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Concrete and foundationsSeptic systems
Call · 450 589-4573Septic systems in Saint-Sulpice
RBQ data dated November 3, 2026: 2 companies active in Saint-Sulpice for septic system work. 1 (50%) has held their licence for 10 years or more, the oldest since 2013; none got its licence in the last 90 days. Nearest towns: L'Assomption (17), Repentigny (11) and Mascouche (17).
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Concrete and foundationsSeptic systems
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Other cities
Montréal 234L'Assomption 17Repentigny 11Mascouche 17Boucherville 17Terrebonne 46Sainte-Julie 10Belœil 12Longueuil 33Brossard 16Laval 132
Other trades in Saint-Sulpice
Finding a septic system contractor in Saint-Sulpice
In Saint-Sulpice, 2 companies are allowed by their RBQ licence to do septic system work. Before you ask a septic system contractor for a quote, check that the licence covers your job.
In the Lanaudière region, 346 companies work in this trade across 56 cities; Saint-Sulpice has 2 of them (39th).
The choice is limited in Saint-Sulpice. Companies from nearby cities in the region, such as Montréal (234), L'Assomption (17) and Repentigny (11), may also serve your area: ask them.
The RBQ numbers: septic systems in Saint-Sulpice
2companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have held their licence for 10 years or more50% · the oldest since 2013
2have a $40,000 licence bondmay compensate a client under RBQ rules
- All of them have a published phone number: you can call them directly.
- Most common subcategories: 1.4 Roads and pipelines (2), 1.5 Civil engineering structures (2), 2.4 On-site wastewater (septic) systems (2), 3.1 Concrete structures (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 Saint-Sulpice (2021 Census)
1,465households in a private dwelling
33%of dwellings built before 1981including 13% before 1961
78%of households own their home
57%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 Saint-Sulpice: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →