Basement underpinning cost in Toronto is a significant investment, often required to increase ceiling height or strengthen the foundation. Below is a clear breakdown of basement underpinning costs in 2025.
1.Size of the Basement
The size of your basement directly impacts the cost of underpinning due to increased material and labor requirements.
- Cost per square foot: $80–$140
2. Structural Reinforcements
Older homes may need additional structural support, such as beams or posts, to ensure safety and compliance.
- Estimated cost: $3,000–$30,000 (based on condition and engineering requirements)
3. Permits and Engineering Drawings
Permits are mandatory for underpinning projects in Toronto. Professional engineering plans are also required to meet city standards.
- Estimated cost: $3,000–$8,000
4. Utilities Relocation
During underpinning, utility systems like plumbing, electrical, or HVAC may need to be relocated, adding to the overall expense.
- Cost per utility rough-in: $9,000+
Estimated Basement Underpinning Cost Breakdown
The total cost of underpinning varies based on the basement’s size and the complexity of the project:
- Small Basements (Under 500 sq. ft.): $55,000–$85,000
- Medium Basements (500–1,000 sq. ft.): $75,000–$93,000
- Large Basements (1,000+ sq. ft.): $93,000+
Plan Your Basement Underpinning
Understanding these costs helps you prepare for the process. Stellar Work Construction provides licensed and insured underpinning services to ensure your project is safe, efficient, and up to code.
Book a free consultation today to discuss your 2025 basement underpinning project!
