How Much Does It Cost to Waterproof a Basement

The cost to waterproof a basement in Canada typically ranges from $2,500 to $15,000 or more, depending on several key factors.
Interior Basement Waterproofing
Price Range: $75–$150 per linear foot
What We Do: We trench inside your basement, install high-capacity weeping tile and a sump pit, then seal walls with a waterproof membrane.