For more information about the Homeowners' Exemption, please call (510) 272-3770. Address. 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. Claim for Homeowners' Property Tax Exemption, BOE-266, DOWNLOAD. All homeowners automatically have a homeowner's exemption, which protects part of their equity from involuntary sales (foreclosures). The City will grant a Certificate of Exemption only for units that are permanently exempt from the Rent Adjustment Ordinance. Please fill in your last, first and middle name, along with the parcel number and address. Complete a homestead declaration form. As it stands now, California law requires that a homestead exemption be used to buy another home within six months of receiving the exemption.