Applications can be mailed to or dropped off at the Forsyth County Board of Tax Assessors office or either of the Tax Commissioners Offices listed above. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located.Complete a homestead declaration form. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. The proposed amendment authorized the state legislature to implement a statewide local-option homestead exemption from ad valorem taxes. Calculate how much you'll pay in property taxes on your home, given your location and assessed home value. Forsyth County residents seeking to apply for the homestead exemption, or the age 65 plus school tax exemption, can now do so online. The deadline for submitting applications is June 1. An annual application is required for continued participation in the Circuit Break Program!