Maçonnerie 3L inc.
Masonry
Call · 438 502-8460In Mercier, 4 companies are listed as active for masonry work in RBQ data dated November 3, 2026. None has held its licence for 10 years. Closest: Châteauguay (12), Montréal (262) and Laval (101).

Masonry
Call · 438 502-8460Masonry
Call · 514 806-3932Masonry
Call · 514 949-2162Masonry
Call · 514 465-9598Ad · Featured placement · examplePreview only — this is not a contractor listing
Montréal 262Châteauguay 12Laval 101Saint-Eustache 10Longueuil 35Boisbriand 11Chambly 12Blainville 13Terrebonne 33Mirabel 24Mascouche 17
Looking for a mason in Mercier? This page lists the 4 companies in Mercier that hold an active RBQ licence for masonry work, according to public RBQ data dated November 3, 2026.
Mercier ranks 24th of 86 cities in the Montérégie region for this trade, with 1% of the region's 331 companies.
The choice is limited in Mercier. Companies from nearby cities in the region, such as Montréal (262), Châteauguay (12) and Laval (101), may also serve your area: ask them.
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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: Masonry in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a mason in Mercier: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →