Pleasanton, Alameda County, California, USA

Pleasanton is a city in Alameda County in California’s San Francisco East Bay. The area was known as Alisal in the 1850s, when it served as a trading stop during the Gold Rush, and its development was shaped by the transcontinental railroad. Pleasanton incorporated on June 18, 1894, and its historic downtown centers on Main Street. Later suburban and commercial growth followed the Interstate 580 and 680 corridors, including the development of Hacienda Business Park in the 1980s.