Paradoxe Déconstruction inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888Renovation in Lachine (Montréal): 60 renovation companies, 1 new in Lachine in 90 days; 60 reachable by phone.

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Ahuntsic-Cartierville 207Anjou 78Côte-des-Neiges 93Côte-Saint-Luc, Hampstead and Montréal-West 61Lachine 60LaSalle 138Le Plateau-Mont-Royal 100Le Sud-Ouest 130Mercier–Hochelaga-Maisonneuve 166Montréal-Nord 126Mount Royal (TMR) 66NDG (Notre-Dame-de-Grâce) 74Outremont 39Rivière-des-Prairies–Pointe-aux-Trembles 243Rosemont–La Petite-Patrie 182Saint-Laurent 293Saint-Léonard 182Verdun 71Ville-Marie (Downtown) 271Villeray–Saint-Michel–Parc-Extension 172West Island 423Westmount 36All of Montréal
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 631-1888Renovation, construction and general workNew home builders
Call · 438 884-9222Renovation, construction and general work
Call · 514 633-1040Renovation, construction and general workDoors and windows
Call · 438 817-3004Renovation, construction and general work
Call · 514 963-6492Renovation, construction and general work
Call · 450 753-6413Renovation, construction and general work
Call · 514 582-8893Renovation, construction and general workRoofersConcrete and foundations
Call · 514 637-3056Renovation, construction and general work
Call · 438 884-4907Renovation, construction and general work
Call · 514 969-6794Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioning
Call · 514 422-0444Renovation, construction and general workElectricians
Call · 514 538-1338Renovation, construction and general workPlumbers
Call · 514 991-8060Renovation, construction and general work
Call · 450 288-3549Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 637-6457Renovation, construction and general work
Call · 514 677-9927Renovation, construction and general work
Call · 514 489-3079Renovation, construction and general work
Call · 514 770-2309Renovation, construction and general work
Call · 514 775-1896Renovation, construction and general work
Call · 514 946-9350Renovation, construction and general work
Call · 514 458-5586Renovation, construction and general work
Call · 514 999-9019Renovation, construction and general workPlumbers
Call · 514 773-9896Renovation, construction and general work
Call · 514 653-5998Renovation, construction and general workElectricians
Call · 514 716-2221Renovation, construction and general work
Call · 514 836-5680Renovation, construction and general work
Call · 514 898-6780Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 631-7999Renovation, construction and general work
Call · 514 880-5437Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 594-1562Renovation, construction and general workHeating, ventilation and air conditioning
Call · 514 636-4567Renovation, construction and general work
Call · 514 802-3620Renovation, construction and general work
Call · 514 963-5783Renovation, construction and general work
Call · 514 451-3249Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 802-5385Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 514 556-3075Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 617-9770Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 633-5110Renovation, construction and general work
Call · 514 403-0713Renovation, construction and general work
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60 renovation companies in Lachine: under 5 years (26), 10 to 19 years (13), 5 to 9 years (12), 20 years or more (9). Median in Lachine: 2020. Longest licensed in Lachine: Les entreprises J. Piccioni inc. (1984), Ross And Anglin Limitée (1984) and Les Entreprises Charta inc. (1984). Newest: Groupe MDK inc. (August 18, 2026) and Vicardo inc. (April 30, 2026).
33 of 60 in Lachine: renovation only; other trades heating (17), stoves (14), foundations (7), plumbing (6). Subcategories in Lachine: any building (49), small buildings (42), wood heating (14), home ventilation (13), framing (12), piles (6). Bonds in Lachine: 60 at $40,000. 18 have another name.
First licences in Lachine, by decade: 1980s (5), 1990s (1), 2000s (5), 2010s (17), 2020s (32). 20 years or more: 15% of licences in Lachine, 10th of 22 areas (island: 14%).
Lachine covers Lachine. With 60 renovation companies, Lachine is 20th of 22 areas; Côte-Saint-Luc, Hampstead and Montréal-West (61) and Outremont (39) on either side. Lachine share: 2% of 3,211 renovation contractors.
Lachine: 330 alterations out of 526 permits, 63%. Breakdown: residential 286, extensions 34, basements 29. 63% in Lachine, against 71% for Montréal. Other permits in Lachine: new buildings 12, demolitions 8, pools 22. Lachine comes 18th of 19, near Saint-Léonard (372), Anjou (273). Highest 41 (May 2026), lowest 9 (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 Lachine, the permit counter offers appointments with the permit team through an online form, but that service cannot be used to file an application; interior and exterior renovation applications are filed online. In certain sectors, construction and exterior changes require PIIA (site planning and architectural integration) approval (in Old Lachine this also applies to a sign or a satellite dish), and throughout the borough, work on residential buildings of 4 or more units is subject to it.
Official pages: Permit counter – Lachine (in French) ↗ · PIIA approval – Lachine borough (in French) ↗