•Mississauga has 19 listed roofing professionals with an exceptionally high average Google rating of 4.9 out of 5 stars — well above the national industry average — indicating a competitive, quality-driven local market.
•Five companies have achieved a perfect 5.0-star rating, led by Taminka Metal Roofing with 642 reviews, HomeVision Roofing & Siding with 260 reviews, and MROOF - Metal Roofing with 106 reviews — giving you high-confidence options backed by substantial customer feedback.
•Roofing costs in Mississauga typically range from CAD $8,000 to $30,000+, depending on roof size, material type, and complexity. Metal roofing sits at the higher end but offers significantly longer lifespans suited to Ontario's freeze-thaw cycles.
•Mississauga's climate demands roofs that handle heavy snowfall, ice damming, and spring moisture — making proper attic ventilation, ice-and-water shield underlayment, and flashing quality non-negotiable items to discuss with any contractor.
•The practical installation season in Mississauga runs from May through October. Booking your project early in spring or late winter gives you the most contractor availability and the best pricing leverage before the summer rush.
Roofing in Mississauga: What You Need to Know
Mississauga is one of Canada's largest and most rapidly growing urban centres, sitting at the western edge of the Greater Toronto Area along the shores of Lake Ontario. This geography matters for your roof. The lake effect from Lake Ontario amplifies winter precipitation, increases freeze-thaw cycling through shoulder seasons, and drives wind-driven rain events in spring and fall that can exploit even minor flashing or sealant failures. The city's housing stock spans everything from 1960s bungalows in older neighbourhoods like Port Credit and Lakeview to newer executive homes in Erin Mills and Churchill Meadows, meaning roofing contractors here need to be comfortable with a wide range of roof profiles, pitches, and materials. Understanding both the age of your home and its existing roofing system is the first step to getting accurate quotes.
With 19 roofing professionals listed in Mississauga and an average Google rating of 4.9 stars across the board, homeowners here are genuinely fortunate. This level of rating consistency is uncommon in a trade where quality variance is typically wide. It reflects a market where reputation matters and where word-of-mouth among neighbours — particularly in Mississauga's densely populated communities — creates real accountability. That said, a high average rating does not eliminate the need for due diligence. The difference between a contractor who installs 30-year architectural shingles correctly and one who cuts corners on underlayment or ventilation will not show up in your roof's appearance for several years, but it will absolutely show up in your energy bills, your warranty claims, and your next roof replacement timeline. This guide is designed to give you the framework to tell the difference before you sign a contract.
All 19 listed roofing businesses in Mississauga offer direct phone contact, which is a meaningful operational signal. Contractors who are reachable by phone during business hours are generally more responsive to project timelines, change orders, and post-installation concerns. For a project that can cost between CAD $8,000 and $30,000 or more, that responsiveness is not a luxury — it is a baseline expectation. Plan on receiving your estimate within 2 to 3 business days of your initial contact, and treat any contractor who cannot meet that window during non-peak season with appropriate caution.
Mississauga-Specific Tip: Homes in older lakeside neighbourhoods like Port Credit and Lakeview are particularly exposed to moisture-laden winds off Lake Ontario. If your home is within 3–5 km of the lakeshore, ask any roofing contractor specifically about their approach to drip edge installation, ice-and-water shield coverage, and ridge vent specifications. These details matter more in lake-adjacent locations than they do for inland Mississauga properties, and a contractor who does not immediately know how to answer those questions may lack the local experience your project requires.
How Much Does Roofing Cost in Mississauga?
Roofing costs in Mississauga reflect both the Greater Toronto Area labour market and the specific material demands of an Ontario climate. The broad range of CAD $8,000 to $30,000+ encompasses most residential projects, but understanding where your project falls within that range requires looking at several variables simultaneously. Roof square footage is the most obvious driver, but pitch is equally important — a steeply pitched roof in one of Mississauga's older heritage-style homes in Streetsville or Cooksville requires more labour hours, specialized safety equipment, and higher insurance risk for the contractor, all of which translate directly into your quote. Similarly, the number of penetrations — chimneys, skylights, plumbing vents, HVAC stacks — each represents a flashing detail that adds both material and labour cost.
Material choice is the single biggest cost lever available to Mississauga homeowners. Standard three-tab asphalt shingles have largely been displaced by architectural (dimensional) shingles, which carry better wind ratings and longer manufacturer warranties — important given Ontario's storm exposure. Metal roofing, offered by several top-rated Mississauga contractors including Taminka Metal Roofing and MROOF - Metal Roofing, commands a significantly higher upfront cost but delivers lifespans of 40 to 70 years depending on the system, superior performance in freeze-thaw conditions, and potential insurance premium reductions for impact-resistant products. When evaluating cost, always calculate cost-per-year of expected service life rather than comparing raw installation prices across different material categories.
Most common choice in Mississauga. Includes tear-off of one layer, ice-and-water shield, synthetic underlayment, and drip edge. 25–30 year manufacturer warranty typical.
Metal Roofing (Standing Seam or Steel Panel)
Low$16,000
High$30,000+
Higher upfront cost offset by 40–70 year lifespan and minimal maintenance. Increasingly popular in Mississauga due to performance in Ontario freeze-thaw cycles. Multiple top-rated local contractors specialize in this.
Flat / Low-Slope Roof (TPO, EPDM, or Modified Bitumen)
Low$8,500
High$18,000
Common on Mississauga townhomes, additions, and commercial-residential hybrids. Drainage design is critical in this climate. Expect 15–25 year lifespans depending on membrane system.
Partial Repair / Section Replacement
Low$1,500
High$5,000
Appropriate only when surrounding roof material is in sound condition. Mississauga contractors should match shingle profile and colour to existing roof. Get a written assessment on surrounding shingle age before proceeding.
Money-Saving Tip for Mississauga Homeowners: Book your roofing project for late April through early June or in September. These shoulder-season windows fall outside the peak summer rush when Mississauga contractors are fully booked and have less scheduling flexibility. Contractors who are not juggling five simultaneous crews are more likely to spend time on detail work, and some offer modest pricing flexibility during slower booking periods. Also ask your contractor whether your existing shingle layer qualifies for a direct overlay — in some cases where the decking is sound and you have only one existing layer, this can reduce labour and disposal costs, though it is not always appropriate and should be assessed by an experienced local contractor.
How to Choose the Right Roofing Contractor in Mississauga
5 Questions to Ask Before Hiring a Mississauga Roofer
Are you licensed and insured to work in Ontario, and can you provide your WSIB clearance certificate and liability insurance certificate before work begins? The right answer is an immediate yes with documents provided upfront — not a promise to send them later. Ontario roofing contractors should carry a minimum of $2 million in general liability coverage. Any hesitation on this question is a dealbreaker.
What specific underlayment system and ice-and-water shield coverage do you use, and why? The right answer demonstrates knowledge of Ontario Building Code requirements for ice-and-water shield at eaves and in valleys, and ideally shows a preference for self-adhered synthetic underlayment over felt paper for Mississauga's moisture-heavy climate. A contractor who cannot describe their underlayment system in detail does not have the technical depth your project requires.
Who will actually be on my roof — your own employees or subcontractors, and who supervises the crew daily? The right answer is transparency. Many reputable contractors use subcontractors — that is not automatically a problem — but you need to know whether the crew on your roof is supervised by an experienced project manager employed by the company you hired, and whether those subcontractors are covered under the contractor's insurance and WSIB.
What does your warranty cover, and is the manufacturer's warranty registered in my name? The right answer includes both a workmanship warranty (ideally 5–10 years minimum) and a manufacturer's material warranty registered to the homeowner — not the contractor. Several top-rated Mississauga contractors offer manufacturer-backed enhanced warranties that cover both material and labour when installation standards are met. Ask specifically whether the warranty transfers if you sell the home.
Can you provide references from roofing projects completed in Mississauga within the last 18 months, ideally in my neighbourhood or with a similar roof type? The right answer is yes, with at least two or three references provided readily. Local references are particularly valuable because Mississauga's climate conditions are consistent across the city, and a contractor who has successfully completed similar work nearby has demonstrated site-specific competence. Follow up by actually calling those references and asking about cleanup, communication, and whether any issues arose after installation.
Red Flags When Hiring a Roofer in Mississauga
Watch for These Red Flags Before Signing Any Roofing Contract in Mississauga:
Door-to-door solicitation after a major storm — legitimate, established Mississauga roofing contractors do not canvass neighbourhoods after weather events. Storm chasers typically carry low-quality materials, perform rushed work, and disappear before warranty claims arise.
Requests for large upfront deposits — a deposit of 10–25% is reasonable to cover material orders. Any contractor demanding 50% or full payment before work begins should be declined. Established roofing businesses in a market like Mississauga have trade accounts and do not need your cash to purchase materials.
No physical business address or only a P.O. box — all credentialed roofing businesses operating in Mississauga should have a traceable physical presence. A contractor who cannot provide a verifiable business address has limited accountability if disputes arise post-installation.
Verbal-only estimates or contracts — every roofing project in Mississauga should be governed by a written contract specifying materials (including brand, product line, and colour), scope of work, timeline, payment schedule, warranty terms, and debris disposal responsibilities. A contractor who resists putting terms in writing is a contractor who plans to change those terms.
Significantly lower bids without explanation — if one Mississauga contractor quotes $7,000 for a job that three others have quoted at $12,000–$14,000, ask specifically what is different. The answer almost always involves inferior materials, skipped underlayment layers, uncertified labour, or no WSIB coverage — costs that eventually transfer back to you.
Top-Rated Roofing Companies in Mississauga
Among the 19 roofing professionals listed in Mississauga, five companies have achieved a perfect 5.0-star Google rating. What makes this group particularly noteworthy is the volume of reviews behind several of these ratings — a 5.0 average across dozens or hundreds of reviews is far more statistically meaningful than a perfect score from a handful of customers, and gives you genuine signal about consistent quality rather than statistical luck.
Taminka Metal Roofing stands out as the most review-validated contractor in this group, holding a 5.0-star rating across 642 Google reviews. That volume of feedback across what is presumably a multi-year operating history provides strong evidence of consistent workmanship and customer service. Their specialization in metal roofing positions them well for Mississauga homeowners looking at long-term, low-maintenance solutions suited to Ontario's climate demands. HomeVision Roofing & Siding follows with 260 reviews at a perfect 5.0 stars, with their combined roofing and siding offering making them a practical choice for homeowners considering whole-exterior upgrades simultaneously. MROOF - Metal Roofing, with 106 reviews at 5.0 stars, represents another strong option in the metal roofing segment — a category that has grown substantially in the Mississauga market as homeowners weigh lifecycle costs over initial price.
Country Roofing Inc. holds a 5.0-star rating across 62 reviews, a strong result for what appears to be a more focused local operation. Contractors with this profile often offer more direct owner involvement on projects and closer attention to individual job detail — qualities that matter on complex or custom roofing work. Above It All Roofing Inc Mississauga rounds out the top five with a 5.0 rating from 4 reviews; while the review count is early-stage, a perfect score from initial customers combined with a local Mississauga focus makes them worth evaluating, particularly for homeowners who prefer working with newer businesses that are still building their local reputation and may be especially motivated to deliver on every job.
Company
Rating
Reviews
Best For
Taminka Metal Roofing
5.0★
642
Metal roofing installations; highest review volume in Mississauga market; ideal for homeowners prioritizing long-term durability and wanting maximum social proof before hiring
HomeVision Roofing & Siding
5.0★
260
Combined roofing and siding projects; strong choice for homeowners undertaking full exterior renovations who want a single credentialed contractor managing both scopes
MROOF - Metal Roofing
5.0★
106
Metal roofing specialist; solid review base for a focused metal roofing contractor; good option for those seeking a second opinion or competitive quote on metal systems
Country Roofing Inc.
5.0★
62
Full-service residential roofing; strong local reputation with consistent ratings; well-suited for homeowners who value direct contractor involvement and personalized service
Above It All Roofing Inc Mississauga
5.0★
4
Homeowners open to working with an emerging local contractor; early-stage review profile but perfect rating suggests strong initial customer experience; may offer attentive service to establish local market presence
Seasonal Roofing Guide for Mississauga Homeowners
Mississauga's climate follows the broader Southern Ontario pattern of hot, humid summers, unpredictable spring and fall shoulder seasons, and winters characterized by freeze-thaw cycling, significant snowfall, and periodic ice storms — all of which have direct consequences for your roof's performance and maintenance schedule. Understanding the seasonal rhythm of roofing in this city will help you plan projects, anticipate problems, and avoid the panic of emergency repairs during the most inconvenient times of year.
Winter (November–March): This is Mississauga's most damaging season for roofs. The primary threats are ice damming — where heat escaping through an inadequately insulated and ventilated attic melts snow near the ridge, which then refreezes at the cold eaves and forces water under shingles — and the simple mechanical stress of heavy snow loads, particularly on flatter residential roofs. Ice damming is not just a roofing problem; it is an insulation and ventilation problem, and any roofing contractor who addresses a recurring ice dam issue solely by replacing shingles without evaluating attic conditions is not solving the actual problem. If you notice large icicles forming at your eaves or water staining on interior ceilings near exterior walls following heavy snowfall, schedule a roofing and attic assessment before spring. Do not attempt DIY ice removal with picks or hammers — the shingle and flashing damage from improper ice removal frequently exceeds the damage from the ice dam itself.
Spring (April–May): Spring is the most important inspection window of the year in Mississauga. After every harsh winter — and Southern Ontario delivers several — a systematic roof inspection should be on your April checklist. Look for lifted, cracked, or missing shingles; damaged or displaced flashing at chimneys, skylights, and valleys; granule accumulation in gutters that signals accelerating shingle wear; and any visible daylight or discolouration in the attic. This is also the optimal window to book a professional assessment if you are considering a roof replacement — you will get contractor availability before the summer rush, accurate material pricing before potential mid-season cost increases, and enough time to complete work before the next heating season.
Summer (June–August): Peak installation season in Mississauga. Contractors are at maximum capacity, scheduling windows are compressed, and premium pricing may apply during July and August. If your project is not urgent, summer is the worst time to be entering the market for the first time. If you must proceed, have your materials specified and your contract written tightly — summer crews are moving fast, and the temptation to rush details like flashing work and final sealant application is real. Conversely, summer is an excellent time to get a roof inspection done on a roof that is not yet at end-of-life — you can plan and budget for a future replacement in the spring without competing for contractor time.
Fall (September–October): The second-best installation window in Mississauga. Temperatures remain within the acceptable range for asphalt shingle installation (shingles should not be installed below approximately 7°C, as they become brittle and the self-sealing strips do not activate properly), contractor availability improves as summer backlogs clear, and completing a replacement before winter eliminates the risk of going into freeze-thaw season with a compromised roof. Fall is also the best time to clean and inspect gutters and downspouts — blocked drainage is a primary contributor to ice damming and fascia rot through the winter months.
Frequently Asked Questions About Roofing in Mississauga
How long does a roof replacement take in Mississauga, and will I need to leave my home?
Most standard residential roof replacements in Mississauga — an average-sized detached home with a relatively straightforward pitch and minimal penetrations — are completed within one to two days by an experienced crew. Larger homes, complex multi-plane roofs, or projects involving structural deck repair can extend to three to five days. You do not need to vacate your home during installation, but expect significant noise throughout the workday, vibration that can affect items hanging on interior walls, and temporary loss of attic access. Ensure your contractor communicates a clear daily schedule, particularly regarding the window when your roof will be exposed between tear-off and new material installation — this should never be left open overnight or ahead of forecast precipitation.
Does my homeowner's insurance cover roof replacement in Ontario?
Ontario homeowner's insurance policies generally cover roof damage caused by sudden, insured perils — storm damage from wind or hail, damage from falling trees, and similar event-driven causes. They do not cover gradual deterioration, aging, or wear-and-tear, which is how most roof replacements in Mississauga are ultimately categorized. If your roof is damaged in a storm, contact your insurer promptly, document the damage with timestamped photos before any temporary repairs are made, and get a written assessment from a roofing contractor before accepting any settlement offer. Many Mississauga roofing contractors have experience working with insurance adjusters and can help ensure the scope of damage is accurately represented. Note that filing a claim for roof replacement on an aging roof that was already approaching end-of-life may result in a depreciated settlement rather than full replacement cost, depending on your policy terms.
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What is the difference between a roofing repair and a full replacement, and how do I know which I need?
The decision between repair and replacement in Mississauga largely depends on three factors: the age of the existing roof relative to its expected lifespan, the extent and location of the damage, and the condition of the surrounding material. As a general principle, if your asphalt shingle roof is under 15 years old and the damage is isolated — a handful of cracked or missing shingles, a single flashing failure — a targeted repair is usually cost-effective. If your roof is 20 years or older, if the damage covers more than 25–30% of the surface, or if granule loss is widespread (indicating advanced aging across the full roof), replacement typically offers better long-term value than repeated repairs. A credentialed Mississauga contractor should be able to give you an honest assessment with documentation. Be cautious of contractors who immediately recommend full replacement on a relatively young roof without providing a written condition assessment.
Are metal roofs worth the investment in Mississauga's climate?
For many Mississauga homeowners, yes — but the calculation requires looking beyond the installation price. Metal roofing systems installed by specialists like Taminka Metal Roofing or MROOF - Metal Roofing, both holding 5.0-star ratings in the local market, offer several meaningful advantages in Southern Ontario's climate. Metal sheds snow and ice more readily than granular asphalt, reducing ice dam formation. It is highly resistant to wind uplift — important during spring and fall storm events off Lake Ontario. High-quality metal roofing systems carry warranties of 40–50 years or more, compared to 25–30 years for premium asphalt. Some impact-resistant metal products may qualify for insurance premium reductions. The financial case for metal is strongest for homeowners planning to stay in their home long-term, for homes with complex roof geometries where asphalt shingle performance at valleys and penetrations is historically poor, and for anyone who has experienced repeated ice dam or storm damage issues with existing asphalt systems.
What permits are required for roofing work in Mississauga, and who is responsible for obtaining them?
In Mississauga, a building permit is generally not required for a like-for-like shingle replacement on an existing residential roof — replacing asphalt shingles with the same type of shingles does not constitute a change of use or a structural modification that triggers the Ontario Building Code permit requirement. However, permits may be required if you are changing roofing materials significantly (for example, adding metal roofing to a structure not originally designed for it), making structural repairs to the roof deck or framing, adding or enlarging skylights, or if your home is in a designated heritage area where exterior alterations require approval from the City of Mississauga. If permits are required for your specific project, your contractor is responsible for obtaining them before work begins — not you as the homeowner. Ask about permit requirements explicitly during your quoting process, and be cautious of any contractor who dismisses this question without a clear and specific answer.
