One Corporate Centre offers 328,000 square feet of executive office space disbursed between two buildings, One Corporate Centre with seven floors and Two Corporate Centre with ten floors. It features a courtyard with outdoor seating surrounding a large fountain connects the two buildings, on-site security, graphic print shop, impressive marble lobbies, views of Mount Diablo, after-hours, energy efficient air and lighting, card key security access systems and two parking facilities. It is located within a half mile of I-680 and Highway 242, and within one mile from BART. The contemporary, Class-A building has bands of concrete spandrel panels and reflective glass windows. Impressive marble lobbies. Spectacular views of Mt. Diablo.This building was awarded an Energy Star label in 2007, 2008, 2013, 2014, 2015, and 2016 for its operating efficiency.