Construction Lac Brome inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 525-2249Licensed contractors in Cowansville
In Cowansville, 89 companies are listed as active in RBQ data dated November 5, 2026. 33 (37%) have held their licence for 10 years or more, the oldest since 1984; 3 got theirs in the last 90 days. Choose a trade.
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All companies
Michel Gélinas électrique inc.
Electricians
Call · 450 357-9634Les Pieux Protech inc.
Concrete and foundations
Call · 514 497-56369258-4796 Québec inc.
Renovation, construction and general work
Call · 450 531-9657Acrylibain inc.
Specialty contractors
Call · 819 212-1683Coffrages Dunasso 2001 Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 450 266-4004Tapis Cowansville inc.
Specialty contractors
Call · 450 263-46229170-6234 Québec inc.
Electricians
Call · 450 263-9180Les Maisons Horizon inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 375-7631Vitrerie Cowansville Inc.
Specialty contractors
Call · 450 266-0777Alliance Pharaonique pour la Construction et les Investissements Immobiliers inc.
Renovation, construction and general workNew home builders
Call · 514 817-6639Excavation St-Pierre et Tremblay inc.
Renovation, construction and general workSeptic systems
Call · 450 266-21009169-8829 Québec inc.
Specialty contractors
Call · 450 775-0279Réfrigération Leblanc inc
Heating, ventilation and air conditioning
Call · 450 522-0985Plomberie chauffage AC inc.
PlumbersHeating, ventilation and air conditioning
Call · 450 263-6119Les Constructions Julien Champigny inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 263-2730Maçonnerie Normandin inc.
MasonrySeptic systems
Call · 450 266-9966Excavation STR inc.
Renovation, construction and general workSeptic systems
Call · 450 266-2100R.P. Lemay inc.
Specialty contractors
Call · 514 830-85599261-0963 Québec inc.
Specialty contractors
Call · 450 525-06412756-1885 Québec inc.
Renovation, construction and general workRoofers
Call · 450 266-0730Pete Persons Terre Sable & Gravier Inc.
Septic systemsWells and water pumps
Call · 450 263-15749144-0297 Québec inc.
PlumbersHeating, ventilation and air conditioning
Call · 450 266-6169Distribution Solco inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 531-5464Construction Michel Laurendeau
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 372-5967B.R. électrique inc.
Renovation, construction and general workElectricians
Call · 450 263-0919ANL Maçonnerie inc.
Masonry
Call · 450 360-9997Hamann Construction Ltée
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 521-8369Fenêtre belle vue inc.
Renovation, construction and general workHeating, ventilation and air conditioningDoors and windows
Call · 450 263-2111Pavages Brome-Missisquoi inc.
Specialty contractors
Call · 450 266-40559247-6514 Québec inc.
Renovation, construction and general work
Call · 450 775-4651Gescon Symbiose inc
Renovation, construction and general work
Call · 450 521-9881Meubles Dimensions inc.
Specialty contractors
Call · 450 263-4448Contractors in Cowansville at a glance
As of November 5, 2026, 89 companies in Cowansville hold an active RBQ licence. Most of them work in these trades: renovation, construction and general work (35), heating, ventilation and air conditioning (16) and wood stoves and fireplaces (12).
Cowansville ranks 5th of 114 cities in the Estrie region for the number of licensed contractors.
89 companies have a published phone number and 33 have held their licence for 10 years or more.
Homes in Cowansville (2021 Census)
6,980households in a private dwelling
52%of dwellings built before 1981including 21% before 1961
50%of households own their home
40%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 Cowansville
- Avoid paying a large deposit before work starts, especially in cash.
- For larger jobs, insist on a written contract that sets out the price, the schedule and the payment terms.
- The RBQ licence number must appear on the quote, the contract and the invoice.
Other cities in the Estrie region
Sherbrooke 851Granby 381Magog 186Bromont 97Shefford 84Farnham 73Saint-Denis-de-Brompton 58Roxton Pond 53Lac-Brome 51Coaticook 49Saint-Alphonse-de-Granby 48Ascot Corner 41