Les Excavations Ste-Croix inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 926-3309In Sainte-Croix, 5 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 4 (80%) 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 · 418 926-3309Septic systemsWells and water pumps
Call · 418 926-3575Septic systemsWells and water pumps
Call · 418 926-3815Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 520-5052Septic systems
Call · 418 926-3021Ad · Featured placement · examplePreview only — this is not a contractor listing
Lévis 53Saint-Georges 31Montmagny 14Sainte-Marie 12Thetford Mines 10Saint-Lambert-de-Lauzon 9Saint-Henri 8Beauceville 7Saint-Jean-Port-Joli 7Saint-Édouard-de-Lotbinière 7Saint-Apollinaire 5Vallée-Jonction 5
Looking for a septic system contractor in Sainte-Croix? 1 of the 5 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (4), renovation, construction and general work (2) and concrete and foundations (2).
Sainte-Croix ranks 13th of 90 cities in the Chaudière-Appalaches region for this trade, with 2% of the region's 323 companies.
The choice is limited in Sainte-Croix. Companies from nearby cities in the region, such as Lévis (53), Saint-Georges (31) and Montmagny (14), 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 Sainte-Croix: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →