Entreprises Claveau Ltée
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 775-3486RBQ data dated November 3, 2026: 3 companies active in Mont-Joli for septic system work. All of them 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 workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 775-3486Septic systems
Call · 418 775-1973Septic systemsWells and water pumps
Call · 418 775-3941Ad · Featured placement · examplePreview only — this is not a contractor listing
Rimouski 11Rivière-du-Loup 10Matane 8Trois-Pistoles 6Témiscouata-sur-le-Lac 5Amqui 5Sainte-Anne-de-la-Pocatière 4Sainte-Luce 4Pohénégamook 3Saint-Narcisse-de-Rimouski 3Saint-Jean-de-Dieu 3Sainte-Félicité 3
Looking for a septic system contractor in Mont-Joli? 1 of the 3 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (2), renovation, construction and general work (1) and heating, ventilation and air conditioning (1).
In the Bas-Saint-Laurent region, 124 companies work in this trade across 53 cities; Mont-Joli has 3 of them (10th).
The choice is limited in Mont-Joli. Companies from nearby cities in the region, such as Rimouski (11), Rivière-du-Loup (10) and Matane (8), may also serve your area: ask them.
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.
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 Mont-Joli: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →