O'Brien Plumbing North Sydney is a leading plumbing contracting business providing reliable service in the areas of residential and commercial service, maintenance and installation. We offer experienced professionals to service all of your plumbing & electrical needs at competitive prices. We have been servicing Sydney's Eastern Suburbs, Sydney CBD and the Lower North Shore for over two decades. We are a full-service plumbing & Electrical company specializing in commercial, residential & general maintenance. We are your one stop shop for your all your general maintenance requirements.