Claim For Homeowners Property Tax Exemption. To claim this exemption you must be the owner or co-owner or a purchaser named in a contract of sale.Total of 110 forms are available for Kings County for 2025. The claim form, BOE-266, Claim for Homeowners' Property Tax Exemption, is available from the county assessor. Before you use this form, fill in all blanks, and make whatever changes are appropriate and necessary to your particular transaction. Consult a lawyer if. Homestead Exemption Types. Requirements; Eligible Properties; Amount of Exemption ; Abandonment of Homestead. Form(s) and Documentation. Select all exemption(s) for which you are applying: Basic Homestead Exemption.