Waterproofing Cost Calculator!
Final Quote depends on Exact site inspection, accessibility , rebates and chosen system. Some homes qualify for rebates up to $6800
Get Instant Estimates for Basement Waterproofing, Sump Pump Installation, and Backwater Valves in Mississauga. Rebates up to $6,800 available.
With rising flood risk across Peel Region, more Mississauga homeowners are experiencing basement leaks, sewer backups, and water seepage through foundations. Whether you’re in Erin Mills, Cooksville, Malton, or Port Credit, protecting your home with professional basement waterproofing is no longer optional — it’s essential.
At Waterproofing4Less, we combine 20+ years of experience with local rebate knowledge to offer waterproofing systems that work — and help you claim your Peel Region flood prevention rebates worth up to $6,800.
To know more about Rebates, kindly visit our Rebates page.
Rebate: Homes in FDC zones can qualify for up to $6,000 rebate through the Peel Foundation Drain Collector (FDC) Subsidy Program
Explore Sump Pump Installations →
Rebate: Up to $1,500 under Mississauga's Sanitary Backwater Valve Subsidy
View Backwater Valve Services →
Two major programs are available:
As a licensed contractor, Waterproofing4Less manages your rebate application from permit to payout.
In early 2024, a homeowner in Meadowvale reported repeated basement leaks. Our inspection found wall cracks and a failing drain connection.
Work Completed:
Rebate Received: $6,800
Out-of-pocket cost: $3,900
Basement stayed dry through 2 heavy rain events
We're Mississauga's rebate-approved contractor for a reason:
Trusted. Transparent. Local.
Call 416-333-2212 or
Interior waterproofing costs $75–$150/ft. Exterior systems range from $100–$400/ft depending on access and soil type.
Up to $6,800 between the sump pump (FDC) and backwater valve programs.
Ward 10 is the core FDC zone, but some other areas may be eligible. We check your address for free.
Yes — if you install both a sump pump and a backwater valve with permits and inspections.
Typically 4–8 weeks after inspection approval and document submission.
Not always, but it's highly recommended — especially if your home is in a high water table zone.
Only if proper permits were pulled and the final inspection passed. We guide you to avoid missing deadlines.
Interior systems are generally more cost-effective and less disruptive.
Upgrades or replacements may still be eligible for a portion of the rebate.
Yes — or you may need to sign a waiver. It’s a condition of the rebate program.
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Daniel Brooks
Incredible customer service, very helpful explaining the project and what is involved. Super responsive, even after the project was over with a few follow up questions. Would call them immediately if I ever needed more water proofing services!
Olivia Monroe
Carl and his team did a fantastic job, waterproofing a small section of our foundation, installing a proper drain in a window well and putting everything back together, looking snazzy.
Michael Landry
Waterproofing4Less are excellent in their trade. I would highly recommend them if you need waterproofing.
Rachel Bennett
Super professional, fast, clean, and they know exactly what they’re doing. Extremely seamless service!! Thankful to this team
Daniel Brooks
Valentine of Waterproofing4Less provided excellent service and good value for a faucet replacement and a further faucet repair.
Emily Carson
Carl and the crew at Waterproofing4Less are the best option in southern Ontario. Carl is honest and professional while delivering a high quality of work on schedule.
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