ABOUT JOHN

As a full service general contractor with specialized crews, we are able to offer following services: Accessibility conversion and designs, GAF Master Elite Roofing, Certified VELUX Skylight and Sun Tunnel installation, EnergyStar 2020 windows & doors, siding, environmentally friendly attic insulation, soffit/fascia/trough, custom bathroom renovations, and project management.

Since establishing in 1995, we have focused on a customer-first business model; over 90% of our revenue is from repeat and referral customers.

IAs of the fall of 2025 John McLellan Contracting has received over 1,000 business awards across numerous categories from roofing to siding to general home renovations and more. We’ve been honoured with multiple Business Excellence Awards from the Ajax-Pickering Board of Trade, as well as the City of Pickering’s Access Award for Disability Issues twice. In the spirit of giving back to the community, we’ve also completed our fourth townhouse roofing project for Habitat for Humanity in Oshawa.

For all your home repair/ renovation needs, please book an appointment with one of our qualified customer representatives.

John McLellan is a member of the city of Pickering Accessibility Advisory Committee representing the members of the Ajax-Pickering Board of Trade.

Our head office is located at Whites Road & Highway 7. We service all of the Durham regions and into Scarborough, Markham, and Uxbridge.