Mountain View is a city in Santa Clara County, California, United States, named for its views of the Santa Cruz Mountains. Mountain View was integral to the early history and growth of Silicon Valley, and is the location of many high technology companies. In 1956, William Shockley established Shockley Semiconductor Laboratory in Mountain View, the first company to develop silicon semiconductor devices in Silicon Valley. Today, Mountain View houses the headquarters of many of the world’s largest technology companies, including Google and Alphabet Inc., Unicode Consortium, Intuit, NASA Ames Research Center, and major former and current headquarter offices for Microsoft, Symantec, 23andMe, LinkedIn, Samsung, and Synopsys.
Mountain View has a pedestrian-friendly downtown centered on Castro Street. The downtown area consists of the seven blocks of Castro Street from the Downtown Mountain View Station transit center in the north to the intersection with El Camino Real in the south. The transit center links the Caltrain commuter rail and Santa Clara Valley Transportation Authority (VTA) light rail and bus systems.