Top 10 Roofing Contractors in Markham 2026 Ranked & Reviewed

They aim to provide the highest levels of workmanship in their project implementation. The owner has over 47 years of combined industry experience. Their fully trained team of roofers and dedication to customer service allow them to provide you with industry-leading roofing results. They use the highest-quality materials to withstand harsh weather conditions and the elements to protect your family and valuables from roof damage.
If your kitchen or bathroom vents are exhausting directly into the attic space instead of outside through a dedicated roof cap, the trapped moisture will rapidly degrade your wood deck. We analyze these interior warning signs to make sure your ventilation system balances perfectly with your exterior layout. Roof Pro Plus Home Improvements South has over two decades of experience in the Greater Toronto Area, is fully insured, and possesses a guaranteed workmanship warranty of 10 years. These characteristics are clear indicators that Roof Pro Plus Home Improvements South is qualified to complete nearly any residential project. However, this beloved local institution also boasts rare, impressive qualities that have contributed to their widespread consumer popularity throughout the region and meteoric rise to the top if the industry. These are problems flat roof homeowners might not notice right away, but they can be quickly identified by experienced, professional roofers during an inspection.

Architectural asphalt shingles built for freeze–thaw durability and sustained wind exposure protection. Roof repairs and installations for detached homes, townhouses, garages, and custom builds across Markham neighborhoods. Did everything in the contract, new steel, sub-membraine, professional, enough manpower, good clean-up, on time (of course weather is always a factor), good communication, Simon easy to get hold of. Kevin came to my place at the appointed time was very courteous and answered all my questions. He helped us solve our issue, and did not try to sell me on more work like other trades i have dealt with.
RonOvations is properly insured and works to industry best practices, so every Markham project is completed safely, professionally, and to code. Markham roof failures can escalate quickly during winter storms or wind events. Snow accumulation across wide suburban rooflines, tree limb impact in mature neighborhoods, and flashing displacement can allow rapid interior moisture damage if not stabilized immediately. Metal roofing installation and repair offer long-term durability, snow shedding efficiency, and wind resistance.
Professional roofing services in Markham are built for York Region conditions. We handle roof repair, replacement, flat roofing, metal roofing, skylights, gutters, ventilation, and emergency roofing. Because Markham's climate is so demanding, choosing an experienced local contractor matters more here  than it might in a milder region. A roofer who knows the area will specify a continuous ice-and-water shield membrane along eaves and valleys, balanced attic ventilation, and adequate insulation — the details that actually prevent ice dams and winter leaks. Local, established companies are also easier to hold accountable on workmanship warranties and are more likely to honour them years down the road. Trudel & Sons Roofing is a long-established family roofer serving Markham, Richmond Hill, and Southern Ontario, with more than 35 years in business.

The good news is that many are preventable with prompt attention. Especially in the rugged Canadian climate, exposure to the elements leads to  wear and tear that eventually gives way to leaks and water damage, which can undermine the structural integrity of your roof. High-quality siding installation services in Toronto and the GTA, improving energy efficiency, durability, and curb appeal for your home. RonOvations offers free, no obligation estimates for repairs, replacements, inspections, and exterior projects throughout Markham. We explain your options in plain language before any work begins. Schedule your free professional roof inspection in Markham today and protect your property with confidence.
It is BBB accredited with an A+ rating (accredited since 1994) and confirms that all workers are covered under WSIB. The company installs and repairs asphalt shingle, metal, copper, and flat roofs for residential, commercial, and industrial clients, and also offers skylight installation, siding, and deck coating. The City of Markham Building Services department notes that a standard, non-structural roof replacement using asphalt shingles does not require a municipal building permit. We install and service asphalt shingle roofing, metal roofing, and flat roofing systems for both residential and commercial properties in Markham. Our team helps you choose the right system for your home, your budget, and the York Region climate. Our team understands the challenges Ontario weather can bring, from hailstorms and strong winds to heavy snow and rapid temperature changes.

Based in Markham, C Plus Roofing specializes in roof repair and replacement for single-family homes and townhomes across Toronto, North York, Richmond Hill, and the GTA. The company is fully licensed and insured and installs roofing products it describes as made in Canada. It is BBB accredited with an A+ rating (listed as C+ Roofing Inc., accredited since 2014). Many mid-century and modern homes in these central residential streets have layered past repairs, aging brick chimneys, and original wood roof deck boards that may have widened gaps. When undertaking a project here, our professional roofers carefully inspect the stability of the deck, ensuring it can safely hold a modern shingle layout without sagging or compromising fastener grip. Sudden structural damage from a fallen tree branch or high winds demands immediate attention to prevent severe water damage.
Properties near the Highway 407 belt, Woodbine Avenue, and local industrial areas often feature sprawling flat structures, multi-unit plazas, or mixed commercial-residential builds. These jobs require strict adherence to site safety precautions, detailed scheduling to minimize disruption to local businesses, and heavy-duty membrane systems that can tolerate foot traffic and rooftop mechanical equipment. A long-lasting fix requires knowing exactly why a system is breaking down, rather than just slapping down new roof sealant over a visible ceiling stain.
We also provide expert roofing services in these nearby communities. We provide complete property evaluations, supply detailed digital photography of the storm damage, and offer itemized written estimates to help local homeowners navigate their insurance claims smoothly.  Keep an eye out for curling or lifted shingles, heavy granule buildup in your gutters, discoloured interior drywall, or peeling paint along your exterior fascia boards. If you notice a dark ring on an upper ceiling after heavy, wind-driven rain, it is time to schedule a professional evaluation to address the roofing issue. Use a pair of binoculars to check your roof lines safely from the ground.