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Roofing Contractors in Cornwall

7 verified roofing contractors in Cornwall. Compare ratings and reviews.

Roofing in Cornwall — What You Need to Know (2026)

Looking for the best roofing contractors in Cornwall? Our directory lists 7 verified roofing companies in Cornwall, Ontario, ranked by Google reviews and ratings. Compare roofing contractors near Cornwall to find the right fit for your project.

Roofing Cost in Cornwall (2026 Ontario Rates)

Roofing cost in Cornwall varies by project scope, materials, and contractor experience. Ontario rates in 2026 reflect rising material costs and strong demand across the Golden Horseshoe. Get at least three written quotes from roofing companies in Cornwall to ensure competitive pricing. Ask for a detailed breakdown of labour, materials, permits, and cleanup.

What to Look for When Hiring a Roofing Contractor in Cornwall

When hiring a roofing contractor in Cornwall, verify their credentials before signing. Check for WSIB (Workplace Safety and Insurance Board) clearance at wsib.ca, confirm liability insurance coverage of $2 million or more, and ask for references from recent projects in Cornwall or nearby communities. Licensed, insured, and Ontario Building Code compliant contractors protect your investment and your property.

Best Time for Roofing Work in Cornwall

Timing matters for roofing work in Cornwall. Ontario's seasonal weather patterns affect both scheduling and pricing. Book your roofing project during shoulder seasons (spring or fall) for better availability and potential savings. Emergency services are available year-round, though expect premium rates during peak demand periods.

Every roofing contractor in our Cornwall directory has a verified Google Business Profile with real customer ratings and reviews. Our marketing gap analysis helps you identify established companies with strong reputations versus newer entrants that may lack adequate documentation.

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Roofing Market in Cornwall

7
Businesses Listed
4.6
Average Rating
311
Total Reviews
0%
With Websites
0%
Claimed Listings
0
Avg Gap Score

Rating Distribution

4.5+ Stars5
4.0-4.4 Stars2
3.5-3.9 Stars0
Below 3.5 Stars0

Data from 7 verified Google Business Profiles

Filters

Showing 7 of 7 roofing businesses in Cornwall

1

City Roofing Cornwall

Roofing·Cornwall·949 Ninth St W
4.6(109 reviews)
2

Roofing Pros Pro Cornwall

Top Rated
Roofing·Cornwall·160 Cumberland St
4.9(60 reviews)
3

Pierre's Roof Works

Roofing·Cornwall·146 Ninth St W
4.3(44 reviews)

Joel Cornwall Roofing

Roofing·Cornwall·167 Sydney St
4.1(33 reviews)

Cornwall Roofing

Roofing·Cornwall·139 McConnell Ave
4.8(29 reviews)

Elite Roofing Cornwall

Roofing·Cornwall·166 Montreal Rd
4.6(25 reviews)

Eastern Ontario Roofing & Siding Services

Roofing·Cornwall·153 Vincent Massey Dr
4.6(11 reviews)

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Roofing Contractor in Cornwall?

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Hiring a Roofing in Ontario

Avg Job Value

$8,000

Peak Season

Spring through fall (Apr-Oct)

What to Look For

  • Minimum 5 years in business
  • $2M+ liability insurance
  • Manufacturer-certified installer (GAF, IKO, CertainTeed)

Tips Before You Hire

  • 1.Always get written estimates, never verbal
  • 2.Check WSIB coverage (protects you from liability)
  • 3.Ask about manufacturer warranty registration

Roofing Cost Guide — Cornwall (2026)

Typical price ranges for roofing work in Cornwall. Get at least 3 quotes to compare.

Shingle Replacementaverage home
$5,000$8,000$15,000
Flat Roofper 1000 sqft
$4,000$7,000$12,000
Repairper repair
$300$700$1,500
Eavestroughfull house
$800$1,500$2,500

Prices in CAD. Based on typical Ontario contractor quotes, 2026. Actual costs vary by scope, materials, and access.

Roofing Licensing in Ontario

Required Licence

No mandatory Ontario license, but look for certifications

Not a compulsory trade in Ontario, but reputable roofers carry liability insurance, WSIB, and manufacturer certifications (GAF, CertainTeed, IKO).

Red Flags to Watch For

  • No liability insurance
  • No WSIB
  • No manufacturer warranty
  • Door-to-door solicitation after storms

Frequently Asked Questions — Roofing in Cornwall

How many roofing contractors are in Cornwall?
There are currently 7 verified roofing contractors listed in Cornwall, Ontario in our directory.
What is the average Google rating for roofing contractors in Cornwall?
The average Google rating for roofing contractors in Cornwall is 4.6 stars based on 311 combined reviews.
Do roofing contractors need a licence in Ontario?
No mandatory Ontario license, but look for certifications. Not a compulsory trade in Ontario, but reputable roofers carry liability insurance, WSIB, and manufacturer certifications (GAF, CertainTeed, IKO).
Do I need a building permit for roofing work in Cornwall?
Most roofing work in Cornwall may require permits from the local building department. Your contractor should handle the permit process. Always confirm permits are included in your quote.
How much does roofing work cost in Cornwall?
Roofing costs in Cornwall vary by project. Shingle Replacement: $5,000-$15,000 (average home). Flat Roof: $4,000-$12,000 (per 1000 sqft). Get at least 3 quotes to compare.
How do I verify a roofing contractor's insurance in Cornwall?
Request a current Certificate of Insurance and verify WSIB (Workplace Safety and Insurance Board) coverage at wsib.ca. This protects you from liability if a worker is injured on your property.
What is the best roofing material for Ontario weather?
Architectural asphalt shingles (30-50 year warranty) are the most popular choice for Ontario's freeze-thaw cycles. Metal roofing is gaining popularity for its 50+ year lifespan and snow-shedding ability. For flat roofs, TPO or EPDM membranes perform best in Canadian winters.
How do I know if my roof needs replacement?
Signs include: shingles curling, cracking, or missing granules; daylight visible through roof boards; sagging roof deck; age over 20 years; multiple leaks or repairs in the past 2 years; and higher energy bills from poor insulation. Get a free inspection from a reputable roofer.
Does home insurance cover roof replacement in Ontario?
Ontario home insurance typically covers roof damage from sudden events (storms, falling trees, fire) but NOT normal wear and tear or age-related deterioration. Document storm damage immediately and file your claim before starting repairs.