9299-3021 Québec inc.
Heating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 450 439-8411In Saint-Lin–Laurentides, 13 companies are listed as active for septic system work in RBQ data dated November 4, 2026. 7 (54%) have held their licence for 10 years or more, the oldest since 1984; 1 got its in the last 90 days.

Heating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 450 439-8411Septic systemsWells and water pumps
Call · 514 592-2290Septic systemsWells and water pumps
Call · 450 439-3502Septic systems
Call · 450 941-4441Septic systemsWells and water pumps
Call · 450 439-1473Heating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 450 439-0468Septic systemsWells and water pumps
Call · 450 478-1616Terrebonne 46L'Assomption 17Mascouche 17Rawdon 16Joliette 13Saint-Roch-de-l'Achigan 13Repentigny 11Saint-Donat 11Sainte-Julienne 11Saint-Ambroise-de-Kildare 10Sainte-Marcelline-de-Kildare 10Lanoraie 9
Looking for a septic system contractor in Saint-Lin–Laurentides? 5 of the 13 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (7), heating, ventilation and air conditioning (3) and renovation, construction and general work (2).
Saint-Lin–Laurentides ranks 6th of 56 cities in the Lanaudière region for this trade, with 4% of the region's 346 companies.
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.
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-Lin–Laurentides: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →