Plomberie M. Roy inc.
Plumbers
Call · 514 265-5029RBQ data dated November 3, 2026: 2 companies active in Saint-Mathias-sur-Richelieu for plumbing work. 1 (50%) has held their licence for 10 years or more, the oldest since 2013; none got its licence in the last 90 days. Nearest towns: Longueuil (53), Brossard (14) and Boucherville (14).

Plumbers
Call · 514 265-5029Renovation, construction and general workElectriciansPlumbers
Call · 450 403-3324Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 351Longueuil 53Brossard 14Boucherville 14Repentigny 34Terrebonne 49Laval 157Châteauguay 16L'Assomption 15Mascouche 27Boisbriand 16
In Saint-Mathias-sur-Richelieu, 2 companies are allowed by their RBQ licence to do plumbing work. Before you ask a plumber for a quote, check that the licence covers your job.
In the Montérégie region, 417 companies work in this trade across 97 cities; Saint-Mathias-sur-Richelieu has 2 of them (46th).
The choice is limited in Saint-Mathias-sur-Richelieu. Companies from nearby cities in the region, such as Montréal (351), Longueuil (53) and Brossard (14), may also serve your area: ask them.
Useful guides: Hiring a plumber in Montréal: RBQ licence and CMMTQ · Lead pipes and drinking water: check your service line · Water damage insurance claim: step by step
Open data of the Régie du bâtiment du Québec as of November 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Plumbers in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a plumber in Saint-Mathias-sur-Richelieu: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →