9310-3836 Québec inc.
Septic systemsWells and water pumps
Call · 418 662-1005Septic systems in Saint-Nazaire
In Saint-Nazaire, 5 companies are listed as active for septic system work in RBQ data dated November 4, 2026. All of them have held their licence for 10 years or more, the oldest since 1991; none got its licence in the last 90 days.
Get quotes for septic system work in Saint-NazaireFree, no obligation: describe your work once; your request is saved privately and we will ask you to confirm it before anything is sent to licensed companies.
Get my free quotes →2845-8966 Québec inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 418 662-6320Gercom Construction inc.
Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 662-49589208-3369 Québec inc.
Renovation, construction and general workSeptic systems
Call · 418 662-99179241-5009 Québec inc
Renovation, construction and general workSeptic systems
Call · 418 668-9177Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Saint-Nazaire and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Saguenay 72Alma 17Dolbeau-Mistassini 12Saint-Honoré 8Saint-Félicien 6Normandin 4Roberval 4Albanel 4Saint-David-de-Falardeau 4L'Anse-Saint-Jean 3Saint-Ambroise 3Saint-Fulgence 3
Other trades in Saint-Nazaire
Finding a septic system contractor in Saint-Nazaire
Looking for a septic system contractor in Saint-Nazaire? All 5 companies on the list are also listed in other trades: renovation, construction and general work (3), wells and water pumps (3) and heating, ventilation and air conditioning (1).
Saint-Nazaire ranks 6th of 37 cities in the Saguenay–Lac-Saint-Jean region for this trade, with 3% of the region's 184 companies.
The choice is limited in Saint-Nazaire. Companies from nearby cities in the region, such as Saguenay (72), Alma (17) and Dolbeau-Mistassini (12), may also serve your area: ask them.
The RBQ numbers: septic systems in Saint-Nazaire
5companies with an active licence
0new licences in 90 daysnone in the last 30 days
5have held their licence for 10 years or more100% · the oldest since 1991
4have a $40,000 licence bondand 1 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 (5), 1.4 Roads and pipelines (4), 2.2 Non-drilled water catchment works (3), 1.2 Small buildings (3).
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Homes in Saint-Nazaire (2021 Census)
835households in a private dwelling
59%of dwellings built before 1981including 22% before 1961
79%of households own their home
77%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 Saint-Nazaire: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →