Homestead Exemption is one way to reduce the amount of property tax you pay on your residential property. You must file with the county or city where your home is located.Each county has different applications and required documents. APPLICATION FOR HOMESTEAD TAX EXEMPTION and FLOATING HOMESTEAD EXEMPTION. NAME. ADDRESS. PARCEL I.D. NO. To the Tax Commissioner of Forsyth County, Georgia. A real property mobile home is taxed with the land and may qualify for a homestead exemption. In order to file for homestead exemption, the homeowner must be the owner of record and occupy the property as the principal residence.