Landscape Retaining Walls & Natural Stone Services

Colossal Contracting has provided professional landscaping, retaining wall & natural stone services in the Greater Toronto Area for over 15 years.  We work alongside homeowners, contractors, site planners, and landscape designers & architects to get your retaining walls, plants trees and grass looking there best in order to enhance your outdoor space.  We can build your retaining walls using high quality stone from trusted quarries both local and none local. We can take on retaining wall projects that are intended to be structural, decorative or both.