M. Ayotte & Fils Inc.
Concrete and foundationsSeptic systemsWells and water pumps
Call · 819 424-7350Septic systems in Saint-Donat
In Saint-Donat, 11 companies are listed as active for septic system work in RBQ data dated November 4, 2026. 6 (55%) have held their licence for 10 years or more, the oldest since 2002; none got its licence in the last 90 days.
Get quotes for septic system work in Saint-DonatFree, no obligation: describe your work once, licensed companies answer you.
Get my free quotes →Marion & Gauthier inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 819 324-9668Excavation Beauséjour inc
Septic systemsWells and water pumps
Call · 819 424-3829Équipe Indigo inc.
Renovation, construction and general workSeptic systemsWells and water pumps
Call · 819 216-07609244-6996 Québec inc
Septic systemsWells and water pumps
Call · 819 424-49179214-1852 Québec inc.
Septic systemsWells and water pumps
Call · 819 424-1750Other cities
Terrebonne 46L'Assomption 17Mascouche 17Rawdon 16Joliette 13Saint-Lin–Laurentides 13Saint-Roch-de-l'Achigan 13Repentigny 11Sainte-Julienne 11Saint-Ambroise-de-Kildare 10Sainte-Marcelline-de-Kildare 10Lanoraie 9
Other trades in Saint-Donat
Finding a septic system contractor in Saint-Donat
Looking for a septic system contractor in Saint-Donat? All 11 companies on the list are also listed in other trades: wells and water pumps (10), renovation, construction and general work (4) and concrete and foundations (2).
Saint-Donat ranks 9th of 56 cities in the Lanaudière region for this trade, with 3% of the region's 346 companies.
The RBQ numbers: septic systems in Saint-Donat
11companies with an active licence
0new licences in 90 daysnone in the last 30 days
6have held their licence for 10 years or more55% · the oldest since 2002
4have a $40,000 licence bondand 7 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 (11), 2.2 Non-drilled water catchment works (10), 1.3 Buildings of all kinds (4), 2.6 Piles and special foundations (2).
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.
Homes in Saint-Donat (2021 Census)
2,435households in a private dwelling
49%of dwellings built before 1981including 18% before 1961
75%of households own their home
83%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 Saint-Donat: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →