C.S. Terrec Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 669-0550In Gatineau, 57 companies are listed as active for septic system work in RBQ data dated November 5, 2026. 33 (58%) have held their licence for 10 years or more, the oldest since 1984; 2 got theirs in the last 90 days.

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 669-0550Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 360-4475Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 684-1409Renovation, construction and general workPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 561-2327Renovation, construction and general workSeptic systems
Call · 819 664-4962Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 661-6649Septic systemsWells and water pumps
Call · 819 281-2556Renovation, construction and general workElectriciansSeptic systemsWells and water pumps
Call · 819 772-4949Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 771-2039Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 643-5800Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 775-7867Septic systemsWells and water pumps
Call · 819 776-5331Concrete and foundationsSeptic systemsWells and water pumps
Call · 819 776-5331Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 776-1515Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systems
Call · 819 778-2828Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 770-3028Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 777-0654Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 669-3619Septic systems
Call · 819 743-2012Renovation, construction and general workSeptic systems
Call · 819 923-1805Septic systemsWells and water pumps
Call · 819 643-4464Renovation, construction and general workSeptic systems
Call · 819 962-4265Septic systemsWells and water pumps
Call · 819 568-7300Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 598-9794Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 669-7500Septic systemsWells and water pumps
Call · 819 663-9432Renovation, construction and general workHeating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 819 243-0875Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 595-1967Septic systemsWells and water pumps
Call · 819 500-6861Septic systemsWells and water pumps
Call · 819 319-0304Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 819 918-2002MasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 776-1515Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplacesMasonrySeptic systemsWells and water pumps
Call · 819 663-5297Val-des-Monts 22Cantley 20La Pêche 9Chelsea 9Papineauville 7Déléage 6Pontiac 4Saint-André-Avellin 4Chénéville 3Shawville 3Lac-des-Plages 3Lac-Sainte-Marie 3
Looking for a septic system contractor in Gatineau? 5 of the 57 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (39), renovation, construction and general work (35) and heating, ventilation and air conditioning (23).
Gatineau has the most companies in this trade in the Outaouais region: 57 of 193.
On this page: Renovation permits in Gatineau
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 5, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
The City of Gatineau explains which work needs a building permit, and many applications can be made online.
Official pages: Building permits (in French) ↗ · Printable checklist before you sign