This data set includes the Office of the Assessor-Recorder’s secured property tax roll spanning from 2007 to 2015. It includes all legally disclosable information, including location of property, value of property, the unique property identifier, and specific property characteristics. The data is used to accurately and fairly appraise all taxable property in the City and County of San Francisco. The Office of the Assessor-Recorder makes no representation or warranty that the information provided is accurate and/or has no errors or omissions. Please see the attached documentation under About for more.