9084-9597 Québec inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 379-1260Septic systems in Trois-Rivières
RBQ data dated November 3, 2026: 35 companies active in Trois-Rivières for septic system work. 25 (71%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.
Get quotes for septic system work in Trois-RivièresFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →J.M. Terrassement inc.
Septic systemsWells and water pumps
Call · 819 374-8118Madysta constructions Ltée
Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 377-3336Techni-Sol Pelouse Neault inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 373-8191Noé Veillette inc.
Septic systemsWells and water pumps
Call · 819 378-1100Les consultants Mario Cossette inc.
Renovation, construction and general workPlumbersConcrete and foundationsSeptic systems
Call · 819 373-3800Les Piscines St-Louis inc.
Wood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 379-6374Madysta Télécom Ltée
Renovation, construction and general workMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 377-3336Rénovation Provost inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 448-37789359-5551 Québec inc
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 384-8141Maurécon inc.
Renovation, construction and general workMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 375-7417Excavation Galipeault inc.
Septic systems
Call · 819 383-0849MEI Assainissement inc.
Septic systems
Call · 819 374-8575Cimentier Laviolette Inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 371-2071Excavation Pronovost & Godin inc.
Septic systemsWells and water pumps
Call · 819 372-9969Mario Bouchard Paysagiste inc.
Septic systemsWells and water pumps
Call · 819 377-5656Excavation Messier inc.
Septic systemsWells and water pumps
Call · 819 377-4961Thomas Bellemare Ltée
Septic systemsWells and water pumps
Call · 819 379-2535Electron Libre- Entrepreneur général et électrique Inc.
Renovation, construction and general workElectriciansSeptic systems
Call · 819 695-2411Daniel Bellerive Excavation Inc.
Septic systemsWells and water pumps
Call · 819 377-1750Michel Bellerive et fils excavations inc.
Septic systemsWells and water pumps
Call · 819 374-06359266-3335 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 244-2086Plomberie Ric-Eau inc.
Renovation, construction and general workPlumbersHeating, ventilation and air conditioningSeptic systems
Call · 819 701-9221Les Amenagements JF Excavation inc.
Septic systems
Call · 819 448-4387Construction Thorco inc.
Renovation, construction and general workConcrete and foundationsSeptic systems
Call · 819 373-3384Toitures Eiffel inc.
RoofersSeptic systemsWells and water pumps
Call · 819 370-12239089-5657 Québec inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 415-0414A Plus Construction inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 819 375-2168Déneigement Gendron inc.
Septic systems
Call · 819 384-7377Nova-tech énergie inc.
Heating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 819 690-0860D. De Montigny Et Fils Inc.
Septic systemsWells and water pumps
Call · 819 375-1936G. B. Démolition inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 377-0633Construction Arno Inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 379-5222Les Équipements Martel inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 372-6388PCS Télécom Inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 693-4163Ad · Featured placement · examplePreview only — this is not a contractor listing
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Other cities
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Other trades in Trois-Rivières
Renovation, construction and general work317New home builders25Electricians49Plumbers39Heating, ventilation and air conditioning99Painters7Roofers15Doors and windows6Wood stoves and fireplaces56Masonry19Concrete and foundations22Wells and water pumps37Specialty contractors152All companies in Trois-Rivières602
Finding a septic system contractor in Trois-Rivières
Looking for a septic system contractor in Trois-Rivières? 4 of the 35 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (27), renovation, construction and general work (19) and concrete and foundations (11).
With 35 of the 136 companies in the Mauricie region, Trois-Rivières ranks first for this trade.
The RBQ numbers: septic systems in Trois-Rivières
35companies with an active licence
0new licences in 90 daysnone in the last 30 days
25have held their licence for 10 years or more71% · the oldest since 1984
26have a $40,000 licence bondand 9 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 (35), 2.2 Non-drilled water catchment works (27), 1.4 Roads and pipelines (22), 1.3 Buildings of all kinds (17).
On this page: Renovation permits in Trois-Rivières
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 Trois-Rivières (2021 Census)
66,820households in a private dwelling
53%of dwellings built before 1981including 22% before 1961
55%of households own their home
42%of dwellings are single-detached houses
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Renovation permits in Trois-Rivières
In Trois-Rivières, some light work on a house does not need a building permit, but a free declaration of work is required before starting. A permit is still required for other work, such as a foundation drain.
Official pages: Declaration of work (in French) ↗ · Printable checklist before you sign