Entreprises R. & G. St-Laurent inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 589-5453In Baie-Comeau, 15 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 11 (73%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 589-5453Septic systemsWells and water pumps
Call · 418 297-0024Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 589-7366Septic systemsWells and water pumps
Call · 418 589-3354Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 589-6141Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 589-9009Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 296-2133Septic systems
Call · 418 295-1222Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-6021Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-9255Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 296-0064Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 445-2312Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 418 296-1444Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 296-2314Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 589-5484Ad · Featured placement · examplePreview only — this is not a contractor listing
Sept-Îles 19Port-Cartier 3Forestville 3Havre-Saint-Pierre 3Pessamit 3
Looking for a septic system contractor in Baie-Comeau? 1 of the 15 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (14), renovation, construction and general work (11) and concrete and foundations (9).
Baie-Comeau ranks 2nd of 21 cities in the Côte-Nord region for this trade, with 24% of the region's 63 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 Baie-Comeau: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →