L.J.Excavation inc.
Septic systemsWells and water pumps
Call · 514 598-9337In Rosemont–La Petite-Patrie, the RBQ register lists 3 companies whose RBQ licence covers wells or pumping (subcategories 2.1 to 2.3). The oldest of these licences dates from 2005.

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Ahuntsic-Cartierville 5Anjou 7Côte-des-Neiges 6Côte-Saint-Luc, Hampstead and Montréal-West 3Lachine 6LaSalle 16Le Plateau-Mont-Royal 7Le Sud-Ouest 8Mercier–Hochelaga-Maisonneuve 6Montréal-Nord 4Mount Royal (TMR) 1Rivière-des-Prairies–Pointe-aux-Trembles 51Rosemont–La Petite-Patrie 3Saint-Laurent 21Saint-Léonard 22Verdun 2Ville-Marie (Downtown) 21Villeray–Saint-Michel–Parc-Extension 8West Island 33Westmount 1All of Montréal
Septic systemsWells and water pumps
Call · 514 598-9337Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 237-6766Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
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In Rosemont–La Petite-Patrie, just one company has held a licence for at least twenty years and just one for under five. The median licence year in Rosemont–La Petite-Patrie is 2019. The oldest licences in Rosemont–La Petite-Patrie belong to Réno-Gen inc. (2005), L.J.Excavation inc. (2019) and Construction Genfor Canada inc. (2025). In Rosemont–La Petite-Patrie, the most recent are those of L.J.Excavation inc. (July 3, 2019) and Construction Genfor Canada inc. (July 23, 2025).
Among the companies in Rosemont–La Petite-Patrie, three build non-drilled catchments (2.2). For Rosemont–La Petite-Patrie, three are also licensed for septic systems (2.4). In Rosemont–La Petite-Patrie, two also hold a general contractor licence (1.2 or 1.3), among them Réno-Gen inc. and Construction Genfor Canada inc. Among the companies in Rosemont–La Petite-Patrie, all declare another trade; they mostly name septic systems (three). For Rosemont–La Petite-Patrie, the bond is $40,000 for two of them and $20,000 for just one. In Rosemont–La Petite-Patrie, the most frequent bond providers are Intact Insurance (just one) and Trisura (just one).
In Rosemont–La Petite-Patrie, just one of these companies got their first licence before 2010, two since. With 33% of licences twenty years and older, Rosemont–La Petite-Patrie ranks 13th of the island’s 22 areas.
Rosemont–La Petite-Patrie includes Rosemont, La Petite-Patrie and Old Rosemont. Rosemont–La Petite-Patrie holds the 16th place of the island’s 22 areas for wells and water pumps; next to it in the ranking are Montréal-Nord (4) and Côte-Saint-Luc–Hampstead (3). Rosemont–La Petite-Patrie holds 1% of the island’s 231 companies on this list.
Permits and rules in Rosemont–La Petite-Patrie (Montréal): on the place page →