Mini-Excavation Sylvain Roy inc.
Septic systemsWells and water pumps
Call · 450 753-9103Septic systems in Saint-Ambroise-de-Kildare
RBQ data dated November 4, 2026: 10 companies active in Saint-Ambroise-de-Kildare for septic system work. 6 (60%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.
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Septic systemsWells and water pumps
Call · 450 898-25229177-1998 Québec Inc.
Septic systems
Call · 450 803-0038Coffrages André Beauséjour Ltée
Septic systemsWells and water pumps
Call · 450 753-3388M. Harnois Paysagistes Inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 759-8855Excavation R. Roy & Fils Inc.
Septic systems
Call · 450 365-24129062-8926 Québec inc.
Concrete and foundationsSeptic systemsWells and water pumps
Call · 514 817-7447Gestion Construction DDL inc.
Septic systems
Call · 450 271-6984Construction Karborea inc.
Renovation, construction and general workNew home buildersSeptic systems
Call · 450 898-4738Groupe Vert inc.
Renovation, construction and general workSeptic systems
Call · 450 540-4738Ad · Featured placement · examplePreview only — this is not a contractor listing
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Other cities
Terrebonne 46L'Assomption 17Mascouche 17Rawdon 16Joliette 13Saint-Lin–Laurentides 13Saint-Roch-de-l'Achigan 13Repentigny 11Saint-Donat 11Sainte-Julienne 11Sainte-Marcelline-de-Kildare 10Lanoraie 9
Other trades in Saint-Ambroise-de-Kildare
Finding a septic system contractor in Saint-Ambroise-de-Kildare
Looking for a septic system contractor in Saint-Ambroise-de-Kildare? 3 of the 10 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (5), renovation, construction and general work (3) and new home builders (1).
In the Lanaudière region, 346 companies work in this trade across 56 cities; Saint-Ambroise-de-Kildare has 10 of them (11th).
The RBQ numbers: septic systems in Saint-Ambroise-de-Kildare
10companies with an active licence
0new licences in 90 daysnone in the last 30 days
6have held their licence for 10 years or more60% · the oldest since 1984
5have a $40,000 licence bondand 5 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: 2.4 On-site wastewater (septic) systems (10), 2.2 Non-drilled water catchment works (5), 1.2 Small buildings (3), 1.5 Civil engineering 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 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Homes in Saint-Ambroise-de-Kildare (2021 Census)
1,690households in a private dwelling
46%of dwellings built before 1981including 18% before 1961
76%of households own their home
81%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-Ambroise-de-Kildare: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →