Cost of Retaining Wall in Ontario in 2026 | Price Calculator
The cost of a retaining wall in Ontario ranges from $25 to $65 per square foot installed in 2026. A standard residential retaining wall — 3 feet high and 30 feet long — typically costs $3,500 to $8,000. Larger projects like a natural stone retaining wall 4 feet high and 50 feet long run $8,000 […]





















