Coffrages A.Giroux inc.
Concrete and foundationsSeptic systems
Call · 819 583-3455Septic systems in Lac-Mégantic
RBQ data dated November 3, 2026: 3 companies active in Lac-Mégantic for septic system work. 1 (33%) has held their licence for 10 years or more, the oldest since 1997; none got its licence in the last 90 days.
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Concrete and foundationsSeptic systemsWells and water pumps
Call · 819 583-9544Paysages François Lessard inc.
Septic systemsWells and water pumps
Call · 819 583-2326Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Lac-Mégantic and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Sherbrooke 54Granby 20Magog 9Shefford 7Lac-Brome 7Cowansville 6Sainte-Cécile-de-Milton 6Sutton 5Cookshire-Eaton 5Valcourt 4Saint-Claude 4Ascot Corner 4
Other trades in Lac-Mégantic
Finding a septic system contractor in Lac-Mégantic
Looking for a septic system contractor in Lac-Mégantic? All 3 companies on the list are also listed in other trades: concrete and foundations (2) and wells and water pumps (2).
In the Estrie region, 244 companies work in this trade across 72 cities; Lac-Mégantic has 3 of them (18th).
The choice is limited in Lac-Mégantic. Companies from nearby cities in the region, such as Sherbrooke (54), Granby (20) and Magog (9), may also serve your area: ask them.
The RBQ numbers: septic systems in Lac-Mégantic
3companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have held their licence for 10 years or more33% · the oldest since 1997
2have 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 (3), 3.1 Concrete structures (2), 2.2 Non-drilled water catchment works (2).
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 Lac-Mégantic (2021 Census)
2,935households in a private dwelling
59%of dwellings built before 1981including 38% before 1961
54%of households own their home
49%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 Lac-Mégantic: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →