Bay Alarm Company Categories Alarms/Security Systems 5130 Commercial Circle Concord CA 94520 (925) 808-4805 (925) 808-4524 Visit Website About Us Commercial and residential security install and monitoring Rep/Contact Info Preston English × Preston English Sales Manager Phone: (925) 808-4805 Cell Phone: (925) 293-6757 Send an Email Amber Paulo × Amber Paulo Office Manager Phone: (925) 808-4802 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×