Previous Next DescriptionPhotosOne By One Fitness is a fitness center service based in Milpitas, California serving Santa Clara County. Contact us for more details. One By One Fitness 691 S Milpitas Blvd Milpitas, CA 95035 (408) 890-0564 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