Best Plumbers in St. John's, NL
11 contractors listed · 6 in St. John's · 3 open 24/7 · 4 open weekends · 10 rated 4.5+
Data verified October 16, 2026
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Avalon Plumbing & Heating Ltd
King's Plumbing & Heating Ltd
Bishop's Plumbing & Heating
Carriage House Mechanical Ltd
Air-Tite Sheet Metal Ltd
Listed for homeowners in and around St. John's, NL, these 11 companies cover plumbing work. Hours, licence claims and free estimate offers come from each company's own website. Ask about provincial workers compensation coverage too, since the work happens inside your home.

Area overview: St. John's, NL
6 of the 11 contractors we list are based in St. John's; the other 5 serve St. John's from Mount Pearl (5 km), Paradise (8 km) and Conception Bay South (15 km). The contractors on this page are rated from 4.4 to 5.0 across 521 reviews; 4 have 50 or more reviews and 10 are rated 4.5 or higher. 3 are open around the clock; 4 are open on Saturdays and 3 on Sundays. 2 have ten or more years of experience. 4 offer emergency call-outs; 1 offers financing or payment plans; 6 give free estimates and 2 are family- or locally-owned. We have a website on file for 9 of the contractors on this page; 8 publish a contact page and 7 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Why are some of these plumbers based outside St. John's?
St. John's is the base for 6 of the 11 listings here; the rest come from other towns within 20 km. Plumbers work across a service area, so a neighbouring base is normal. Ask how far they travel and whether the trip charge changes with distance.




