DatasetAdded By Infochimps
The CityLots spatial data layer is a representation of the City and County of San Francisco’s Subdivision parcels. Each of the 193,000-plus polygons has a unique BLKLOT identifier which is the Assessor Parcel Number (APN) Multiple level (condominium, live/work, et al) lots are represented as well, with their ground or base lot being the MAPBLKLOT key.
Data dictionary: FGDC metadata
Agency name: Department of Public Works