Professional foundations & underpinning across the GTA.
Poseidon Concrete builds, repairs, and underpins foundations across the GTA. New construction foundations, underpinning for added depth, basement lowering, and walkout construction — all engineered to Ontario Building Code standards.
Our experienced crew brings the same professionalism and accountability to every project — residential or commercial. One contractor, one call, one invoice. No subcontractors, no coordination headaches.
New Construction Foundations
Poured concrete foundations for new builds, additions, and garden suites. Formed, reinforced, waterproofed.
Underpinning
Extend existing foundation depth for added basement height. Bench footing and full underpinning methods.
Basement Lowering
Lower your basement floor for full-height living space. Proper drainage and waterproofing included.
Walkout Construction
Basement walkout exits with proper structural support, waterproofing, and grading.
