Les transports Maggy Beaudet inc.
Septic systemsWells and water pumps
Call · 819 364-2078Septic systems in Thetford Mines
RBQ data dated November 3, 2026: 10 companies active in Thetford Mines for septic system work. 8 (80%) have held their licence for 10 years or more, the oldest since 1986; none got its licence in the last 90 days.
Get quotes for septic system work in Thetford MinesFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →Excavation Maggy inc.
Septic systemsWells and water pumps
Call · 819 364-2078Cité Construction TM inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 338-3995Picard Excavations Inc.
Septic systemsWells and water pumps
Call · 418 338-36979129-8174 Québec Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 418 333-28822754-2778 Québec inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 755-0500Groupe Nadeau inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 338-8552Forage Frontenac (1995) Inc.
Concrete and foundationsSeptic systemsWells and water pumps
Call · 418 338-8552Maxime Pomerleau Excavation inc.
Septic systems
Call · 418 209-0219Les Constructions de l'Amiante Inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 338-8552Ad · Featured placement · examplePreview only — this is not a contractor listing
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Other cities
Lévis 53Saint-Georges 31Montmagny 14Sainte-Marie 12Saint-Lambert-de-Lauzon 9Saint-Henri 8Beauceville 7Saint-Jean-Port-Joli 7Saint-Édouard-de-Lotbinière 7Saint-Apollinaire 5Vallée-Jonction 5Sainte-Croix 5
Other trades in Thetford Mines
Finding a septic system contractor in Thetford Mines
Looking for a septic system contractor in Thetford Mines? 1 of the 10 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (9), renovation, construction and general work (5) and heating, ventilation and air conditioning (2).
In the Chaudière-Appalaches region, 323 companies work in this trade across 90 cities; Thetford Mines has 10 of them (5th).
The RBQ numbers: septic systems in Thetford Mines
10companies with an active licence
0new licences in 90 daysnone in the last 30 days
8have held their licence for 10 years or more80% · the oldest since 1986
9have 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 (10), 2.2 Non-drilled water catchment works (9), 1.4 Roads and pipelines (8), 1.6 Underwater civil engineering works (6).
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 Thetford Mines (2021 Census)
12,215households in a private dwelling
77%of dwellings built before 1981including 40% before 1961
66%of households own their home
63%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 Thetford Mines: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →