Previous Next DescriptionPhotosTobias Young Fitness is a fitness center service based in Brentwood, California serving Contra Costa County. Contact us for more details. Tobias Young Fitness 1093 Beau Ave Brentwood, CA 94513 (925) 281-2424 Local Gym Guide Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Next