Waterproofing Cost Calculator
Estimates are based on real project data from 1,000+ completed waterproofing jobs across Toronto and the GTA.
How to Use the Waterproofing Cost Estimator
Select Service Type
Interior, Exterior or Add-on Services
Enter the depth of the leak
the larger the area, the more material and labour involved
Select Length of Affected Location
Minimum 20ft for the estimate
Use Service Type for Multiple Selections
Select multiple services like Exterior and Interior Waterproofing, Sump Pump, Backwater Valve, etc.
Waterproofing Cost Calculator
Add one or more services to build your estimate. For an exact quote, please contact our team.
© 2026 Canada Waterproofers. All rights reserved. Unauthorized reproduction of this tool is prohibited.
Why Trust Canada Waterproofers for Your Cost Estimate?
Canada Waterproofers has been protecting GTA homes since 1998 — that's over 25 years of hands-on experience with basements across Toronto, Mississauga, Brampton, Oakville, Milton, Burlington, and Hamilton. The cost ranges in this calculator are based on actual completed projects, not industry averages from generic sources.
Our estimators are trained waterproofing specialists, not salespeople. When you request a free on-site assessment, you'll receive an honest, itemized quote with no pressure and no surprises — backed by our Price Match Guarantee for comparable licensed work.
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✅ HomeStars Best of the Best Winner
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✅ A+ Rating with the Better Business Bureau
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✅ Fully licensed, WSIB-covered, and insured
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✅ Compliant with Ontario Building Code Article 9.13.3.1
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✅ 1,000+ verified projects across the GTHA
Homeowner's Toolkit
Is Your Basement at Risk?
Answer 7 quick questions to get your free Basement Health Score and find out what — if anything — needs attention.
Interior vs. Exterior Waterproofing
Answer a few questions about your situation and we'll recommend the best waterproofing approach for your home.
Spring Flood Risk Checker
Spring is the highest-risk season for basement flooding in the GTA. Find out how prepared your home is before the thaw hits.
Water Damage Cost Calculator
See what a single basement flood or ongoing water damage could cost you — versus the price of waterproofing it today.
Recent Project Highlights See how we've helped GTA homeowners solve their basement water problems with our professional waterproofing solutions.
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