Banville & Coulombe inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 723-2597Septic systems in Rimouski
RBQ data dated November 3, 2026: 11 companies active in Rimouski for septic system work. 5 (45%) have held their licence for 10 years or more, the oldest since 1996; none got its licence in the last 90 days.
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Get my free quotes →9471-4433 Québec inc.
Septic systemsWells and water pumps
Call · 418 750-5905Excavation de l'Est inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 730-2102Les Excavations Richard Michaud Inc.
Septic systemsWells and water pumps
Call · 418 735-26159181-6033 Québec inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systems
Call · 418 509-9644Les ouvrages d'art CB inc.
Septic systems
Call · 418 723-0237Isolation de la Rive-Sud inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 725-52259011-2186 Quebec Inc.
Septic systemsWells and water pumps
Call · 418 736-40699325-3524 Québec inc.
Renovation, construction and general workPlumbersHeating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 418 725-30019302-4719 Québec inc.
Septic systemsWells and water pumps
Call · 418 725-9843Construction MACB inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
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Your business could appear hereSeptic systems · Rimouski and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Rivière-du-Loup 10Matane 8Trois-Pistoles 6Témiscouata-sur-le-Lac 5Amqui 5Sainte-Anne-de-la-Pocatière 4Sainte-Luce 4Pohénégamook 3Mont-Joli 3Saint-Narcisse-de-Rimouski 3Saint-Jean-de-Dieu 3Sainte-Félicité 3
Other trades in Rimouski
Finding a septic system contractor in Rimouski
Looking for a septic system contractor in Rimouski? 1 of the 11 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (9), renovation, construction and general work (6) and heating, ventilation and air conditioning (4).
With 11 of the 124 companies in the Bas-Saint-Laurent region, Rimouski ranks first for this trade.
The RBQ numbers: septic systems in Rimouski
11companies with an active licence
0new licences in 90 daysnone in the last 30 days
5have held their licence for 10 years or more45% · the oldest since 1996
8have a $40,000 licence bondand 3 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 (11), 2.2 Non-drilled water catchment works (8), 1.3 Buildings of all kinds (6), 1.4 Roads and pipelines (5).
On this page: Renovation permits in Rimouski
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 Rimouski (2021 Census)
23,470households in a private dwelling
54%of dwellings built before 1981including 20% before 1961
62%of households own their home
49%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 Rimouski
In Rimouski, a free declaration of work is required before some work starts, if the replacement materials are identical and the work changes neither the interior layout nor the structure. Otherwise a building permit is required, for example to change materials, for foundation work, or for a heritage building or work done under a financial assistance program. You apply for a permit online or in person at the Planning, Permits and Inspection Department.
Official pages: Declaration of work (in French) ↗ · Printable checklist before you sign