If you had a Homeowners' Exemption on the parcel identified below, complete and return this. Download PDF BOE-266 REV.To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. (a). A brief statement in summary form of the facts as set forth in the transcript. Buy a declared homestead form from an office-supply store, or download a form from the Registrar-Recorder's website. The applications filing period is from October 1 to February 10. This form must be filed with the assessor for the city or township where the property is located.