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Septic systems in Laval

There are 132 companies holding subcategory 2.4 (on-site wastewater systems) in Laval. The oldest of these licences dates from 1984.

Active licences in RBQ data dated November 5, 2026 · official register ↗ · list order

Construction Voyer inc.

✓ RBQ licence 8268-7104-56 · Laval · Licensed since 2001

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 450 963-8300

Groupe Geyser inc.

✓ RBQ licence 5587-5751-01 · Laval · Licensed since 2008

Renovation, construction and general workNew home buildersPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 450 625-2003

Lavallée et frères (1959) Ltée

✓ RBQ licence 8102-6783-04 · Laval · Licensed since 1997

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

Call · 450 622-8100

Construction Gamarco inc.

✓ RBQ licence 2737-9403-72 · Laval · Licensed since 1990

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 450 664-2131

Vince-Iafa Construction inc.

✓ RBQ licence 2231-9594-25 · Laval · Licensed since 1984

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

Call · 450 661-4738

Construction Transit 2E G Ltée

✓ RBQ licence 5655-1534-01 · Laval · Licensed since 2012

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 450 669-0114

Other cities

Montréal 234Boisbriand 11Saint-Eustache 10Blainville 17Terrebonne 46Boucherville 17Mirabel 62Brossard 16Mascouche 17Longueuil 33Repentigny 11

Other trades in Laval

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