Information and forms are available from the Sacramento County Public Law Library. Blank forms may also be available at office supply stores. Requirements.A Homestead Declaration is not a property tax form, and it is not filed with the Assessor's Office. 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. 0117). How to Apply for the Homeowners'. Exemption. Complete form BOE-266, Claim for Homeowners'. Download PDF BOE-266 REV. The Assessor is responsible for locating taxable property in the county and determining its assessed value. This is a California Counties and BOE website.