"Arch Plumbing is fully insured, bonded and licensed to operate in the state of California with central office in the heart of San Francisco. Our team of professionals has more than 20 years of plumbing experience, and each member is dedicated to providing quality work and customer service. We strive for excellence, timeliness and customer satisfaction in all that we do. Commercial and residential fire protection, plumbing service and repair. Design build plumbing system. Backflow testing and certification. High end custom homes."