Get the best Residential Roofing in Oshawa at Durham Region Roofing Ltd. , based in Southwood, Ajax. We are a fully licensed and insured roofing company with over 26 years of experience that is dedicated to providing absolute quality service to the Durham community, including Oshawa, Courtice, Whitby, Ajax, Pickering, Port Perry, Uxbridge, and Bowmanville. Our company carefully selects employees that ensure that every measure is taken to protect the homeowner's property and to follow quality and safety measures at all times and at any cost. We specialize in residential roofing, shingled roofs, eaves, roof repairs, skylights, and more. Workmanship is inspected at various checkpoints and comes with a 10-year guarantee. A+ BBB rating. WSIB and liability insurance for $5 million.