Groupe Cousin inc.
Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 514 294-4239367 licensed companies in Ahuntsic-Cartierville (Montréal); licences from 1984 to November 2, 2026, median 2021.

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Ahuntsic-Cartierville 367Anjou 172Côte-des-Neiges 152Côte-Saint-Luc, Hampstead and Montréal-West 112Lachine 144LaSalle 291Le Plateau-Mont-Royal 169Le Sud-Ouest 232Mercier–Hochelaga-Maisonneuve 319Montréal-Nord 263Mount Royal (TMR) 114NDG (Notre-Dame-de-Grâce) 155Outremont 75Rivière-des-Prairies–Pointe-aux-Trembles 621Rosemont–La Petite-Patrie 316Saint-Laurent 548Saint-Léonard 387Verdun 144Ville-Marie (Downtown) 365Villeray–Saint-Michel–Parc-Extension 315West Island 890Westmount 45All of Montréal
Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 514 294-4239Renovation, construction and general work
Call · 514 884-9445Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 770-5579Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 891-1003Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 514 955-0199Renovation, construction and general work
Call · 514 715-2627Renovation, construction and general work
Call · 438 994-7362Renovation, construction and general work
Call · 514 592-0248Renovation, construction and general work
Call · 514 849-1351Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 212-5401Renovation, construction and general work
Call · 514 321-4777Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 514 884-2228Renovation, construction and general work
Call · 514 487-0157Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 984-8194Renovation, construction and general work
Call · 514 856-3333Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 574-4477Specialty contractors
Call · 514 506-8476Renovation, construction and general work
Call · 514 927-7252Renovation, construction and general work
Call · 579 421-0174Specialty contractors
Call · 514 912-9035Renovation, construction and general work
Call · 514 561-8747Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 575-2009Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 971-7133Specialty contractors
Call · 514 663-4060Specialty contractors
Call · 438 381-7769Specialty contractors
Call · 514 808-5550Specialty contractors
Call · 514 802-2864Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 514 232-8777Renovation, construction and general work
Call · 514 795-7034Renovation, construction and general work
Call · 514 382-6959Renovation, construction and general work
Call · 514 566-4663Renovation, construction and general workAccessibility lifts
Call · 514 523-1272Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 956-8111Specialty contractors
Call · 514 941-1689Renovation, construction and general work
Call · 514 562-1062Specialty contractors
Call · 514 971-6657Specialty contractors
Call · 514 699-8597Renovation, construction and general work
Call · 514 562-8524Renovation, construction and general work
Call · 514 718-5517Renovation, construction and general workPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesMasonry
Call · 514 387-9418Largest group in Ahuntsic-Cartierville: under 5 years, 180 of 367; 20 years or more (56), 10 to 19 years (66), 5 to 9 years (65), under 5 years (180). Median in Ahuntsic-Cartierville: 2021. Longest licensed in Ahuntsic-Cartierville: Marcel Mathieu inc. (1984), Construction Dinasa Inc. (1984) and Les entreprises d'électricité Peter Rapanos inc. (1984). Newest: 9521-4649 Québec inc. (November 2, 2026) and Réno S&S lux inc. (October 30, 2026). Ahuntsic-Cartierville, licences per year: 2022 (23), 2023 (34), 2024 (29), 2025 (43), 2026 (47).
Ahuntsic-Cartierville, trades: renovation (207), specialty (92), heating (75), stoves (58), electrical (35), plumbing (22), foundations (16), masonry (14), new homes (12), septic (7), wells (5), lifts (3). Subcategories in Ahuntsic-Cartierville: any building (181), small buildings (156), wood heating (58), home ventilation (58), electrical (35), framing (33). Bonds in Ahuntsic-Cartierville: 236 at $40,000, 128 at $20,000. 105 have another name.
First licences in Ahuntsic-Cartierville, by decade: 1980s (17), 1990s (17), 2000s (31), 2010s (101), 2020s (201). 20 years or more: 15% of licences in Ahuntsic-Cartierville, 9th of 22 areas (island: 15%).
Ahuntsic-Cartierville covers Ahuntsic, Cartierville, Sault-au-Récollet and Bordeaux. Ahuntsic-Cartierville, 367 licensed companies: 5th of 22 areas; around it: Saint-Léonard (387) and Ville-Marie (Downtown) (365). Ahuntsic-Cartierville share: 6% of 6,196 contractors.
Permits in Ahuntsic-Cartierville over a year: 1,564, 88% of them for housing. Kinds: 1,252 alterations, 220 tree removals, 56 pools, 22 new buildings, 14 demolitions. Ahuntsic-Cartierville, frequent subjects: 283 windows, 242 roofs, 220 trees, 148 basements. Ahuntsic-Cartierville, trades: roofing 242, plumbing 61, heating 6, electrical 8. Ahuntsic-Cartierville rank: 4th of 19, between West Island (1,829) and Ville-Marie (Downtown) (1,400). Ahuntsic-Cartierville: 173 permits in May 2026, 60 in January 2026.
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.
In Ahuntsic-Cartierville, a prior information session is mandatory before any permit application, either at the permit counter without an appointment or remotely by phone. The application is then filed online, or at the counter by appointment or right after the session if the file is complete. The borough publishes Info-Permis sheets, including one on rainwater retention and one on backwater valves.
Official pages: The 2 steps to apply for a permit in Ahuntsic-Cartierville (in French) ↗
Lead service lines: the City of Montréal programme →
Masonry — 14 companies in Ahuntsic-Cartierville; the oldest licence dates from 1984.
Concrete and foundations — In Ahuntsic-Cartierville, 16 companies, the oldest licensed since 1984.
Wood stoves and fireplaces — 58 licence holders in Ahuntsic-Cartierville, the first licence in 1984.
New home builders — In Ahuntsic-Cartierville, 12 companies; 5 have “construction” or “builder” in their name.