Rénovations J.P. Guérin inc.
Specialty contractors
Call · 514 821-3185RBQ data dated November 4, 2026: 40 companies active in Carignan for roofing, doors and windows or finishing work. 13 (33%) have held their licence for 10 years or more, the oldest since 1984; 2 got theirs in the last 90 days. Closest: Montréal (1,703).

Specialty contractors
Call · 514 821-3185Specialty contractors
Call · 438 355-5504Specialty contractors
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Call · 438 402-1525Specialty contractors
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Call · 450 572-1784RoofersSpecialty contractors
Call · 438 580-7792Ad · Featured placement · examplePreview only — this is not a contractor listing
Looking for a specialty contractor in Carignan? 39 of the 40 companies on the list work in this trade only; the others are also listed in other trades: roofers (1).
In the Montérégie region, 3,043 companies work in this trade across 146 cities; Carignan has 40 of them (21st).
On this page: Renovation permits in Carignan
Useful guides: Replacing exterior siding: permits in Montréal and Laval · Gutter cleaning and downspouts: Montréal rules · Radon test at home: when to test and how to fix it
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Specialty contractors in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
According to the City of Carignan, when the property is not subject to a PIIA (architectural integration plan), some work does not need a permit: replacing doors and windows with the same size, or changing the type of flooring, when the work is worth $10,000 or less; painting, staining or varnishing; electrical work; replacing exterior wall or roof covering with the same type without changing the structure; or interior maintenance under $10,000 that does not affect the structure, the foundations, a partition, the roof slope or the floor area. A plan from a technologist or an architect is required for work that affects the structure, such as adding or removing a partition or changing a door or window opening. You can apply for a permit online; if your type of application is not offered there, it is filed at City Hall.
Official pages: Permit and certificate application forms (in French) ↗ · Online permits (in French) ↗ · Printable checklist before you sign