Roofing in Markham400 Bentley St Unit 10
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Is this your business? Claim or correct it freeBest Roofing Contractors in Markham, Ontario
9 roofing contractors listed in Markham. Owner-claimed listings first, then the most complete.
Check a business's registration through Ontario's official business directory. Learn more about this trade and its industry standards on Wikipedia.
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Roofing Contractors in Markham
Roofing in Markham186 Old Kennedy Rd
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Is this your business? Claim or correct it freeRoofing in Markham13 Merry Brook Ln
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Is this your business? Claim or correct it freeRoofing in Markham8 Hikers Ln
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Is this your business? Claim or correct it freeRoofing in Markham7181 Yonge St Unit 24A
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Is this your business? Claim or correct it freeRoofing in Markham12 Heritage Rd Unit 2A
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Is this your business? Claim or correct it freeRoofing in Markham70 Doubtfire Crescent
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Is this your business? Claim or correct it freeRoofing in MarkhamToronto
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Is this your business? Claim or correct it freeRoofing in Markham185 Manhattan Dr
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Is this your business? Claim or correct it freeRoofing in Markham — What You Need to Know (2026)
Looking for the best roofing contractors in Markham? Our directory lists 9 listed roofing companies in Markham, Ontario, ordered by claimed status and how complete each listing is. Compare roofing contractors near Markham to find the right fit for your project.
Roofing Cost in Markham (2026 Ontario Rates)
Roofing cost in Markham 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 Markham 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 Markham
When hiring a roofing contractor in Markham, 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 Markham or nearby communities. Licensed, insured, and Ontario Building Code compliant contractors protect your investment and your property.
Best Time for Roofing Work in Markham
Timing matters for roofing work in Markham. 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.
Listings come from public business sources and owner claims; this directory does not show star ratings or review counts.
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9
Businesses Listed
100%
With a Phone Listed
89%
With Websites
0%
Claimed Listings
Counts cover the 9 listings shown on this page.
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 — Markham (2026)
Typical price ranges for roofing work in Markham. 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
Markham Homeowner Resources
Official municipal links for permits, bylaws, and services
Ontario Contractor Verification
Verify licences, insurance, and credentials before hiring
What to Book This Season
September — November in Markham
Furnace tune-upWindow/door replacementInsulation upgradesEavestrough guardsDriveway sealingWeatherproofing
Fall is the sweet spot — contractors are less busy, prices drop, and you prepare for winter.
Before You Hire a Contractor in Markham
- Get at least 3 written quotes for comparison
- Verify WSIB clearance certificate (protects YOU from liability)
- Check Google reviews AND ask for local references
- Confirm they will pull all required permits
- Never pay more than 10-15% deposit upfront
- Get everything in writing — scope, timeline, payment schedule
- Verify their business insurance is current
- For regulated trades (electrical, plumbing, gas), verify their license number
Ontario law: Ontario's Construction Act provides a 10% holdback right on construction projects. Learn more
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Frequently Asked Questions — Roofing in Markham
- How many roofing contractors are in Markham?
- There are currently 9 listed roofing contractors listed in Markham, Ontario in our directory.
- 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 Markham?
- Most roofing work in Markham 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 Markham?
- Roofing costs in Markham 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 Markham?
- 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.
Resources for Roofing in Markham
Guides & Cost Estimates
Homeowner Knowledge Base
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Listing data checked September 24, 2026. Owner-claimed listings first, then the most complete.
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