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Licensed contractors in Westmount (Montréal)

Westmount has 45 licensed companies; years licensed in Westmount: 20 or more 9, 10 to 19 11, under 10 25.

Row of houses in winter
Renovation, construction and general work36New home builders3Electricians1Plumbers1Heating, ventilation and air conditioning19Wood stoves and fireplaces17Masonry1Concrete and foundations2Septic systems1Wells and water pumps1Specialty contractors4

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Ahuntsic-Cartierville 366Anjou 172Côte-des-Neiges 152Côte-Saint-Luc, Hampstead and Montréal-West 112Lachine 144LaSalle 291Le Plateau-Mont-Royal 168Le Sud-Ouest 232Mercier–Hochelaga-Maisonneuve 318Montréal-Nord 263Mount Royal (TMR) 114NDG (Notre-Dame-de-Grâce) 155Outremont 75Rivière-des-Prairies–Pointe-aux-Trembles 621Rosemont–La Petite-Patrie 317Saint-Laurent 549Saint-Léonard 387Verdun 144Ville-Marie (Downtown) 366Villeray–Saint-Michel–Parc-Extension 315West Island 890Westmount 45All of Montréal

All companies

Active licences in RBQ data dated November 3, 2026 · official register ↗ · list order

4348290 Canada Inc.

✓ RBQ licence 8361-4172-01 · Westmount · Licensed since 2008

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 947-3562

Le Groupe Decarel inc.

✓ RBQ licence 8274-1745-05 · Westmount · Licensed since 2001

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 935-6462

9133-6651 Québec inc.

✓ RBQ licence 8299-2959-25 · Westmount · Licensed since 2016

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 994-5562

Terra Monde inc.

✓ RBQ licence 2279-0299-01 · Westmount · Licensed since 2010

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 935-8000

Construction Newsam inc.

✓ RBQ licence 8279-2896-42 · Westmount · Licensed since 2002

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 484-5020

9161-0501 Québec inc.

✓ RBQ licence 8340-4046-23 · Westmount · Licensed since 2006

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 369-2006

Decarel inc.

✓ RBQ licence 1988-7892-91 · Westmount · Licensed since 1984

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces

Call · 514 935-6462

Gestion Christau Ltée

✓ RBQ licence 8358-6990-26 · Westmount · Licensed since 2017

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations

Call · 514 358-0500

Westmount by the numbers

Westmount: years licensed, contractors

Westmount, 45 licensed companies — under 5 years (17), 5 to 9 years (8), 10 to 19 years (11), 20 years or more (9). Median in Westmount: 2019. Longest licensed in Westmount: Design Et Construction Cegeco Ltee (1984), Decarel inc. (1984) and Developpement Ramco Inc. (1986). Newest: 9512-0655 Québec inc. (October 6, 2026) and 9563-6015 Québec inc. (October 1, 2026).

Westmount: licences, contractors

Westmount, trades: renovation (36), heating (19), stoves (17), specialty (4), new homes (3), foundations (2), electrical (1), plumbing (1), masonry (1), septic (1), wells (1). Subcategories in Westmount: any building (34), small buildings (28), wood heating (17), home ventilation (17), framing (4), new houses (3). Bonds in Westmount: 40 at $40,000, 5 at $20,000. 13 have another name.

Westmount: homes, 2021 Census

3,960 renter and 4,630 owner households in Westmount; single-detached houses 13%. Periods in Westmount: before 1961 65%, 1961-1980 23%, 1981-2000 9%, after 2000 3%. 191 dwellings per company in Westmount.

Comparisons, Westmount

First licences in Westmount, by decade: 1980s (4), 1990s (1), 2000s (7), 2010s (12), 2020s (21). 20 years or more: 20% of licences in Westmount, 3rd of 22 areas (island: 15%).

Neighbours of Westmount

Westmount covers Westmount. Westmount rank: 22nd of 22 areas, between Outremont (75). Westmount share: 1% of 6,196 contractors.

Westmount: permits and rules

Westmount is a separate city: permits are handled by its Urban Planning Department, and most applications can be made online through the Citizen Portal. Any project affecting the exterior of a property is subject to SPAIP By-law 1305 and must be approved by City Council, except restoration of original components and identical replacements. The City replaces lead water services on the public side; replacing the private portion is not currently mandatory there, but a Lead Subsidy Programme helps eligible owners.

Official pages: Construction and renovation – Westmount ↗ · Is there lead in your water? – Westmount ↗

Other trades in Westmount

Wood stoves and fireplaces — In Westmount, 17 companies, the oldest licensed since 1984.

Nearby in Greater Montréal

Brossard 370Longueuil 1,015La Prairie 137Candiac 158Boucherville 264Laval 2,671Saint-Bruno-de-Montarville 146Sainte-Julie 214Dollard-des-Ormeaux 152Terrebonne 1,151

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