Constructions Renaud & Vigneau inc.
Renovation, construction and general workNew home buildersWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 986-6831Septic systems in Les Îles-de-la-Madeleine
RBQ data dated November 4, 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.
Get quotes for septic system work in Les Îles-de-la-MadeleineFree, no obligation: describe your work once; your request is saved privately and we will ask you to confirm it before anything is sent to licensed companies.
Get my free quotes →P. A. Excavation inc.
Septic systems
Call · 418 937-7696Les Entreprises Larebel inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 986-2474Construction A.J.C. inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 969-9183P. & B. Entreprises Ltée
Septic systemsWells and water pumps
Call · 418 969-2632Les Entreprises A. Poirier et Fils inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 937-78249545-4591 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 614-1122Constructions A.Y. Bouffard inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 937-70559319-3837 Québec inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 969-1322Architecture Boudreau inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 986-6200F.G. Poirier Excavation Inc.
Septic systemsWells and water pumps
Call · 418 986-5202Terrassement Maxime Deblois inc.
Concrete and foundationsSeptic systemsWells and water pumps
Call · 418 937-18799507-4803 Québec inc.
Septic systems
Call · 418 937-8742Renaud & Frères inc.
Septic systems
Call · 418 937-5448Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Les Îles-de-la-Madeleine and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Gaspé 10Sainte-Anne-des-Monts 5Carleton-sur-Mer 4Maria 4New Richmond 3Chandler 3Bonaventure 3
Other trades in Les Îles-de-la-Madeleine
Finding a septic system contractor in Les Îles-de-la-Madeleine
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 64 companies in the Gaspésie–Îles-de-la-Madeleine region, Les Îles-de-la-Madeleine ranks first for this trade.
The RBQ numbers: septic systems in Les Îles-de-la-Madeleine
14companies with an active licence
0new licences in 90 daysnone in the last 30 days
6have held their licence for 10 years or more43% · the oldest since 1984
11have a $40,000 licence bondand 3 at $20,000 · may compensate a client under RBQ rules
- All of them have a published phone number: you can call them directly.
- Most common subcategories: 2.4 On-site wastewater (septic) systems (14), 2.2 Non-drilled water catchment works (10), 1.4 Roads and pipelines (9), 1.2 Small buildings (8).
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Homes in Les Îles-de-la-Madeleine (2021 Census)
5,580households in a private dwelling
54%of dwellings built before 1981including 23% before 1961
75%of households own their home
84%of dwellings are single-detached houses
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 →