Excavation Allard inc.
Septic systemsWells and water pumps
Call · 450 835-4501Septic systems in Saint-Didace
In Saint-Didace, 3 companies are listed as active for septic system work in RBQ data dated November 3, 2026. 2 (67%) have held their licence for 10 years or more, the oldest since 2001; none got its licence in the last 90 days.
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Get my free quotes →9270-7140 Québec inc.
Septic systemsWells and water pumps
Call · 450 835-2121Other cities
Terrebonne 46L'Assomption 17Mascouche 17Rawdon 16Joliette 13Saint-Lin–Laurentides 13Saint-Roch-de-l'Achigan 13Repentigny 11Saint-Donat 11Sainte-Julienne 11Saint-Ambroise-de-Kildare 10Sainte-Marcelline-de-Kildare 10
Other trades in Saint-Didace
Finding a septic system contractor in Saint-Didace
Looking for a septic system contractor in Saint-Didace? 1 of the 3 companies on the list work in this trade only; the others are also listed in other trades: wells and water pumps (2).
Saint-Didace ranks 37th of 56 cities in the Lanaudière region for this trade, with 1% of the region's 346 companies.
The choice is limited in Saint-Didace. Companies from nearby cities in the region, such as Terrebonne (46), L'Assomption (17) and Mascouche (17), may also serve your area: ask them.
The RBQ numbers: septic systems in Saint-Didace
3companies with an active licence
0new licences in 90 daysnone in the last 30 days
2have held their licence for 10 years or more67% · the oldest since 2001
0have 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 (3), 2.2 Non-drilled water catchment works (2).
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.
Before you sign with a septic system contractor in Saint-Didace: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →