M.E. Tremblay Démolition inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888In Dorval, 12 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 11 (92%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days. Close by: Laval (132), Montréal (234) and Saint-Eustache (10).

See also all the companies of West Island in Montréal.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888Septic systemsWells and water pumps
Call · 514 636-0085Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 946-6571Concrete and foundationsSeptic systemsWells and water pumps
Call · 514 683-5150Septic systemsWells and water pumps
Call · 514 683-9411Septic systemsWells and water pumps
Call · 514 631-4570Heating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 354-1643Septic systemsWells and water pumps
Call · 514 631-6867Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888Septic systemsWells and water pumps
Call · 514 631-4570Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 764-4666Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 234Laval 132Saint-Eustache 10Brossard 16Boisbriand 11Longueuil 33Boucherville 17Blainville 17Terrebonne 46Saint-Lazare 11Mirabel 62
Looking for a septic system contractor in Dorval? All 12 companies on the list are also listed in other trades: wells and water pumps (12), concrete and foundations (7) and renovation, construction and general work (5).
Dorval ranks 2nd of 14 cities in the Montréal region for this trade, with 5% of the region's 234 companies.
Useful guides: Septic tank pumping: how often and what to check
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: Septic systems in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a septic system contractor in Dorval: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →