Terrassement Technique Sylvain Labrecque Inc.
Septic systemsWells and water pumps
Call · 450 346-0484Septic systems in Mont-Saint-Grégoire
RBQ data dated November 3, 2026: one company active in Mont-Saint-Grégoire for septic system work.
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Other cities
Longueuil 33Saint-Hyacinthe 26Saint-Jean-sur-Richelieu 25Salaberry-de-Valleyfield 20Carignan 19Boucherville 17Brossard 16Sorel-Tracy 12Belœil 12Saint-Lazare 11Sainte-Julie 10Châteauguay 9
Other trades in Mont-Saint-Grégoire
Finding a septic system contractor in Mont-Saint-Grégoire
In Mont-Saint-Grégoire, one company holds an active RBQ licence for septic system work, according to RBQ data dated November 3, 2026.
In the Montérégie region, 553 companies work in this trade across 120 cities; Mont-Saint-Grégoire has 1 of them (94th).
The choice is limited in Mont-Saint-Grégoire. 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.
The RBQ numbers: septic systems in Mont-Saint-Grégoire
1companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have held their licence for 10 years or more100% · the oldest since 2002
0have 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: 2.2 Non-drilled water catchment works (1), 2.4 On-site wastewater (septic) systems (1).
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 Mont-Saint-Grégoire (2021 Census)
1,185households in a private dwelling
57%of dwellings built before 1981including 24% before 1961
88%of households own their home
89%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 Mont-Saint-Grégoire: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →