Méca-fab inc.
Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 819 537-5727RBQ data dated November 3, 2026: 11 companies active in Shawinigan for plumbing work. 4 (36%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.

Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 819 537-5727Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 819 699-8291PlumbersHeating, ventilation and air conditioning
Call · 819 537-7722PlumbersHeating, ventilation and air conditioning
Call · 819 538-5454Trois-Rivières 39Louiseville 4Notre-Dame-du-Mont-Carmel 4La Tuque 3
Looking for a plumber in Shawinigan? 3 of the 11 companies on the list work in this trade only; the others are also listed in other trades: heating, ventilation and air conditioning (8), renovation, construction and general work (3) and new home builders (1).
In the Mauricie region, 73 companies work in this trade across 14 cities; Shawinigan has 11 of them (2nd).
On this page: Renovation permits in Shawinigan
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.
In Shawinigan, the City’s approval is required before work starts, except for minor maintenance such as painting or sealing a crack. For a house with 1 to 3 dwelling units, several kinds of work need only a free declaration of work, filled in before you start: cabinets and countertops, electrical wiring, insulation from the inside, flooring, plumbing, the heating system, a similar roof or exterior covering, doors and windows of the same size. Applications are made online.
Official pages: Permits and inspection (in French) ↗ · Renovation: declaration of work sheet (in French) ↗ · Printable checklist before you sign