1. When did you acquire this property? To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located.0117). How to Apply for the Homeowners'. Exemption. Complete form BOE-266, Claim for Homeowners'. Total of 86 forms are available for Santa Clara County for 2024. To qualify for the homeowners' exemption, the home must have been the principal residence of the owner as of January 1 of that tax year. Templates and Forms ; Homestead Exemption Types. Requirements; Eligible Properties; Amount of Exemption ; Abandonment of Homestead. Total of 111 forms are available for Santa Clara County for 2024. If you meet the criteria, complete the application and return it with proof of age.