Les Constructions Dagi Inc.
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 364-1114138 renovation companies in LaSalle (Montréal); licences from 1984 to October 29, 2026, median 2019.

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Ahuntsic-Cartierville 207Anjou 78Côte-des-Neiges 93Côte-Saint-Luc, Hampstead and Montréal-West 61Lachine 59LaSalle 138Le Plateau-Mont-Royal 101Le Sud-Ouest 130Mercier–Hochelaga-Maisonneuve 166Montréal-Nord 126Mount Royal (TMR) 67NDG (Notre-Dame-de-Grâce) 74Outremont 39Rivière-des-Prairies–Pointe-aux-Trembles 243Rosemont–La Petite-Patrie 184Saint-Laurent 292Saint-Léonard 182Verdun 72Ville-Marie (Downtown) 271Villeray–Saint-Michel–Parc-Extension 173West Island 423Westmount 36All of Montréal
Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 364-1114Renovation, construction and general workHeating, ventilation and air conditioning
Call · 514 852-3333Renovation, construction and general workElectriciansConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 481-0451Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 363-8840Renovation, construction and general work
Call · 514 367-3560Renovation, construction and general workElectriciansHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 368-1827Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 813-5294Renovation, construction and general workRoofers
Call · 514 768-4386Renovation, construction and general workElectricians
Call · 514 766-4097Renovation, construction and general work
Call · 514 803-8000Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 688-2487Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps
Call · 514 595-6656Renovation, construction and general workElectricians
Call · 514 768-6315Renovation, construction and general work
Call · 514 971-9982Renovation, construction and general workPlumbersHeating, ventilation and air conditioning
Call · 514 365-3663Renovation, construction and general work
Call · 514 927-1635Renovation, construction and general workNew home builders
Call · 514 366-2828Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 481-0451Renovation, construction and general work
Call · 514 364-9658Renovation, construction and general work
Call · 514 935-2738Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 368-4224Renovation, construction and general workHeating, ventilation and air conditioning
Call · 514 926-2577Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplaces
Call · 514 488-4882Renovation, construction and general work
Call · 514 746-4238Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundations
Call · 514 594-0267Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioning
Call · 514 488-6577Renovation, construction and general work
Call · 514 366-3616Renovation, construction and general workElectriciansPlumbers
Call · 514 333-0112Renovation, construction and general work
Call · 514 585-8161Renovation, construction and general workPlumbersHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 829-4998Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 335-0007Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 765-3295Renovation, construction and general work
Call · 514 432-1611Renovation, construction and general work
Call · 514 617-5151Renovation, construction and general workElectriciansConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 481-0451Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 482-8911Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonrySeptic systemsWells and water pumps
Call · 514 595-6333Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioning
Call · 514 366-0330Renovation, construction and general work
Call · 514 777-9095Renovation, construction and general work
Call · 514 365-1991Largest group in LaSalle: under 5 years, 53 of 138; 20 years or more (24), 10 to 19 years (31), 5 to 9 years (30), under 5 years (53). Median in LaSalle: 2019. Longest licensed in LaSalle: Les Développements Abitec Ltée (1984), Construction Morival Ltée (1984) and Plomberie chauffage Normand inc. (1984). Newest: Solution Sous-Sol Efficace inc. (October 29, 2026) and Etson Design inc. (October 21, 2026). LaSalle, licences per year: 2022 (9), 2023 (13), 2024 (7), 2025 (12), 2026 (12).
LaSalle: 77 renovation companies with no other trade, 61 also work in heating (42), stoves (31), electrical (13), foundations (11). Subcategories in LaSalle: any building (118), small buildings (95), home ventilation (33), wood heating (31), electrical (13), steel (11). Bonds in LaSalle: 138 at $40,000. 42 have another name.
First licences in LaSalle, by decade: 1980s (8), 1990s (6), 2000s (15), 2010s (42), 2020s (67). 20 years or more: 17% of licences in LaSalle, 6th of 22 areas (island: 14%).
LaSalle covers LaSalle. LaSalle, 138 renovation companies: 10th of 22 areas; around it: Mercier–Hochelaga-Maisonneuve (166) and Le Sud-Ouest (130). LaSalle share: 4% of 3,215 renovation contractors.
472 of the 606 permits in LaSalle were alterations. LaSalle in detail: residential 417, extensions 16, basements 61. Share in LaSalle: 78%; Montréal: 71%. Other permits in LaSalle: new buildings 16, demolitions 2, pools 16. LaSalle rank: 10th of 19, between NDG (585) and Outremont (469). LaSalle: 64 permits in June 2026, 16 in December 2025.
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.
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) ↗