San Marino is an affluent residential community in Los Angeles County, California, United States. It was incorporated on April 25, 1913.
San Marino is home to professors at the University of Southern California and the California Institute of Technology, media and finance executives, scientists working at the Jet Propulsion Laboratory, and many other professionals. With a median home price of $2,431,900, over 10 times the national average, San Marino is one of the most expensive and exclusive communities in Southern California.
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