Service d'Entretien Toitures Trois Étoiles inc.
Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplacesConcrete and foundations
Call · 514 365-6600Roofing companies in LaSalle (Montréal)
8 roofing companies in LaSalle (Montréal); licences from 1984 to June 1, 2026, median 2011.
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Ahuntsic-Cartierville 2Lachine 3LaSalle 8Le Plateau-Mont-Royal 1Le Sud-Ouest 3Montréal-Nord 4NDG (Notre-Dame-de-Grâce) 4Rivière-des-Prairies–Pointe-aux-Trembles 20Rosemont–La Petite-Patrie 2Saint-Laurent 7Saint-Léonard 11Ville-Marie (Downtown) 6Villeray–Saint-Michel–Parc-Extension 4West Island 16All of Montréal
Derouin Portes et Fenêtres inc.
RoofersDoors and windowsConcrete and foundations
Call · 514 364-18909250-0750 Québec inc
Renovation, construction and general workRoofers
Call · 450 676-67586236651 Canada inc.
Heating, ventilation and air conditioningRoofersWood stoves and fireplacesConcrete and foundations
Call · 514 935-2730Toitures Trois Étoiles inc.
Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplacesConcrete and foundations
Call · 514 365-6600Les Toitures Roger Savoie Ltée
Renovation, construction and general workRoofers
Call · 514 768-4386Toitures Tip Top inc.
RoofersSpecialty contractors
Call · 514 659-8784PARECO "+" Inc.
Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplaces
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LaSalle by the numbers
LaSalle: years licensed, roofers
Largest group in LaSalle: 10 to 19 years, 3 of 8; 20 years or more (2), 10 to 19 years (3), 5 to 9 years (2), under 5 years (1). Median in LaSalle: 2011. Longest licensed in LaSalle: Toitures Trois Étoiles inc. (1984), 6236651 Canada inc. (2004) and PARECO "+" Inc. (2009). Newest: Toitures Tip Top inc. (June 1, 2026) and Service d'Entretien Toitures Trois Étoiles inc. (January 15, 2020).
LaSalle: licences, roofers
LaSalle: 0 roofing companies with no other trade, 8 also work in renovation (5), heating (4), stoves (4), foundations (4). Subcategories in LaSalle: any building (5), framing (5), wood heating (4), small buildings (4), concrete (4), home ventilation (4). Bonds in LaSalle: 6 at $40,000, 2 at $20,000. 6 have another name.
Comparisons, LaSalle
First licences in LaSalle, by decade: 1980s (1), 2000s (2), 2010s (3), 2020s (2). 20 years or more: 25% of licences in LaSalle, 10th of 22 areas (island: 31%).
Neighbours of LaSalle
LaSalle covers LaSalle. LaSalle, 8 roofing companies: 4th of 22 areas; around it: Saint-Léonard (11) and Saint-Laurent (7). LaSalle share: 9% of 91 roofers.
LaSalle, permits over 12 months
80 of 606: roofing in LaSalle. LaSalle in detail: membranes 58, shingles 10. Share in LaSalle: 13%; Montréal: 11%. 472 alterations and 16 new buildings in LaSalle. LaSalle rank: 10th of 19, between Montréal-Nord (104) and Outremont (63). LaSalle: 14 permits in July 2026, 1 in February 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 · trades counted from the work descriptions.
LaSalle: permits and rules
In LaSalle, permit applications are filed only online or by appointment at the permit counter, and information requests are handled by email or by appointment. The borough’s urban planning and business services directorate (DAUSE) guides applicants, and some projects fall under the PIIAD, which covers fences and low walls in PIIAD sectors. The permit must be posted at the work site.
Official pages: Permit counter – LaSalle (in French) ↗ · Getting a permit in LaSalle (in French) ↗