9195-6003 Québec inc.
Renovation, construction and general workMasonry
Call · 514 767-1200In Châteauguay, the RBQ register lists 12 companies holding subcategory 4.1 (masonry structures). Five of them have “mason” or “brick” in their name.

Renovation, construction and general workMasonry
Call · 514 767-1200Renovation, construction and general workMasonry
Call · 450 691-3666Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonrySeptic systemsWells and water pumps
Call · 450 692-4301Masonry
Call · 450 698-0740Masonry
Call · 514 444-1910Masonry
Call · 514 622-0697In Châteauguay, just one company has held a licence for at least twenty years and two for under five. Among the companies in Châteauguay, five have held one for ten to nineteen years, four for five to nine. The median licence year in Châteauguay is 2019. The oldest licences in Châteauguay belong to Maçonnerie 3 Tru-L inc. (2010), Les Entreprises Cynsam inc. (2012) and 9257-0134 Québec inc. (2012). Among the companies in Châteauguay, the most recent are those of Maçonnerie J. Lapointe inc. (March 30, 2026) and Maçonnerie Lavoie inc. (June 15, 2023).
Among the companies in Châteauguay, twelve also hold ceramics (4.2). For Châteauguay, four also hold a general contractor licence (1.2 or 1.3), among them 9257-0134 Québec inc. and Ibmja Construction/Rénovation inc. In Châteauguay, eight declare no other trade; the others mostly name renovation (four). Among the companies in Châteauguay, the bond is $40,000 for four of them and $20,000 for eight. For Châteauguay, the most frequent bond providers are the APCHQ (nine) and GSC (two).
In Châteauguay, about one dwelling in 6 predates 1961. The years 1961 to 1980 supplied 37% of the dwellings. Single-detached houses are 63% of the dwellings in Châteauguay.
In Châteauguay, two of these companies got their first licence before 2010, ten since. In Châteauguay, that is 0.6 of these companies per thousand dwellings. This puts Châteauguay 11th of the 25 towns around Montréal. The administrative region (Montérégie) has 331, 4% of them in Châteauguay.
Châteauguay holds the 9th place of 26 (Montréal and 25 towns) for masonry; next to it in the ranking are Blainville (13) and Chambly (12). The closest towns are Laval (101), Montréal (262) and Saint-Eustache (10).