Toronto's Basement Underpinning Specialists
Rock Bottom Underpinning is Toronto’s dedicated basement lowering specialist. We transform low, underutilized basements into full-height, structurally sound living spaces increasing your property value, usable square footage, and income potential.
15+
years of experience
1,000+ Projects
Successfully Completed
10-Year Warranty
Workmanship Guarantee
Fully Licensed & Insured
Professional & Code Compliant
Who We Are
At RockBottom Underpinning, we specialize in transforming older homes by creating safe, full-height basements through expert structural underpinning and foundation solutions. Serving homeowners throughout Toronto and the GTA, we help unlock the full potential of your property by increasing usable living space, strengthening existing foundations, and preparing homes for legal secondary suites and modern renovations.
With decades of combined industry experience, our team delivers engineered solutions with precision, professionalism, and an unwavering commitment to quality. From initial consultation and permits to excavation, structural reinforcement, waterproofing, and final concrete work, we manage every stage of the project with safety, transparency, and attention to detail.
Whether you’re expanding your family’s living space, increasing your home’s value, or creating a rental suite, RockBottom Underpinning provides the expertise and craftsmanship to build a stronger foundation for your future.
On Site — Toronto Basement Lowering Project
Our Services
Schedule a no-obligation assessment today! We’ll evaluate your foundation, discuss your goals, and provide a clear understanding of what’s possible.
Or call us directly
416-546-3558