at least some of house's value. Click here to download the homestead exemption application. Homeowners in Louisiana are eligible for the homestead exemption, which can significantly reduce property taxes owed. Compare your property tax rate against rates in the top 50 metros. However, even taxpayers who use their home as their primary residence may qualify for the Homestead Exemption. Another important exemption is the Senior Citizens Homestead Exemption.