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.You don't have to file a homestead declaration to claim the homestead exemption in bankruptcy. In California, the bankruptcy homestead exemption is automatic. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. Buy a declared homestead form from an office-supply store, or download a form from the Registrar-Recorder's website. Download PDF BOE-266 REV. The due dates are November 1 and February 1 of every year. How do I get a homeowner's property tax exemption?