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Finding a door and window contractor in Saint-Constant
In Saint-Constant, one company holds an active RBQ licence for door and window work, according to RBQ data dated November 3, 2026.
In the Montérégie region, 58 companies work in this trade across 27 cities; Saint-Constant has 1 of them (21st).
The choice is limited in Saint-Constant. Companies from nearby cities in the region, such as Montréal (51), Candiac (16) and Laval (13), may also serve your area: ask them.
The RBQ numbers: doors and windows in Saint-Constant
1companies with an active licence
0new licences in 90 daysnone in the last 30 days
1have held their licence for 10 years or more100% · the oldest since 2005
0have a $40,000 licence bondand 1 at $20,000 · may compensate a client under RBQ rules
9open public tenders within 100 km- All of them have a published phone number: you can call them directly.
On this page: Renovation permits in Saint-Constant
Useful guides: Weatherstripping and caulking: sealing air leaks · Renovation grants in Quebec 2026: LogisVert and Rénoclimat · Window replacement in Montréal: permits and rebates
Open data of the Régie du bâtiment du Québec as of November 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Doors and windows in Greater Montréal.
Homes in Saint-Constant (2021 Census)
11,315households in a private dwelling
25%of dwellings built before 1981including 5% before 1961
77%of households own their home
62%of dwellings are single-detached houses
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Renovation permits in Saint-Constant
According to the City of Saint-Constant, most construction and renovation work needs a permit, which must be obtained before the work starts. To get it, you give the planning department all the plans and documents describing the project. A permit for minor work can be applied for online, and the request can be tracked online; every meeting with the land-use planning department is by appointment.
Official pages: Permits for construction and renovation work (in French) ↗ · Printable checklist before you sign
See also
- Doors and windows in Greater Montréal
- Licensed contractors in Saint-Constant
- RBQ licence check: how to verify a Quebec contractor
- Winter home maintenance checklist: what to check in fall
- Window replacement in Montréal: permits and rebates
- Renovation grants in Quebec 2026: LogisVert and Rénoclimat
- Weatherstripping and caulking: sealing air leaks