9123-4401 Québec Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonry
Call · 514 369-9278In Notre-Dame-de-Grâce, the RBQ register lists 6 companies holding subcategory 4.1 (masonry structures). Two of them have “mason” or “brick” in their name.

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Ahuntsic-Cartierville 14Anjou 11Côte-des-Neiges 10Côte-Saint-Luc, Hampstead and Montréal-West 2Lachine 6LaSalle 10Le Plateau-Mont-Royal 8Le Sud-Ouest 9Mercier–Hochelaga-Maisonneuve 20Montréal-Nord 9Mount Royal (TMR) 3NDG (Notre-Dame-de-Grâce) 6Outremont 4Rivière-des-Prairies–Pointe-aux-Trembles 36Rosemont–La Petite-Patrie 13Saint-Laurent 16Saint-Léonard 22Verdun 7Ville-Marie (Downtown) 15Villeray–Saint-Michel–Parc-Extension 16West Island 24Westmount 1All of Montréal
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonry
Call · 514 369-9278Masonry
Call · 514 668-2012Masonry
Call · 514 489-2025RoofersWood stoves and fireplacesMasonry
Call · 514 482-0411Masonry
Call · 514 903-2488Wood stoves and fireplacesMasonry
Call · 514 482-0411Ad · Featured placement · examplePreview only — this is not a contractor listing
In Notre-Dame-de-Grâce, just one company has held a licence for at least twenty years and just one for under five. Among the companies in Notre-Dame-de-Grâce, just one has held one for ten to nineteen years, three for five to nine. The median licence year in Notre-Dame-de-Grâce is 2017. The oldest licences in Notre-Dame-de-Grâce belong to Construction Romatech Inc. (2009), Maçonnerie Livingstone inc. (2017) and 9255-0870 Québec inc. (2017). Among the companies in Notre-Dame-de-Grâce, the most recent are those of 9461-0854 Québec inc. (August 25, 2025) and 9360-1672 Québec inc. (November 22, 2018).
Among the companies in Notre-Dame-de-Grâce, six also hold ceramics (4.2). For Notre-Dame-de-Grâce, just one also holds a general contractor licence (1.2 or 1.3), among them 9123-4401 Québec Inc. In Notre-Dame-de-Grâce, three declare no other trade; the others mostly name stoves and fireplaces (three). Among the companies in Notre-Dame-de-Grâce, the bond is $40,000 for just one of them and $20,000 for five. For Notre-Dame-de-Grâce, the most frequent bond providers are GSC (two) and Intact Insurance (two).
In Notre-Dame-de-Grâce, two of these companies got their first licence before 2010, four since. With 17% of licences twenty years and older, Notre-Dame-de-Grâce ranks 14th of the island’s 22 areas.
Notre-Dame-de-Grâce holds the 18th place of the island’s 22 areas for masonry; next to it in the ranking are Lachine (6) and Outremont (4). Notre-Dame-de-Grâce holds 2% of the island’s 262 companies on this list.
Of 731 permits issued in Notre-Dame-de-Grâce in twelve months, 37 name masonry or brick. That is 5% of permits, against 6% for the whole city. Notre-Dame-de-Grâce ranks 11th of the 19 areas the City publishes data for.
Source: Ville de Montréal, “Permis de construction, transformation et démolition”, open data, CC BY 4.0 · permits issued October 27, 2025 to October 26, 2026 · dataset updated October 29, 2026 · trades counted from the work descriptions · borough split by electoral district (Côte-des-Neiges, Darlington, Snowdon / Notre-Dame-de-Grâce, Loyola).
Permits and rules in NDG (Notre-Dame-de-Grâce, Montréal): on the place page →