Find 2 Plumbing Contractors You Can Count On in Oshawa, ON

Throne Plumbing delivers expert residential, commercial, and industrial plumbing services across the Greater Toronto Area and Durham Region. Specializing in emergency repairs, system installations, and preventative maintenance, our certified team utilizes advanced diagnostics and CSA-approved components. We combine technical expertise with customer-centric service to ensure reliable, code-compliant solutions for properties of all types.

Vaillancourt Plumbing & Drains delivers expert plumbing and drainage solutions across Durham Region. Established in 1955, we specialize in backflow prevention, backwater valve installation, bathroom renovations, and emergency services. Our family-owned business combines traditional craftsmanship with modern technology to ensure reliable, code-compliant results for residential and commercial clients.