About Tres Pinos CDP, California
Tres Pinos is a census-designated place (CDP) in San Benito County, California, United States. The population was 1,669 at the 2010 census. Tres Pinos is located 6.5 miles (10 km) east-southeast of Hollister, at an elevation of 569 feet (173 m).
The first post office in Tres Pinos opened in 1871. The name is derived from the Spanish for “three pines.”