Gosselin Tremblay Excavation Inc.
Renovation, construction and general workMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 828-0155Septic systems in Château-Richer
RBQ data dated November 3, 2026: 6 companies active in Château-Richer for septic system work. 5 (83%) have held their licence for 10 years or more, the oldest since 1999; none got its licence in the last 90 days.
Get quotes for septic system work in Château-RicherFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →Les Fondations du Québec Inc.
Renovation, construction and general workHeating, ventilation and air conditioningConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 824-3383MK2 inc.
MasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 824-3397Polissage de la Côte Inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 824-3360Excavation et Terrassement de la Côte inc.
Renovation, construction and general workSeptic systems
Call · 418 455-9660Entreprise D. Ferland inc.
Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 951-7474Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Château-Richer and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Québec 146L'Ange-Gardien 27Saint-Raymond 15Stoneham-et-Tewkesbury 12Baie-Saint-Paul 10Saint-Augustin-de-Desmaures 10La Malbaie 10Sainte-Catherine-de-la-Jacques-Cartier 10Shannon 9L'Ancienne-Lorette 8Cap-Santé 7Sainte-Brigitte-de-Laval 5
Other trades in Château-Richer
Finding a septic system contractor in Château-Richer
Looking for a septic system contractor in Château-Richer? All 6 companies on the list are also listed in other trades: renovation, construction and general work (5), concrete and foundations (5) and wells and water pumps (5).
In the Capitale-Nationale region, 358 companies work in this trade across 47 cities; Château-Richer has 6 of them (12th).
The choice is limited in Château-Richer. Companies from nearby cities in the region, such as Québec (146), L'Ange-Gardien (27) and Saint-Raymond (15), may also serve your area: ask them.
The RBQ numbers: septic systems in Château-Richer
6companies with an active licence
0new licences in 90 daysnone in the last 30 days
5have held their licence for 10 years or more83% · the oldest since 1999
6have a $40,000 licence bondmay 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 (6), 1.3 Buildings of all kinds (5), 2.2 Non-drilled water catchment works (5), 3.1 Concrete structures (5).
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 Château-Richer (2021 Census)
1,920households in a private dwelling
56%of dwellings built before 1981including 24% before 1961
88%of households own their home
68%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 Château-Richer: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →