For more information about the Homeowners' Exemption, please call (510) 272-3770. Address. Homeowners' Exemption.Property Owners may request an exemption from various Special Assessments. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. The Oakland County Treasurer's Office is committed to helping individuals, families and business owners avoid tax foreclosure and keep their properties. This local option prevents any large shift of the property tax burden to the residential class of property owners after a revaluation. Construction or reconstruction must be substantially complete before January 1st of the year in which the reduction is requested. Applications are due before March 31 in the year in which the property is assessed and for which the credit is requested. Download and complete an Application for Homestead Tax Deferral (Form DR-570).