7289243 Canada inc.
Septic systemsWells and water pumps
Call · 819 777-0682Septic systems in Chelsea
RBQ data dated November 3, 2026: 9 companies active in Chelsea for septic system work. 6 (67%) 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 ChelseaFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →17626053 Canada inc.
Renovation, construction and general workSeptic systems
Call · 819 962-42657025874 Canada inc.
Renovation, construction and general workSeptic systems
Call · 819 775-80988086249 Canada inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systems
Call · 819 210-5112Location de Grues Gaétan Roy Ltée
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 778-6342J.A.C.K.S Construction inc
Septic systems
Call · 819 827-21269749713 Canada inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 485-02947293216 Canada inc.
Renovation, construction and general workSeptic systems
Call · 613 227-2911Excavation & Terrassement Bernie Fleming Ltée
Septic systemsWells and water pumps
Call · 819 827-2458Ad · Featured placement · examplePreview only — this is not a contractor listing
Your business could appear hereSeptic systems · Chelsea and the cities you serveHomeowners can open your profile and call you directly.
Other cities
Gatineau 57Val-des-Monts 22Cantley 20La Pêche 9Papineauville 7Déléage 6Pontiac 4Saint-André-Avellin 4Chénéville 3Shawville 3Lac-des-Plages 3Lac-Sainte-Marie 3
Other trades in Chelsea
Finding a septic system contractor in Chelsea
Looking for a septic system contractor in Chelsea? 1 of the 9 companies on the list work in this trade only; the others are also listed in other trades: renovation, construction and general work (6), wells and water pumps (4) and heating, ventilation and air conditioning (3).
In the Outaouais region, 193 companies work in this trade across 45 cities; Chelsea has 9 of them (5th).
The choice is limited in Chelsea. Companies from nearby cities in the region, such as Gatineau (57), Val-des-Monts (22) and Cantley (20), may also serve your area: ask them.
The RBQ numbers: septic systems in Chelsea
9companies with an active licence
0new licences in 90 daysnone in the last 30 days
6have held their licence for 10 years or more67% · the oldest since 1991
6have 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 (9), 1.3 Buildings of all kinds (5), 2.2 Non-drilled water catchment works (4), 1.2 Small buildings (4).
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 Chelsea (2021 Census)
3,040households in a private dwelling
36%of dwellings built before 1981including 15% before 1961
92%of households own their home
92%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 Chelsea: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →