All homeowners automatically have a homeowner's exemption, which protects part of their equity from involuntary sales (foreclosures). Information and forms are available from the Sacramento ​County Public Law Library​.Blank forms may also be available at office supply stores. Requirements. 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. Sign your declaration in front of a notary. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. The Homestead Exemption is a crucial safeguard for California homeowners, providing a layer of financial protection against creditors. A homestead exemption is automatically applied to your residence but only upon the forced sale of the property.