1. When did you acquire this property? Complete a homestead declaration form.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. Complete form BOE-266, Claim for Homeowners'. Property Tax Exemption. To claim the exemption, the homeowner must make a one-time filing with the county assessor where the property is located. The Tenement Museum is a nonprofit cultural institution that welcomes you into the historically recreated homes of immigrants, migrants and refugees. The homestead exemption will last until the end of the year and you will have until March 1st to apply for homestead exemption. Employers: Use Business Services Online (BSO) to submit W-2s. In 1976, he co-founded Apple Computer with his early business partner Steve Jobs.