City and County of San Francisco - Official City Homepage
Here is a sampling of some of the departments and the reports available:
San Francisco Public Library - Government Information Center. This is an excellent resource for finding city government information.
San Francisco History Center part of the San Francisco Public Library. The Center is also the official archives for the City and County of San Francisco.
San Francisco Unified School District
San Francisco Property Information Map use this to retrieve data on specific properties
SF Find merges census, government and city data all in one platform specifically designed for the city of San Francisco.
Sustainable Communities Index provides access to hard-to-find community data, broken down by neighborhood.
San Francisco Health Improvement Project
Get a snap shot of the health status and quality of life in San
Francisco using easy-to-interpret color-coded gauges and maps. Find health data and demographic data by neighborhood, zip code, and citywide.
San Francisco Crime Data find data on crime in the vicinity of any San Francisco address.
Association of Bay Area Governments
Metropolitan Transportation Commission
Bay Area Census Data