How Much Does Basement Waterproofing Cost in 2026?

Waterproofing basement foundation with drainage and moisture barrier system installation

Basement waterproofing costs $70 to $180 per linear foot for interior systems, and $100 to $350 for exterior. Most homeowners pay $7,000 to $14,000 for a full project in 2026. Several factors decide where your project lands in that range. The age of your home, the soil against the foundation, and the severity of the […]