In 1858, Sun Water Station, a stage station of the Butterfield Overland Mail route, was established in San Mateo. It was located south of Clarks Station in what is now San Bruno and 9 miles north of the next station at Redwood City.Waterman L. Ormsby, Lyle H. Wright, Josephine M. Bynum, The Butterfield Overland Mail: Only Through Passenger on the First Westbound Stage, Henry E. Huntington Library and Art Gallery, 2007. pp. 92–93
