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How much does a new roof cost in Ottawa, ON?

In September 2026, replacing the roof on a typical 2,000 sq ft two-storey home in Ottawa, ON with architectural asphalt shingles costs $13,935 to $18,473 before tax, or about $810 per square (100 sq ft) installed. That includes tearing off one layer, disposal, synthetic underlayment, ice and water shield at the eaves, flashing, ridge venting and labour. Metal roofing runs two and a half to three times as much.

Ottawa prices run 6% above the Canadian typical figure of $15,272. The regional index of 1.06 blends the Job Bank median wage for roofers in the region, $30 an hour, with the local market premium published by Canadian cost guides.

Updated 2026-09-02 · Reference ranges, before tax · 10 cited sources

Roofing cost in Ottawa by scope

Ottawa, ON, September 2026, per square (100 sq ft)
ScopeLowTypicalHigh
1,500 sq ft bungalow, 3-tab asphalt$9,463$11,004$12,545
1,500 sq ft bungalow, architectural asphalt$10,105$11,750$13,395
2,000 sq ft two-storey, architectural asphalt$13,935$16,204$18,473
2,000 sq ft, architectural, two layers removed + 6 sheets decking$16,873$19,620$22,367
2,000 sq ft, premium / designer asphalt$16,196$18,832$21,468
2,000 sq ft, steep pitch (8/12+), architectural$15,488$18,009$20,530
2,500 sq ft two-storey, architectural asphalt$17,418$20,254$23,090
2,000 sq ft, standing seam metal$35,669$41,475$47,282

Permits in Ottawa

No permit for a like-for-like asphalt re-roof in most Canadian cities. From the city's published schedule.

Labour in Ottawa

Job Bank reports a median wage of $30 an hour for roofers in this region, against a Canadian median of $31. Contractor billing rates run roughly two to three times the wage once overhead, insurance and profit are added.

What a roof quote in Ottawa should include

  • Tear-off of the existing layer(s) and disposal, including the bin
  • Synthetic underlayment over the whole deck and ice and water shield at eaves and valleys
  • Starter strip, ridge cap and the shingle brand and line by name
  • New flashing at walls, chimneys and pipes, and ridge or box vents
  • A per-sheet price for replacing rotten decking
  • Workmanship warranty length, separate from the manufacturer warranty
  • Cleanup and a magnetic nail sweep

What drives the price

  • Roof area in squares (100 sq ft), the single biggest factor.
  • Shingle grade: 3-tab, architectural, or premium impact-rated lines. Metal and cedar cost 2 to 3 times more.
  • Pitch and storeys. Steep roofs need staging and slow the crew by 30 to 50 percent.
  • Layers to remove. A second layer of old shingles adds tear-off and disposal.
  • Decking replacement, usually priced per sheet and only known once the old roof is off.
  • Local labour rates. Roofer wages range from about $25 an hour in Atlantic Canada to $37 in Québec.

Frequently asked questions about roofing in Ottawa

How much does a new roof cost per square foot in Ottawa, ON?
About $6.97 to $9.24 per square foot installed for architectural asphalt in Ottawa, ON, which is $697 to $924 per roofing square. Published Canadian guides put the national range at $5 to $9 per square foot.
Is a $20,000 roof quote too high?
For a 2,000 sq ft architectural asphalt roof in Ottawa, ON, the expected range is $13,935 to $18,473. A $20,000 quote is above that range. Check what it includes: two layers of tear-off, decking, a steep pitch or premium shingles each add real cost.
Do I need a permit to replace my roof?
Not for a like-for-like asphalt re-roof in Toronto, Vancouver, Calgary, Ottawa, Edmonton, Halifax or Winnipeg. Montréal boroughs generally require one at $9.80 per $1,000 of work, minimum $167.40. Changing material or doing structural work needs a permit everywhere.
How long does a roof replacement take?
One to three days for a typical asphalt roof with a crew of four to six. Steep, complex or metal roofs take longer.
Should I get more than one roofing quote?
Yes. Quotes for the same roof commonly differ by 30 to 60 percent. Three quotes, normalized to the same shingle grade and scope, show you which price is the outlier.

Sources

Ranges are reference estimates for typical scope in Ottawa, ON, not bids, and have not yet been calibrated against observed quotes in Ottawa. Methodology.