Les Excavations Guy Bélanger inc.
Septic systemsWells and water pumps
Call · 418 867-1263Septic systems in Saint-Modeste
RBQ data dated November 3, 2026: 3 companies active in Saint-Modeste for septic system work. All of them have held their licence for 10 years or more, the oldest since 1999; none got its licence in the last 90 days.
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Get my free quotes →Albert Castonguay & Fils Inc.
Septic systemsWells and water pumps
Call · 418 862-84599139-1623 Québec inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 863-5298Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Saint-Modeste and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Rimouski 11Rivière-du-Loup 10Matane 8Trois-Pistoles 6Témiscouata-sur-le-Lac 5Amqui 5Sainte-Anne-de-la-Pocatière 4Sainte-Luce 4Pohénégamook 3Mont-Joli 3Saint-Narcisse-de-Rimouski 3Saint-Jean-de-Dieu 3
Other trades in Saint-Modeste
Finding a septic system contractor in Saint-Modeste
Looking for a septic system contractor in Saint-Modeste? All 3 companies on the list are also listed in other trades: wells and water pumps (3), renovation, construction and general work (1) and concrete and foundations (1).
In the Bas-Saint-Laurent region, 124 companies work in this trade across 53 cities; Saint-Modeste has 3 of them (17th).
The choice is limited in Saint-Modeste. 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.
The RBQ numbers: septic systems in Saint-Modeste
3companies with an active licence
0new licences in 90 daysnone in the last 30 days
3have held their licence for 10 years or more100% · the oldest since 1999
2have 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 (3), 2.4 On-site wastewater (septic) systems (3), 1.4 Roads and pipelines (1), 1.3 Buildings of all kinds (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 Saint-Modeste (2021 Census)
445households in a private dwelling
52%of dwellings built before 1981including 21% before 1961
90%of households own their home
92%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-Modeste: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →