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.

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ESTIMATE
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Date: ' + getTodayDate() + '
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canadawaterproofers.com
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Tel: 416-333-LEAK
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' + '
' + '' + '' + '' + '' + '' + '' + '' + rows + '' + '' + '' + '' + '' + '' + '' + '
ServiceQty / FtCost (CAD)
Grand Total (Estimated)' + totalStr + '
' + '
' + '⚠ Important – Estimate Only
' + 'This document is a preliminary estimate generated by the Canada Waterproofers online calculator. ' + 'It is provided for budgeting purposes only and does not constitute a binding quote or contract. ' + 'All prices are in Canadian dollars and exclude HST. ' + 'Final pricing must be confirmed by a Canada Waterproofers representative following an on-site inspection. ' + 'Actual costs may vary based on site conditions, accessibility, soil type, and scope of work.' + '
' + '
' + 'Ready for your exact quote?
' + 'Contact Canada Waterproofers to schedule a free on-site assessment.
' + '📞 416-333-LEAK  |  ' + '🌐 canadawaterproofers.com/contact' + '
' + '' + '
' + '' + '
' + ''; var win = window.open('', '_blank'); win.document.write(html); win.document.close(); win.focus(); } serviceEl.addEventListener('change', updateUI); document.querySelectorAll('input[name="cw-finished"], input[name="cw-underpinned"]') .forEach(function (el) { el.addEventListener('change', updateInteriorRateDisplay); }); addBtn.addEventListener('click', function (e) { e.preventDefault(); addItem(); }); tbody.addEventListener('click', function (e) { var btn = e.target.closest('button[data-id]'); if (btn) { var id = Number(btn.getAttribute('data-id')); items = items.filter(function (i) { return i.id !== id; }); renderTable(); } }); clearBtn.addEventListener('click', function () { items = []; renderTable(); }); printBtn.addEventListener('click', function (e) { e.preventDefault(); if (items.length === 0) { alert('Please add at least one service to your estimate before printing.'); return; } printEstimate(); }); updateUI(); })();

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.

  • ✅ HomeStars Best of the Best Winner

  • ✅ A+ Rating with the Better Business Bureau

  • ✅ Fully licensed, WSIB-covered, and insured

  • ✅ Compliant with Ontario Building Code Article 9.13.3.1

  • ✅ 1,000+ verified projects across the GTHA

Homeowner's Toolkit

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.

' + '
' + '' + '
' + '
ESTIMATE
' + '
Date: ' + getTodayDate() + '
' + '
canadawaterproofers.com
' + '
Tel: 416-333-LEAK
' + '
' + '
' + '' + '' + '' + '' + '' + '' + '' + rows + '' + '' + '' + '' + '' + '' + '' + '
ServiceQty / FtCost (CAD)
Grand Total (Estimated)' + totalStr + '
' + '
' + '⚠ Important – Estimate Only
' + 'This document is a preliminary estimate generated by the Canada Waterproofers online calculator. ' + 'It is provided for budgeting purposes only and does not constitute a binding quote or contract. ' + 'All prices are in Canadian dollars and exclude HST. ' + 'Final pricing must be confirmed by a Canada Waterproofers representative following an on-site inspection. ' + 'Actual costs may vary based on site conditions, accessibility, soil type, and scope of work.' + '
' + '
' + 'Ready for your exact quote?
' + 'Contact Canada Waterproofers to schedule a free on-site assessment.
' + '📞 416-333-LEAK  |  ' + '🌐 canadawaterproofers.com/contact' + '
' + '' + '
' + '' + '
' + ''; var win = window.open('', '_blank'); win.document.write(html); win.document.close(); win.focus(); } serviceEl.addEventListener('change', updateUI); document.querySelectorAll('input[name="cw-finished"], input[name="cw-underpinned"]') .forEach(function (el) { el.addEventListener('change', updateInteriorRateDisplay); }); addBtn.addEventListener('click', function (e) { e.preventDefault(); addItem(); }); tbody.addEventListener('click', function (e) { var btn = e.target.closest('button[data-id]'); if (btn) { var id = Number(btn.getAttribute('data-id')); items = items.filter(function (i) { return i.id !== id; }); renderTable(); } }); clearBtn.addEventListener('click', function () { items = []; renderTable(); }); printBtn.addEventListener('click', function (e) { e.preventDefault(); if (items.length === 0) { alert('Please add at least one service to your estimate before printing.'); return; } printEstimate(); }); updateUI(); })();
Canada Waterproofers

Is Your Basement at Risk?

Answer 7 quick questions to get your free Basement Health Score and find out what — if anything — needs attention.

⏱ Takes less than 2 minutes  |  🔒 No personal info required to see your results
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Interior vs. Exterior Waterproofing

Answer a few questions about your situation and we'll recommend the best waterproofing approach for your home.

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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.

🌨️ Based on local GTA spring conditions including snowmelt, freeze-thaw cycles, and seasonal rainfall patterns.
Canada Waterproofers

Water Damage Cost Calculator

See what a single basement flood or ongoing water damage could cost you — versus the price of waterproofing it today.

💧 The average unaddressed basement water damage claim in Ontario costs $43,000+ — often only partially covered by insurance.
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Recent GTA Project Highlights See how we've helped GTA homeowners solve their basement water problems with our professional waterproofing solutions.

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