Roofers in Thornhill, — 7 Local Contractors

There are 7 roofers in Thornhill, . The average rating is 4.4 out of 5 stars across 7 rated businesses. The highest rated is Stable Roofing Inc (5.0 stars). The most reviewed is Stable Roofing Inc with 52 reviews.

Finding a reliable roofer in Thornhill starts with knowing what to look for. Local contractors in this area handle roof replacement, shingle repair, leak detection, gutter installation, and roof inspections. When comparing options, verify proper licensing, workers compensation coverage, and manufacturer certifications. Get a written warranty covering both materials and workmanship. Ontario's variable four-season climate mean that experienced local contractors will plan accordingly. Check the ratings and reviews below to find a roofer that fits your project and budget.

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Frequently Asked Questions

How many roofers are in Thornhill?
There are 7 roofers listed in Thornhill, as of 2026.
What is the average rating?
The average Google rating for roofers in Thornhill is 4.4 out of 5 stars.
How do I choose a roofer in Thornhill?
Compare ratings and review counts, verify their credentials and insurance, and get at least three quotes before hiring.