5 Piliers inc.
Renovation, construction and general workPlumbers
Call · 514 829-5649Le Plateau-Mont-Royal has 101 renovation companies; years licensed on the Plateau-Mont-Royal: 20 or more 3, 10 to 19 28, under 10 70.

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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 workPlumbers
Call · 514 829-5649Renovation, construction and general work
Call · 438 764-9339Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 514 603-0266Renovation, construction and general work
Call · 514 699-8896Renovation, construction and general work
Call · 450 646-1903Renovation, construction and general workElectricians
Call · 514 638-3668Renovation, construction and general work
Call · 438 493-1806Renovation, construction and general work
Call · 450 646-1903Renovation, construction and general work
Call · 514 577-5799Renovation, construction and general work
Call · 514 663-4329Renovation, construction and general work
Call · 514 249-2580Renovation, construction and general work
Call · 438 488-7827Renovation, construction and general workElectriciansWells and water pumps
Call · 514 503-7184Renovation, construction and general workHeating, ventilation and air conditioningSeptic systemsWells and water pumps
Call · 514 982-6774Renovation, construction and general work
Call · 514 993-4251Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 256-5550Renovation, construction and general work
Call · 514 208-1413Renovation, construction and general work
Call · 514 946-7961Renovation, construction and general work
Call · 514 771-5464Renovation, construction and general work
Call · 514 943-9265Renovation, construction and general workHeating, ventilation and air conditioningMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 618-9925Renovation, construction and general work
Call · 514 436-8353Renovation, construction and general work
Call · 514 994-5036Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 223-9001Renovation, construction and general workNew home builders
Call · 514 515-3445Renovation, construction and general workElectricians
Call · 844 780-0302Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 523-9224Renovation, construction and general work
Call · 514 504-7788Renovation, construction and general work
Call · 514 809-5910Renovation, construction and general work
Call · 514 621-8991Renovation, construction and general work
Call · 418 725-9548Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 279-4183Renovation, construction and general work
Call · 514 463-4137Renovation, construction and general work
Call · 514 824-4288Renovation, construction and general work
Call · 514 345-1140Renovation, construction and general work
Call · 514 718-7399Renovation, construction and general work
Call · 514 690-8093Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplaces
Call · 514 996-9546Renovation, construction and general work
Call · 514 433-0723Renovation, construction and general work
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Le Plateau-Mont-Royal, 101 renovation companies — under 5 years (46), 5 to 9 years (24), 10 to 19 years (28), 20 years or more (3). Median on the Plateau-Mont-Royal: 2021. Longest licensed on the Plateau-Mont-Royal: Aménagement ''Côté Jardin'' inc. (1987), OPSIS gestion d'infrastructures inc. (1999) and Construction Macogep inc. (2001). Newest: Saule Construction inc. (November 2, 2026) and GPS3 inc. (July 6, 2026). Le Plateau-Mont-Royal, licences per year: 2022 (10), 2023 (8), 2024 (13), 2025 (7), 2026 (7).
Other trades on the Plateau-Mont-Royal: heating (21), stoves (11), electrical (7), wells (7); single trade: 71 of 101. Subcategories on the Plateau-Mont-Royal: any building (91), small buildings (70), home ventilation (13), wood heating (11), ventilation (9), refrigeration (9). Bonds on the Plateau-Mont-Royal: 101 at $40,000. 38 have another name.
First licences on the Plateau-Mont-Royal, by decade: 1980s (1), 1990s (1), 2000s (7), 2010s (36), 2020s (56). 20 years or more: 3% of licences on the Plateau-Mont-Royal, 21st of 22 areas (island: 14%).
Le Plateau-Mont-Royal covers the Plateau, the Mile End and the Mile-Ex. Le Plateau-Mont-Royal rank: 13th of 22 areas, between Montréal-Nord (126) and Côte-des-Neiges (93). Le Plateau-Mont-Royal share: 3% of 3,215 renovation contractors.
Alterations on the Plateau-Mont-Royal: 1,258, or 90% of 1,391 permits. By keyword, Le Plateau-Mont-Royal: residential 1,024, extensions 7, basements 46. Alterations: 90% on the Plateau-Mont-Royal, 71% across Montréal. Other permits on the Plateau-Mont-Royal: new buildings 7, demolitions 8, pools 1. In the ranking, Le Plateau-Mont-Royal is 3rd of 19 (Mercier–Hochelaga-Maisonneuve (1,592), Ahuntsic-Cartierville (1,252)). Peak on the Plateau-Mont-Royal: 130 in June 2026; low: 73 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 · trades counted from the work descriptions.
On the Plateau-Mont-Royal, you can walk in without an appointment at the borough’s permit counter, or file interior and exterior renovation applications online. For an extension or a new building, you must first book a preliminary meeting by email. The borough’s PIIA (site planning and architectural integration) By-law 2005-18 applies to the whole territory, notably to new buildings, extensions and some work affecting the appearance of a building or a heritage property.
Official pages: Permit counter – Le Plateau-Mont-Royal (in French) ↗ · PIIA – Le Plateau-Mont-Royal (in French) ↗