Martineau Coffrage Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 929-1661RBQ data dated November 3, 2026: 6 companies active in Varennes for well or water pump work. All of them have held their licence for 10 years or more, the oldest since 1999; none got its licence in the last 90 days. Nearest towns: Repentigny (10), Boucherville (19) and L'Assomption (16).

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 450 929-1661Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 929-0241Septic systemsWells and water pumps
Call · 514 863-2581Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 450 652-4242Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 929-1818Renovation, construction and general workSeptic systemsWells and water pumps
Call · 450 649-0442Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 230Repentigny 10Boucherville 19L'Assomption 16Mascouche 12Terrebonne 37Longueuil 32Brossard 17Laval 124Boisbriand 12Blainville 15
Looking for a well driller in Varennes? All 6 companies on the list are also listed in other trades: septic systems (6), renovation, construction and general work (5) and heating, ventilation and air conditioning (2).
In the Montérégie region, 467 companies work in this trade across 104 cities; Varennes has 6 of them (20th).
The choice is limited in Varennes. Companies from nearby cities in the region, such as Montréal (230), Repentigny (10) and Boucherville (19), may also serve your area: ask them.
On this page: Renovation permits in Varennes
Useful guides: Well water testing: when to test and who to call
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: Wells and water pumps in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
According to the permits and certificates by-law of the City of Varennes, altering or renovating a house does not need a building permit when all of these conditions are met: the work is not covered by the PIIA (architectural integration plan) by-law, does not change the use, and does not alter the foundations, the structure, the interior partitions or exits, or the floor area or height of the building. It must also not add, close off or resize a window or door, change the class of the exterior wall cladding, or affect a fire-protection element, such as a fire separation or a fire alarm. Otherwise, a permit is required. The PIIA by-law applies in certain sectors of the city, and permit applications can be made online.
Official pages: Planning by-laws (in French) ↗ · Online permit application (in French) ↗ · Printable checklist before you sign