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Septic systems in Sept-Îles

In Sept-Îles, 19 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 12 (63%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.

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

Les constructions B.L.H. (1997) inc.

✓ RBQ licence 8102-2063-26 · Sept-Îles · Licensed since 1997

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

Call · 418 968-8844

1861-2291 Québec inc.

✓ RBQ licence 8203-0818-11 · Sept-Îles · Licensed since 2018

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

Call · 418 968-8849

Dexter Québec inc.

✓ RBQ licence 5609-8130-01 · Sept-Îles · Licensed since 2011

Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 418 960-0090

9344-5666 Quebec inc.

✓ RBQ licence 5786-8192-01 · Sept-Îles · Licensed since 2021

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

Call · 418 960-1840

9275-9596 Québec inc.

✓ RBQ licence 5670-1923-01 · Sept-Îles · Licensed since 2013

Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 418 968-2642

Bouchard & Blanchette Marine Limitee

✓ RBQ licence 1651-4846-74 · Sept-Îles · Licensed since 1984

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

Call · 418 968-2505

Construction Polaris CMM inc.

✓ RBQ licence 5759-6900-01 · Sept-Îles · Licensed since 2018

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

Call · 418 861-9877

3858031 Canada inc.

✓ RBQ licence 8274-8484-04 · Sept-Îles · Licensed since 2002

Heating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 418 961-2402

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Other cities

Baie-Comeau 15Port-Cartier 3Forestville 3Havre-Saint-Pierre 3Pessamit 3

Other trades in Sept-Îles

Finding a septic system contractor in Sept-Îles

Looking for a septic system contractor in Sept-Îles? 5 of the 19 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (14), concrete and foundations (9) and heating, ventilation and air conditioning (8).

Sept-Îles has the most companies in this trade in the Côte-Nord region: 19 of 63.

The RBQ numbers: septic systems in Sept-Îles

19companies with an active licence
0new licences in 90 daysnone in the last 30 days
12have held their licence for 10 years or more63% · the oldest since 1984
13have a $40,000 licence bondand 6 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 (19), 2.2 Non-drilled water catchment works (14), 1.4 Roads and pipelines (10), 1.6 Underwater civil engineering works (9).

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 Sept-Îles (2021 Census)

11,275households in a private dwelling
75%of dwellings built before 1981including 18% before 1961
66%of households own their home
48%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 Sept-Îles: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →

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