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. Find this information on the current deed. This can be found on the current deed or the tax bill. Complete a homestead declaration form. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. If you move, you must file an application for a new exemption.