2731-6116 Québec inc.
Septic systemsWells and water pumps
Call · 418 248-3002Septic systems in Montmagny
In Montmagny, 14 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 10 (71%) 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 MontmagnyFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →Terrassement Giguère inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 241-9607Les entreprises JRMorin inc.
Renovation, construction and general workNew home buildersSeptic systemsWells and water pumps
Call · 418 248-0937Les Entreprises J.F.E. inc.
Septic systems
Call · 418 234-6554Martin Mercier inc.
Renovation, construction and general workSeptic systems
Call · 418 248-2300Excavation Léandre Chabot inc.
Renovation, construction and general workSeptic systems
Call · 418 248-18669164-2405 Québec inc.
Septic systemsWells and water pumps
Call · 418 248-0937Constructions HDF inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 246-52199231-2370 Québec Inc.
Renovation, construction and general workSeptic systems
Call · 418 999-7709Terrassements Joncas Et Frères inc.
Septic systemsWells and water pumps
Call · 418 248-2585Escali-Pro inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 248-4646Jacques & Raynald Morin Inc.
Septic systemsWells and water pumps
Call · 418 248-0937Les Entreprises Gilbert Cloutier inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 248-47639128-7359 Québec Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systems
Call · 418 241-8338Ad · Featured placement · examplePreview only — this is not a contractor listing
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Other cities
Lévis 53Saint-Georges 31Sainte-Marie 12Thetford Mines 10Saint-Lambert-de-Lauzon 9Saint-Henri 8Beauceville 7Saint-Jean-Port-Joli 7Saint-Édouard-de-Lotbinière 7Saint-Apollinaire 5Vallée-Jonction 5Sainte-Croix 5
Other trades in Montmagny
Finding a septic system contractor in Montmagny
Looking for a septic system contractor in Montmagny? 1 of the 14 companies on the list work in this trade only; the others are also listed in other trades: renovation, construction and general work (9), wells and water pumps (9) and heating, ventilation and air conditioning (2).
Montmagny ranks 3rd of 90 cities in the Chaudière-Appalaches region for this trade, with 4% of the region's 323 companies.
The RBQ numbers: septic systems in Montmagny
14companies with an active licence
0new licences in 90 daysnone in the last 30 days
10have held their licence for 10 years or more71% · the oldest since 1984
13have a $40,000 licence bondand 1 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), 1.4 Roads and pipelines (10), 2.2 Non-drilled water catchment works (9), 1.3 Buildings of all kinds (7).
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.
Homes in Montmagny (2021 Census)
5,460households in a private dwelling
68%of dwellings built before 1981including 38% before 1961
57%of households own their home
52%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 Montmagny: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →