Best Siding Contractors near Longueuil, QC
3 of these companies are based in Longueuil; the others serve Longueuil from towns including Montreal (4 km), LaSalle (15 km) and Saint-Lambert (4 km).
2 open 24/7 · 5 open weekends · 11 rated 4.5+ · 8 show a licence
Data verified October 18, 2026
Toiture d'Acier
Gouttières et Revêtements Rive-Sud
Couvreur René Perron Ltée
Couvertures & Cheminées Lambert/Foyer Lambert
Toiture Unix
Listed for homeowners in and around Longueuil, QC, these 15 companies work on exterior walls. Details about materials, colour ranges and insulation options are drawn from each company's own site, and the review quotes underneath are public reviews.

Area overview: Longueuil, QC
14 of the 15 companies on this page have a rating, from 4.3 to 5.0 across 1,236 reviews; 9 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (90%), quality (77%) and punctuality (66%). 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 8 show a licence on their websites. 9 have ten or more years of experience, the longest 29 years. 3 offer emergency call-outs; 2 give free estimates and 1 is family- or locally-owned. We have a website on file for all 15 of the companies on this page; 9 publish a contact page and 12 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Are all of these companies based in Longueuil itself?
No. 3 give an address in the city, and the rest cover it from within 20 km. This work is scheduled well ahead, so travel is rarely the problem. Ask instead where you sit in the season, since exterior work here gets squeezed into the warm months.