Address: 387 Saint Paul Street, St. Catharines, ON, L2R 3N1 Phone: 289-434-0481 John The Plumber is the premier choice for superior plumbing services in St. Catharine's. As a 5-star plumbing company, we set the gold standard in providing efficient, reliable, and top-quality plumbing repairs. Whether you're grappling with clogged drains ...