Excavation & Location F. Adam inc.
Septic systems
Call · 438 889-5877In Saint-Antoine-sur-Richelieu, 3 companies are listed as active for septic system work in RBQ data dated November 4, 2026. 1 (33%) has held their licence for 10 years or more, the oldest since 2013; none got its licence in the last 90 days.

Septic systems
Call · 438 889-5877Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 438 336-7200Septic systemsWells and water pumps
Call · 514 977-9413Ad · Featured placement · examplePreview only — this is not a contractor listing
Longueuil 33Saint-Hyacinthe 26Saint-Jean-sur-Richelieu 25Salaberry-de-Valleyfield 20Carignan 19Boucherville 17Brossard 16Belœil 12Sorel-Tracy 11Saint-Lazare 11Sainte-Julie 10Châteauguay 9
Looking for a septic system contractor in Saint-Antoine-sur-Richelieu? 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).
Saint-Antoine-sur-Richelieu ranks 67th of 120 cities in the Montérégie region for this trade, with 1% of the region's 552 companies.
The choice is limited in Saint-Antoine-sur-Richelieu. Companies from nearby cities in the region, such as Longueuil (33), Saint-Hyacinthe (26) and Saint-Jean-sur-Richelieu (25), 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 4, 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 Saint-Antoine-sur-Richelieu: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →