DLG Excavation inc.
Renovation, construction and general workSeptic systems
Call · 450 533-5086In Brownsburg-Chatham, 14 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 6 (43%) have held their licence for 10 years or more, the oldest since 1988; 1 got its in the last 90 days.

Renovation, construction and general workSeptic systems
Call · 450 533-5086Septic systems
Call · 514 677-7488Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 450 533-9951Septic systemsWells and water pumps
Call · 819 242-8181Septic systemsWells and water pumps
Call · 450 562-9999Septic systems
Call · 438 525-8272Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 242-8181Concrete and foundationsSeptic systemsWells and water pumps
Call · 450 562-0323Septic systems
Call · 450 533-4460Renovation, construction and general workConcrete and foundationsSeptic systems
Call · 450 820-1018Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 562-6900Septic systemsWells and water pumps
Call · 450 512-5275Renovation, construction and general workConcrete and foundationsSeptic systems
Call · 514 838-1615Renovation, construction and general workSeptic systemsWells and water pumps
Call · 514 771-1400Ad · Featured placement · examplePreview only — this is not a contractor listing
Mirabel 62Saint-Jérôme 29Saint-Colomban 20Saint-Sauveur 19Mont-Tremblant 18Saint-Hippolyte 18Mont-Laurier 18Sainte-Sophie 18Sainte-Adèle 18Blainville 17Mont-Blanc 15Sainte-Marguerite-du-Lac-Masson 13
Looking for a septic system contractor in Brownsburg-Chatham? 3 of the 14 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (8), renovation, construction and general work (7) and concrete and foundations (5).
Brownsburg-Chatham ranks 12th of 65 cities in the Laurentides region for this trade, with 3% of the region's 486 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 Brownsburg-Chatham: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →