You must file with the county or city where your home is located. Each county has different applications and required documents.Homestead Applications are Filed with Your County Tax Officials - Application for homestead exemption must be filed with the. For your convenience, Fulton County taxpayers may file application for homestead exemption through our online portal. Applications are accepted in person year-round. If applying online, current year exemptions must be applied for between January 1 and April 1. A homestead exemption is a legal provision that helps to reduce the amount of property taxes on owner-occupied homes. The home must be your primary residence. Property address- property address where applicant(s) is applying for exemption. The "Save Our Homes Act" takes effect Jan. 1.