Estimated number of housing units by year built
Nearly half of San Francisco’s housing units were built before 1940. Over 80% of units were constructed before 1980.
Source: Census Bureau, 2014 American Community Survey 5-Year Estimates. Selected Housing Characteristics.
Notes: This data is based on a sample survey conducted between 2010 and 2014. As a result, it does not fully capture units created since 2010.