9310-3836 Québec inc.
Septic systemsWells and water pumps
Call · 418 662-1005Licensed contractors in Saint-Nazaire
RBQ data dated November 4, 2026: 16 companies active in Saint-Nazaire. 14 (88%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days. Choose a trade.
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9341-5271 Québec inc.
Specialty contractors
Call · 418 480-71939210-1930 Québec inc.
Renovation, construction and general workNew home builders
Call · 418 487-0213Ferme J.M.D.S.L. inc.
Renovation, construction and general work
Call · 418 668-2865Construction Signature A.D. inc.
Renovation, construction and general workNew home builders
Call · 418 662-00722845-8966 Québec inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 662-6320Constructions Proco inc.
Renovation, construction and general workHeating, ventilation and air conditioningConcrete and foundationsAccessibility lifts
Call · 418 668-3371Martial Maltais Pro-Service inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 482-99839222-4161 Québec inc.
Renovation, construction and general workRoofers
Call · 418 720-1566Gercom Construction inc.
Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 662-49589208-3369 Québec inc.
Renovation, construction and general workSeptic systems
Call · 418 662-9917Rénovation Marctôt inc.
Renovation, construction and general work
Call · 418 720-72139241-5009 Québec inc
Renovation, construction and general workSeptic systems
Call · 418 668-9177Maçonnerie Steeve Robitaille inc.
Masonry
Call · 418 662-2485Les Industries Duchesne Ltée
Specialty contractors
Call · 418 662-7813Thermafix A.J. inc.
Renovation, construction and general work
Call · 418 543-3364Contractors in Saint-Nazaire at a glance
Saint-Nazaire (region: Saguenay–Lac-Saint-Jean) has 16 companies with an active RBQ licence as of November 4, 2026. The most common trades: renovation, construction and general work (11), septic systems (5) and heating, ventilation and air conditioning (3).
Saint-Nazaire ranks 11th of 51 cities in the Saguenay–Lac-Saint-Jean region for the number of licensed contractors.
16 companies have a published phone number and 14 have held their licence for 10 years or more.
Homes in Saint-Nazaire (2021 Census)
835households in a private dwelling
59%of dwellings built before 1981including 22% before 1961
79%of households own their home
77%of dwellings are single-detached houses
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Tips for choosing a contractor in Saint-Nazaire
- Avoid paying a large deposit before work starts, especially in cash.
- Ask whether the company will use subcontractors: each of them needs its own licence.
- Check the licence status in the RBQ's official register on the day you sign.
Other cities in the Saguenay–Lac-Saint-Jean region
Saguenay 599Alma 147Dolbeau-Mistassini 67Saint-Honoré 40Saint-Félicien 38Roberval 31Mashteuiatsh 26Saint-Bruno 25Saint-Ambroise 23Normandin 17Chicoutimi 15Saint-David-de-Falardeau 14