8579431 Canada inc.
Plumbers
Call · 514 617-2258Licensed contractors in Beauharnois
In Beauharnois, 97 companies are listed as active in RBQ data dated November 4, 2026. 34 (35%) have held their licence for 10 years or more, the oldest since 1984; 5 got theirs in the last 90 days. Close by: Châteauguay (246), Pointe-Claire (106) and Vaudreuil-Dorion (228). Choose a trade.
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All companies
3476677 Canada inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 450 225-2859Paul Bouchard électrique inc.
Electricians
Call · 450 225-7381Entrepreneur électricien Électra Volt inc.
Electricians
Call · 450 692-7979Climairco inc.
Heating, ventilation and air conditioning
Call · 514 744-8038Constructeurs Vigneault inc.
Renovation, construction and general work
Call · 514 893-0002Henri Dagenais et Fils inc.
Septic systemsWells and water pumps
Call · 450 429-72289174-5984 Québec inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 514 219-01259034-9325 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 514 918-0850JS Tanguay Excavation inc.
Specialty contractors
Call · 514 402-1216Les Constructions S. Lepage inc.
Renovation, construction and general work
Call · 514 475-5846Pimentel électrique inc.
Electricians
Call · 514 799-9304Réfrigération Inter Rive inc.
PlumbersHeating, ventilation and air conditioning
Call · 450 225-0282Jacques Dumas Construction Inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 503-4684Les Habitations Supérieures inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 571-2944Entreprises JMG Tisseur Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 429-4000Les sablages de plancher G.H. inc.
Specialty contractors
Call · 450 429-56969145-8612 Québec inc.
Plumbers
Call · 450 429-2622Cabanons Trois-Lacs Inc.
Renovation, construction and general work
Call · 450 395-15759125-2866 Québec inc.
Septic systemsWells and water pumps
Call · 450 225-5892Excavation MAC inc.
Call · 514 971-2026Réfrigération Amesse inc.
Heating, ventilation and air conditioning
Call · 450 225-3682Marcel Mercier Inc.
Specialty contractors
Call · 450 429-4040Excavation L. Martel inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 429-32489064-3594 Québec inc.
Specialty contractors
Call · 450 225-4403Entreprise Jean-Marc Tisseur inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 225-1150Les Constructions R. Brossoit inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 225-2460Construction J.P. Roy inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 429-31019189-0657 Québec inc.
Specialty contractors
Call · 450 429-58033095-9571 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systems
Call · 450 429-4748Prud'homme Technologies inc.
Call · 450 225-76379262-5540 Québec inc
Doors and windowsSpecialty contractors
Call · 450 429-4690Dagenais climatisation réfrigération inc.
ElectriciansHeating, ventilation and air conditioning
Call · 450 844-6646Grue Mobile Veilleux inc.
Specialty contractors
Call · 450 429-7489Contractors in Beauharnois at a glance
As of November 4, 2026, 97 companies in Beauharnois hold an active RBQ licence. Most of them work in these trades: renovation, construction and general work (40), heating, ventilation and air conditioning (17) and wood stoves and fireplaces (10).
Beauharnois ranks 26th of 157 cities in the Montérégie region for the number of licensed contractors.
97 companies have a published phone number and 34 have held their licence for 10 years or more.
Homes in Beauharnois (2021 Census)
6,290households in a private dwelling
54%of dwellings built before 1981including 30% before 1961
63%of households own their home
51%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 Beauharnois
- For larger jobs, insist on a written contract that sets out the price, the schedule and the payment terms.
- Check the licence status in the RBQ's official register on the day you sign.
- Ask whether the company will use subcontractors: each of them needs its own licence.
Nearby in Greater Montréal
Montréal 6,196Châteauguay 246Pointe-Claire 106Vaudreuil-Dorion 228Dollard-des-Ormeaux 152Saint-Lazare 195Saint-Eustache 343Laval 2,674Candiac 158La Prairie 137Boisbriand 267