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Ontario Certified RoofingRoofer in Newmarket, ON

Ontario Certified Roofing is a roofer at 18580 Dufferin St, Newmarket, ON L3Y 4V9, rated 4.6 from 35 Google reviews. Open 7 days a week.

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Call (905) 955-0099Website ↗

Key facts

Key facts about Ontario Certified Roofing
Address18580 Dufferin St, Newmarket, ON L3Y 4V9Get directions
Phone(905) 955-0099
Websiteontariocertifiedroofing.ca
HoursMonday to Sunday: 7 AM – 7 PM
Google rating4.6 from 35 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Roofingmain tradeGoogle main category

Service area

Serves Newmarket and 11 towns within 64 km: East Gwillimbury, Aurora, King, Keswick, Tottenham, Richmond Hill, Vaughan, Innisfil, Alliston, Concord and Markham.

Based in Newmarket, ONView on map

Opening hours

Opening hours for Ontario Certified Roofing
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
Saturday7 AM – 7 PMevening
Sunday7 AM – 7 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical roofing prices

Typical roofing prices
JobLowTypicalHigh
Roof replacementPer project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$10,540CA$14,050CA$19,680
Roof repairPer repair: typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$560CA$1,650CA$2,770

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

4.6from 35 Google reviews

Hired Ontario Certified Roofing? Write a review

Questions about Ontario Certified Roofing

What are Ontario Certified Roofing’s hours?

Ontario Certified Roofing is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM, and on Sundays 7 AM to 7 PM. Hours come from the business listing; holiday hours may differ.

What areas does Ontario Certified Roofing serve?

Serves Newmarket and 11 towns within 64 km: East Gwillimbury, Aurora, King, Keswick, Tottenham, Richmond Hill, Vaughan, Innisfil, Alliston, Concord and Markham. The list is based on the business's location and the usual service radius for roofing. Confirm your address is covered when you call.

What do Google reviews say about Ontario Certified Roofing?

Ontario Certified Roofing has a rating of 4.6 from 35 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Ontario Certified Roofing?

Call Ontario Certified Roofing on (905) 955-0099. The business is at 18580 Dufferin St, Newmarket, ON L3Y 4V9. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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