Toronto Roof Replacement Cost in 2026: What You Should Know Before Getting Quotes

Start with this: roofing quotes in Toronto can be $10,000 apart for the same house, and both contractors might be right about what they're charging. Usually it's scope that explains the difference. A full tear-off or a shingle-over. What they found under the old material. Whether ventilation was included or left off the line items.

What People Are Paying

Smaller semis and bungalows, anything under 1,500 sq ft or so, tend to come in between $8,000 and $14,000 for a complete job. The majority of what we see in Toronto proper, your average 1,800 to 2,500 sq ft detached, lands somewhere in the $12,000 to $22,000 range. Homes get more expensive to roof when the footprint grows and when there's complexity in the roofline. Multiple slopes, dormers, valleys. Those can run $30,000 and up without much trouble.

If someone's quoting you $6,500 for a job that sounds like everything above, ask whether it's a full tear-off.

All of these numbers assume a complete tear-off. A quote that's a few thousand cheaper might be based on a shingle-over. More on that below.

The Per Square Question

Here's something that trips up homeowners shopping for roof replacement: contractors don't quote by the square foot. They price in squares, where one square equals 100 sq ft. A mid-sized Toronto detached typically has somewhere between 18 and 32 of them. So when a contractor says "28 squares of laminate," that's the unit they're working in.

As for what those squares cost in 2026, material is the main variable. Basic three-tab asphalt is around $450-$600 per square installed, but most contractors will steer you away from it. The longevity isn't there. Architectural (laminate) shingles have become the default for most Toronto jobs, landing in the $600-$900 per square range, and the difference in lifespan is real. If you're after premium designer asphalt, you're more in the $900-$1,400 ballpark per square. Metal's a different conversation. Standing-seam runs $1,200 per square and up, and stone-coated metal can push past $2,000. Very different from shingles and worth a separate quote.

What Makes Two Quotes So Different

Roof Pitch and Complexity

A simple bungalow roof and a century-home roof with six valleys and a steep pitch are completely different jobs, even if the homes are the same size. Steep pitches require safety harnesses and slow the work down significantly. More angles mean more material waste and more flashing to seal. If you've got a Victorian semi in Leslieville or an older home in the Annex with multiple peaks, you're paying more per square than someone with a flat-pitch Ranch in Scarborough. That's just the reality of Toronto's housing stock.

Full Tear-Off vs. Shingle-Over

This is probably the most common source of quote confusion. A full tear-off strips everything down to the wood deck so you can actually inspect what's underneath. For most pre-1990s Toronto homes, that's especially important because rotted sheathing is common and easy to miss otherwise.

Shingle-overs can be done in some cases, but most manufacturers won't warranty a roof installed that way, and you're shortening the lifespan of the new material. A few contractors offer it as a way to lower the upfront number. Know what you're agreeing to.

What's Under the Old Shingles

Peel back the old roof and you find out what's been going on underneath it. The plywood decking might be fine. It might have soft spots from an old slow leak, or sections that absorbed enough moisture over the years to need replacing. That's $80-$120 per sheet when it comes up. Some jobs need two sheets. Others need a lot more. You don't know until you're up there.

Ice and Water Shield

If you've ever had a leak from an ice dam, you know how expensive that cleanup gets. Proper ice-and-water shield installed at the eaves, in the valleys, and around chimneys and skylights adds $200 to $500 to most Toronto jobs. It's not optional in this climate.

Ventilation, Flashings, and City Permits

We run into this constantly: a roof that should have lasted 25 years starts failing at 12, and ventilation is usually part of why. When heat and moisture can't move through the attic properly, it works away at the roof from underneath. Sorting out airflow adds $300-$1,200 depending on what's already installed. Chimneys and dormers usually need new flashing at the same time, which is another $400-$1,500. Permit fees, if applicable, are typically $200-$600 in Toronto.

Reading a Quote

A quote that just says "architectural shingles - $15,400" doesn't tell you much. The version worth signing specifies the shingle brand and model, the underlayment type, ice-and-water shield placement, drip edge, flashings, ventilation plan, disposal, warranty, and permits. Without that detail, you're comparing round numbers with no idea whether the scopes of work actually match.

A few things that tend to surface mid-job and catch people off guard: skylights often need resealing when you're already up there ($150-$400 each), chimney crown work when it's needed ($300-$1,500), and if you have solar panels, they need to come off and go back on ($400-$2,000 depending on the system).

When to Call and How to Pay

Late fall and winter are genuinely the better time to lock in Toronto roofing quotes. Contractors have more availability and there's less pressure on scheduling. Spring and summer are peak season and it shows in lead times.

Most established Toronto roofers offer financing options, from 12-month same-as-cash to longer-term monthly plans. And if your roof was damaged by wind, hail, or a falling tree, call your home insurer before you spend anything. Many Toronto homeowners are surprised by what their policy actually covers.

About Infinity Gutters & Exteriors

We've been doing roofs across Toronto and the GTA since 2014. Every quote we give is itemized, so you know exactly what shingles are going on, where the ice-and-water shield coverage lands, what we're doing about the flashings. We also handle gutters, soffit, and fascia, so if those need work at the same time, one crew takes care of it.

Give us a call at (647) 467-2990 or check out infinitygutters.ca.