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. If you believe your property is exempt from the Rent Adjustment Program, you may get a Certificate of Exemption. Download PDF BOE-266 REV. Complete a homestead declaration form. To qualify for an exemption, the property must be granted a Property Tax Exemption from the Alameda County. Total of 69 forms are available for Alameda County for 2024. Oakland, CA 94609. VACANTPROPERTYTAX.OAKLANDCA.GOV.