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Septic systems in Terrebonne

In Terrebonne, the RBQ register lists 46 companies holding subcategory 2.4 (on-site wastewater systems). The oldest of these licences dates from 1985.

Excavation on a wooded lot
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Active licences in RBQ data dated November 3, 2026 · official register ↗ · list order

M.A. Excavation inc.

✓ RBQ licence 8226-5463-05 · Terrebonne · Licensed since 1999

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 450 477-9419

Pavages Multipro inc.

✓ RBQ licence 5691-1803-01 · Terrebonne · Licensed since 2014

Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps

Call · 450 430-8893

Partenaire Construction inc.

✓ RBQ licence 5770-2565-01 · Terrebonne · Licensed since 2021

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonrySeptic systemsWells and water pumps

Call · 514 409-4136

Construction Ri-Mar Inc.

✓ RBQ licence 8278-2533-56 · Terrebonne · Licensed since 2019

Renovation, construction and general workHeating, ventilation and air conditioningSeptic systemsWells and water pumps

Call · 450 417-1121

9411-6118 Québec inc.

✓ RBQ licence 5783-9938-01 · Terrebonne · Licensed since 2020

Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 598-6288

9190-5679 Québec inc.

✓ RBQ licence 5610-7790-01 · Terrebonne · Licensed since 2012

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 794-0779

Lainco inc.

✓ RBQ licence 8106-5229-45 · Terrebonne · Licensed since 1997

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 450 965-6010

Le groupe Mécaplus inc.

✓ RBQ licence 8309-6545-44 · Terrebonne · Licensed since 2004

Renovation, construction and general workPlumbersHeating, ventilation and air conditioningConcrete and foundationsSeptic systemsWells and water pumps

Call · 450 621-0822

Distribution CBI inc.

✓ RBQ licence 8341-8186-39 · Terrebonne · Licensed since 2007

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps

Call · 514 816-9425

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Terrebonne by the numbers

Terrebonne · septic systems, seniority

In Terrebonne, fifteen companies have held a licence for at least twenty years and eight for under five. Among the companies in Terrebonne, fifteen have held one for ten to nineteen years, eight for five to nine. The median licence year in Terrebonne is 2014. The oldest licences in Terrebonne belong to Excavation Marcel Clark inc. (1985), Les Industries Normrock Inc. (1987) and 2528-4340 Québec inc. (1988). Among the companies in Terrebonne, the most recent are those of Les Entreprises Aquapav inc. (April 24, 2026) and 9314-9011 Québec inc. (February 16, 2026).

Terrebonne · septic systems, licences

Among the companies in Terrebonne, 46 also do excavation and earthwork (2.5). For Terrebonne, 34 also build non-drilled water catchments (2.2). In Terrebonne, seventeen also hold a general contractor licence (1.2 or 1.3), among them Partenaire Construction inc. and Le groupe Mécaplus inc. Among the companies in Terrebonne, eight declare no other trade; the others mostly name wells (34). For Terrebonne, the bond is $40,000 for 28 of them and $20,000 for eighteen. In Terrebonne, the most frequent bond providers are Intact Insurance (thirteen) and the APCHQ (eleven).

Terrebonne · septic systems, homes in 2021

Single-detached houses are 62% of the dwellings in Terrebonne. The census does not say how many of these homes are off the municipal sewer and water networks.

Terrebonne · septic systems, comparisons

In Terrebonne, nineteen of these companies got their first licence before 2010, 27 since. In Terrebonne, that is 1 of these companies per thousand dwellings. This puts Terrebonne 5th of the 25 towns around Montréal. The administrative region (Lanaudière) has 346, 13% of them in Terrebonne.

Terrebonne · septic systems, neighbours

Terrebonne holds the 4th place of 26 (Montréal and 25 towns) for septic systems; next to it in the ranking are Mirabel (62) and Longueuil (33). The closest towns are Mascouche (17), Repentigny (11) and Boucherville (17).

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