Accessibilty Renovations  -  Roofing Contractors - Pitched & Flat  -  Windows  -  Patio Doors

John McLellan Contracting is a full-service General Contractor specializing in the exterior building envelope. We are a GAF Master Elite certified roofing company, With Velux Certification for skylight installation and multi award winning contractor.

We are security cleared with the Federal Government for “Reliability Status” and carry 5 Million liability insurance. We specialize in accessibility renovations and are Schluter trained and certified to fully waterproof your accessible bathroom.

We also offer foundation waterproofing, masonry repairs, attic insulation services, vinyl siding installation, structural work, window and patio door installation.