Les installations électriques L. R. Gingras inc.
Electricians
Call · 450 263-3464Licensed contractors in Dunham
In Dunham, 31 companies are listed as active in RBQ data dated November 3, 2026. 11 (35%) have held their licence for 10 years or more, the oldest since 1989; 2 got theirs in the last 90 days. Choose a trade.
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All companies
9268-7912 Québec inc.
Renovation, construction and general work
Call · 514 295-94169267-1171 Québec inc.
Renovation, construction and general work
Call · 450 295-93449316-4556 Québec inc.
Renovation, construction and general workNew home builders
Call · 450 775-8936Soudure Mobile C.Tardif inc.
Specialty contractors
Call · 450 266-10349291-8630 Québec inc.
Renovation, construction and general work
Call · 450 295-23539545-5366 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 538-3782L'Atelier J.P.E. Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 450 538-0335Excavation Éloi Beaudoin inc.
Septic systemsWells and water pumps
Call · 450 263-0770Contractors in Dunham at a glance
As of November 3, 2026, 31 companies in Dunham hold an active RBQ licence. Most of them work in these trades: renovation, construction and general work (16), heating, ventilation and air conditioning (5) and new home builders (3).
Dunham ranks 66th of 157 cities in the Montérégie region for the number of licensed contractors.
31 companies have a published phone number and 11 have held their licence for 10 years or more.
Homes in Dunham (2021 Census)
1,515households in a private dwelling
59%of dwellings built before 1981including 26% before 1961
83%of households own their home
89%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 Dunham
- The RBQ licence number must appear on the quote, the contract and the invoice.
- Ask for at least two or three written quotes and compare the description of the work, not just the price.
- Avoid paying a large deposit before work starts, especially in cash.
Other cities in the Montérégie region
Longueuil 1,015Saint-Jean-sur-Richelieu 753Brossard 370Saint-Hyacinthe 338Boucherville 264Châteauguay 246Salaberry-de-Valleyfield 244Vaudreuil-Dorion 228Sainte-Julie 214Saint-Lazare 195Chambly 193Carignan 187