Excavation Amos Roy inc.
Septic systemsWells and water pumps
Call · 514 977-9853RBQ data dated November 3, 2026: 9 companies active in Les Cèdres for septic system work. 7 (78%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days. Closest: Saint-Lazare (11), Saint-Eustache (10) and Laval (132).

Septic systemsWells and water pumps
Call · 514 977-9853Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 926-1472Septic systemsWells and water pumps
Call · 450 510-0679Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 452-4831Renovation, construction and general workSeptic systems
Call · 514 755-5279Renovation, construction and general workSeptic systems
Call · 514 267-1609Septic systemsWells and water pumps
Call · 514 591-0016Concrete and foundationsSeptic systemsWells and water pumps
Call · 514 901-0504Septic systemsWells and water pumps
Call · 450 452-0400Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 234Saint-Lazare 11Saint-Eustache 10Laval 132Boisbriand 11Mirabel 62Blainville 17Brossard 16Longueuil 33Terrebonne 46Boucherville 17
Looking for a septic system contractor in Les Cèdres? All 9 companies on the list are also listed in other trades: wells and water pumps (7), renovation, construction and general work (3) and concrete and foundations (2).
In the Montérégie region, 553 companies work in this trade across 120 cities; Les Cèdres has 9 of them (14th).
The choice is limited in Les Cèdres. Companies from nearby cities in the region, such as Montréal (234), Saint-Lazare (11) and Saint-Eustache (10), may also serve your area: ask them.
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 Les Cèdres: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →