In-depth profiles of each contractor, including services, experience, and what sets them apart.
#1
Sanderson Roofing
Best Overall — Ottawa's Oldest & Most Trusted
ExperienceSince 1895
BBB StatusA+ Charter Member
SpecialtyFull-Service Roofing
Service AreaOttawa & Region
Sanderson Roofing is the oldest and among the most respected roofing contractors in the Ottawa region, established in 1895 as a fourth-generation family-owned business. With over 125 years of continuous operation, Sanderson has earned BBB Charter Member status with an A+ rating and is the only Ottawa roofer to hold the prestigious BBB Torch Award. They deliver expert residential, commercial, and industrial roofing services including installation, repair, maintenance, flat and sloped roof systems, sheet metal work, seasonal inspections, and snow and ice removal. Their unmatched longevity and commitment to quality make them Ottawa's clear top choice.
Roofmaster Ottawa has been serving the National Capital Region since 1981, successfully completing over 16,000 roofing projects with a combined 200 years of team experience. They are the 7-time winner of the Consumers Choice Award for Business Excellence and hold BBB accreditation with an A+ rating since 2008. Roofmaster offers a comprehensive range of services including shingle, metal, and flat roof replacement, soffit, fascia, gutters, and eavestroughing for both residential and commercial clients.
Godfrey Roofing has been a trusted Ottawa roofing partner since 1984, with BBB accreditation since 1990 and a consistent A+ rating. They specialize in servicing large residential communities and commercial properties, making them an ideal choice for property managers and homeowner associations. Godfrey offers roof replacement, repairs, maintenance programs, emergency response services, and rooftop snow and ice removal to keep Ottawa properties protected year-round.
Rainbow Roofing & Renovations has been operating in Ottawa since 1987, building their reputation on integrity and honesty with over 7,000 satisfied customers. As a certified installer with extensive warranty coverage, Rainbow provides residential and commercial roofing services including asphalt shingle and flat roof installations, skylight integration, eavestrough work, ventilation systems, flashing fabrication, and seasonal rooftop snow removal. Their A+ BBB rating reflects decades of consistent, reliable service.
Stewart Roofing is a family-run business with over 30 years of established excellence in Ottawa and surrounding areas. With a stable workforce of over 40 tradesmen and thousands of satisfied customers, they are recognized as a premier commercial and residential roofing company in the region. Stewart provides top-quality workmanship backed by the best products in the industry, offering shingled roofing, flat roofing, metal roofing, insulation, and new construction with extended material and workmanship warranties.
Vanity Roofing has been a trusted professional roofing contractor in Ottawa since 1970, bringing over 50 years of collective experience to every project. They are a BBB Accredited Business with an A+ rating, known for excellent customer service that comes through in nearly every customer testimonial. What sets Vanity apart is their 24/7 emergency service for urgent Ottawa roof repairs, ensuring homeowners are never left unprotected. They specialize in shingle roofs, flat roofs, siding, soffit, and fascia.
Best Residential Specialist — Ottawa's Re-Roofing Experts
ExperienceSince 1986
BBB StatusA+ Accredited
SpecialtyResidential Re-Roofing
Service AreaOttawa & Area
Classic Roof has been a trusted provider of residential roofing repairs, replacements, and installations throughout Ottawa since 1986. Their excellent reputation has been cultivated over nearly four decades with dozens of 5-star reviews and an A+ Accredited BBB rating. Classic Roof focuses on residential re-roofing, providing homeowners with dedicated expertise in shingle installation, cosmetic damage repair, metal roofing, and tile roofing. Their focused residential approach means your home project gets undivided attention.
Rydel Roofing & Siding is the premier roofing company in Ottawa, boasting an A+ BBB rating, the HomeStars Best of Eastern Ontario Award, and the distinction of being the only Baeumler Approved roofing and siding company in the region. Since 2012, Rydel has quickly established itself as a leader in both roofing and exterior work. They offer a full range of services including asphalt, metal, and flat roofing, plus eavestroughs, gutters, siding, roofing ventilation, and both commercial and residential projects.
Wolfenburg Roofing brings over 25 years of industry experience to Ottawa's residential, commercial, and industrial roofing market. What distinguishes Wolfenburg is their expertise in green roof installation, making them the go-to contractor for environmentally conscious homeowners and businesses. They are BBB accredited and offer a comprehensive service menu including roof replacement, roof-over, maintenance, inspections, asphalt shingle roofing, composition roofing, metal roofing, roof cleaning, and flashing repair.
Green Roof InstallationRoof ReplacementRoof-OverRoof MaintenanceRoof InspectionAsphalt ShinglesMetal RoofingRoof CleaningFlashing Repair
Roofs of Steel is Ottawa's number one provider of expert metal roofing services, standing out by installing high-quality metal roofs at affordable prices since 2015. They hold BBB accreditation with an A+ rating and differentiate themselves with a lifetime guarantee and transferable warranty on their installations. For Ottawa homeowners seeking the durability, energy efficiency, and snow-shedding benefits of metal roofing, Roofs of Steel is the specialist to call.
Metal Roof InstallationSteel RoofingMetal Roof RepairLifetime WarrantyTransferable WarrantyResidential Metal Roofing
Key factors to consider before hiring a roofer for your Ottawa home or business.
Check Credentials
Verify that the contractor carries proper liability insurance (minimum $2 million), has active WSIB (Workplace Safety and Insurance Board) coverage, and holds any required municipal permits. Ask for proof before signing any contract.
Get Multiple Quotes
Obtain at least three written estimates. Compare not just price, but scope of work, materials specified, warranty terms, and projected timeline. The cheapest quote isn't always the best value.
Verify BBB Standing
Check the Better Business Bureau for the contractor's accreditation status, rating, and complaint history. All 10 contractors on our list hold either BBB accreditation or an A+ rating.
Review Past Work
Ask for references and photos of completed projects similar to yours. Reputable Ottawa roofers are happy to share their work history and connect you with previous customers.
Understand the Warranty
Ensure you know the difference between the manufacturer's material warranty and the contractor's workmanship warranty. Good Ottawa roofers offer at minimum a 5-year workmanship warranty.
Consider Ottawa's Climate
Ottawa's heavy snowfall, ice damming, freeze-thaw cycles, and summer storms demand specific roofing solutions. Choose a contractor experienced with ice-and-water shield, proper attic ventilation, and materials rated for Canadian winters.
Frequently Asked Questions
Common questions about roofing in Ottawa.
A new residential roof in Ottawa typically costs between $5 and $35 per square foot, or roughly $10,000 to $70,000 for a 2,000 square foot home depending on materials and complexity. Asphalt shingles are the most affordable option, while metal, slate, and cedar shake roofs cost more. Most Ottawa roofers offer free estimates — we recommend getting quotes from at least three contractors on our list.
Many top Ottawa roofing contractors offer financing options. Roofmaster, Rydel Roofing, and several others provide flexible payment plans to help homeowners manage the cost of major roof work. Ask about financing during your initial consultation.
A standard residential roof replacement in Ottawa takes 1 to 3 days depending on the size of the roof and weather conditions. Larger or more complex projects may take up to a week. Ottawa's weather can cause scheduling delays, especially during winter months between November and March when snow and ice conditions make roofing work more challenging.
Ottawa's climate demands durable, weather-resistant roofing materials that can handle heavy snow loads, ice damming, and extreme freeze-thaw cycles. Asphalt shingles rated for Canadian winters are the most popular choice. Metal roofing is gaining popularity for its snow-shedding ability and longevity. Proper attic ventilation and ice-and-water shield underlayment are critical in Ottawa's harsh winter climate.
BBB accreditation indicates that a roofing contractor has met specific trust standards and committed to resolving customer complaints. While not the only factor, it provides an additional layer of consumer protection. All 10 contractors in our Ottawa ranking hold either BBB accreditation or an A+ rating.
If your roof is less than 15 years old and the damage is localized (a few missing shingles, minor leak), repair is usually sufficient. If the roof is approaching 20–25 years, has widespread damage, or you're seeing multiple leaks, replacement is typically more cost-effective long-term. Read our detailed guide on roof repair vs replacement for more information. A reputable Ottawa roofer can provide an honest assessment.
Roofing in Ottawa: What You Need to Know
Ottawa's roofing industry is shaped by the city's demanding four-season climate. As Canada's capital city, situated along the Ottawa River in eastern Ontario, Ottawa experiences some of the most challenging weather conditions for roofing in the country — including heavy snowfall averaging over 200 cm per year, ice damming, extreme freeze-thaw cycles, and occasional summer storms. These conditions make choosing the right roofing contractor and materials critical for protecting your home.
The Ottawa housing market includes a wide range of properties, from heritage homes in the Glebe and Sandy Hill to modern subdivisions in Barrhaven, Orleans, and Kanata. Many homes built during the construction booms of the 1960s through 1980s are now due for roof replacement, keeping local contractors busy year-round. The city's growth into surrounding communities like Stittsville, Manotick, and Riverside South has also expanded the service areas for Ottawa's top roofers.
Roofing contractors operating in Ontario must carry proper liability insurance and WSIB (Workplace Safety and Insurance Board) coverage. We recommend verifying these credentials before hiring any roofing company, regardless of their ranking on our list. Additionally, certain roofing projects in Ottawa may require building permits from the City of Ottawa.