Waterproofing · Cambridge, Ontario
How Much Does Basement Waterproofing Cost in Cambridge? (2026 Guide)
Waterproofing cost depends on whether the fix is interior or exterior, how much of the foundation is involved, and what's causing the water. Here's the breakdown.
What affects the cost
- Interior (perimeter drain / sump) vs. exterior (excavation) approach
- Linear footage of foundation treated
- Sump pump and backup requirements
- Severity and source of the water intrusion
- Any cracks or foundation repairs needed first
Typical price range in Cambridge
Interior waterproofing in Cambridge often runs $3,000–$10,000 (roughly $60–$100 per linear foot), while full exterior excavation lands around $15,000–$30,000. A sump pump alone is typically $1,000–$2,500.
Interior systems manage water that gets in; exterior systems stop it at the wall. We'll recommend the lightest fix that actually solves your specific problem.
Frequently asked questions
Interior or exterior — which do I need?
It depends on the source. Minor seepage often suits an interior system; persistent exterior pressure may need excavation. We assess before recommending.
Do you install sump pumps and backups?
Yes, including battery backups so the system keeps working during a power outage.
Is a wet basement covered by warranty?
We back our waterproofing work with a written warranty — we'll go over the terms up front.
Get a Free Waterproofing Quote
Ranges are general estimates for the Cambridge area and vary by project. Contact us for a free, no-obligation quote specific to your job.