The California Declaration of Rental Income (San Francisco Division) is a form used by landlords in the San Francisco area to report rental income and expenses for the purpose of taxation. It is required by the California Franchise Tax Board, and must be completed and filed by landlords on an annual basis. The form includes sections for reporting rental income, expenses, depreciation, and other deductions. There are three types of California Declaration of Rental Income (San Francisco Division): Form 590-R, Form 590-S, and Form 590-T. Form 590-R is for residential rental properties, Form 590-S is for commercial rental properties, and Form 590-T is for both residential and commercial rental properties.