Pittsburg Automotive has been serving the East Contra Costa Bay area from Brentwood and Antioch all the way down to Pittsburg, Bay Point, and Concord for over 25 years. We pride ourselves on excellence of work, and on a friendly and knowledgeable staff. Pittsburg Automotive has been serving the East Contra Costa Bay area from Brentwood and Antioch all the way down to Pittsburg, Bay Point, and Concord for over 25 years. We pride ourselves on excellence of work, and on a friendly and knowledgeable staff.