Roofs summary
San Francisco, California has a recorded population of 827,526. For roofs, the page currently shows roof sections: ~ 58, leak attention points: ~ 23, seasonal risk sites: ~ 32, repair zones: ~ 29, housing units: 337,766. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.