Constructions A.Y. Bouffard inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 937-7055RBQ data dated November 6, 2026: 14 companies active in Les Îles-de-la-Madeleine for septic system work. 6 (43%) 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 workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 937-7055Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 986-2474Septic systemsWells and water pumps
Call · 418 969-2632Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 937-7824Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 969-9183Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 969-1322Gaspé 10Sainte-Anne-des-Monts 5Maria 4Carleton-sur-Mer 3New Richmond 3Chandler 3Bonaventure 3
Looking for a septic system contractor in Les Îles-de-la-Madeleine? 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 (11), renovation, construction and general work (8) and concrete and foundations (8).
With 14 of the 63 companies in the Gaspésie–Îles-de-la-Madeleine region, Les Îles-de-la-Madeleine ranks first for this trade.
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 6, 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 Îles-de-la-Madeleine: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →