Top Waterproofing Contractors in Ontario
Waterproofing contractors seal basements and foundations and install drainage, sump pumps, and weeping tile — critical in Ontario where spring melt and heavy rain cause basement leaks. Interior and exterior systems address both existing leaks and prevention.
500+
Waterproofing Contractors Available
4.8★
Avg. Rating
< 4 hrs
First Bid Time
$0
To Post a Job
Why Hire Waterproofing Contractors Through Biddaro in Ontario?
We make it simple, safe, and competitive to hire the right professional.
Licensed Professionals
Every waterproofing contractor in Ontario is license-verified with work history reviewed before they can bid on your job.
Competitive Bidding
Post once and receive multiple bids from waterproofing contractors in Ontario. Compare pricing, experience, and ratings to choose the best.
Secure Escrow Payments
Your payment is held safely in escrow and released only when you approve completed work — zero risk of being scammed.
How to Hire a Waterproofing Contractor in Ontario
Post Your Job
Describe your waterproofing project in Ontario — takes under 2 minutes. Add photos, budget, and timeline.
Receive Bids
Verified waterproofing contractors in Ontario review your job and send their best quotes within hours.
Hire & Pay Safely
Choose your preferred contractor, sign the contract on Biddaro, and pay securely via escrow.
Top Waterproofing Contractors in Ontario
Verified professionals ready to bid on your project
Maple Ridge Contractors
True North Builders
Dominion Construction Group
Waterproofing Services Available in Ontario
Waterproofing Contractors by City in Ontario
Find waterproofing contractors in specific cities across Ontario.
Other Contractors Available in Ontario
Waterproofing Contractors in Other States
Frequently Asked Questions
How much does basement waterproofing cost in Ontario?
In Ontario, interior waterproofing costs C$3,000–8,000, and exterior excavation waterproofing C$10,000–25,000 depending on foundation size and access.
Why do basements leak in Ontario?
Spring snow melt, heavy rain, poor grading, and failed weeping tile are common causes in Ontario. A waterproofer can diagnose whether interior or exterior repair is needed.
Interior or exterior waterproofing in Ontario?
Interior systems manage water that enters and are cheaper; exterior systems stop water at the foundation and are more thorough but costlier. The right choice depends on your home in Ontario.
How do I find a waterproofing contractor in Ontario?
Use Biddaro to find verified waterproofing contractors in Ontario. Check warranties, read reviews, and compare quotes.
Ready to Hire a Waterproofing Contractor in Ontario?
Post your job for free and receive bids from verified professionals in Ontario within hours.
No commission charged to job posters • Secure escrow included