Foundation Repair, Waterproofing & Window Wells Across Ontario
With over 40 years of experience, we will quickly assess your foundation or water control issue and provide you with a plan of action to remedy the issue. Our licensed and insured staff will get the work done efficiently.
Waterproofing Needs? We Can Help.
Call today for a free and thorough assessment of your home or commercial business foundation.
Call: (647) 724-5090Get Your Free Estimate
Foundation Repair and Waterproofing
Foundation repair and waterproofing services across Ontario. We are the leader in basement and crawl space solutions for residents and commercial businesses throughout Southern Ontario.
Exterior Basement Waterproofing
We fix foundation cracks, leaks, sagging, and bowing, quickly and affordably. We have vast experience in repairing a wide range of foundation problems using best practice techniques.
Addressing problems before they become a larger issue will save you thousands of dollars and a lot of headaches – all while keeping you safe in your home. If you think you may have issues with your foundation or crawl space, do not hesitate to have it inspected by our team.
The good news is that very often the foundations we inspect only need minor crack treatment that is low cost and will alleviate basement leaking and additional damage.
Experienced Assessment
Being in the foundation repair business for over 40 years, we can accurately identify your foundation or water control issue.
Best Practice Approach
We ensure your issue is treated with a long term solution in mind, using proven techniques and quality materials.
Dependability
We pride ourselves in getting your home back to normal as quickly as possible so you can get back to your life.
Fair Pricing
We will provide you with clear, written estimates for your home solution while providing fair, open pricing with no hidden fees.
Our Foundation Services
We provide the following foundation services to residential homes and commercial businesses throughout parts of Southern Ontario, including Toronto, Mississauga, Ottawa, Hamilton, London, Kitchener, Waterloo, Guelph, Cambridge, Barrie, and many more areas:
Cracked Foundation Repair
We repair cracks in your basement caused by settling and bowing. Most cracks can be fixed without tearing down the entire foundation and starting from new. Expert repair using proven techniques and high-quality materials.
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Basement Waterproofing
There are many factors that can lead to wet basements. They can include foundation cracks to poor yard drainage. Comprehensive waterproofing solutions to keep your basement dry year-round. Interior and exterior options available.
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Window Wells
We can inspect, repair and install window wells in your basement. Add natural light or an emergency exit to your space. Professional installation, repair, and inspection services to improve drainage and safety.
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Commercial Foundations
Whether it be a commercial business, restaurant, municipal or government building, we provide many foundation repair services. Specialized services with minimal disruption and maximum results.
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Masonry Services
In addition to foundations, we provide additional residential and commercial masonry services, including concrete porches, basement walkouts, and window well installation. Quality craftsmanship guaranteed.
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Basement Stabilization
We stabilize bowing basement walls and keep your foundation structure safe. Prevent further damage with professional basement wall stabilization using carbon fiber, steel beams, and wall anchors for lasting results.
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Crawl Space Repair
A problematic crawl space can be a major hazard for any home. We can repair your crawl space with comprehensive solutions including encapsulation, structural repairs, and moisture control to protect your home's foundation.
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Sump Pump Installation, Maintenance & Repair
A perfectly functioning sump pump can keep your basement dry and potentially save you thousands in damages. Installation, maintenance, and repair of sump pump systems with battery backup options available for continuous protection.
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Foundation Inspections
We deliver thorough on-site assessments to get to the root of the problem and determine the right solutions. Detailed reports with photos and recommended solutions to identify issues early.
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Frost Adhesion
Frost adhesion is when frost (via the dirt) sticks to the concrete foundation and expands, severing the foundation horizontally below grade (grass level). We address frost-related foundation issues that can cause severe structural damage with specialized techniques for Ontario's harsh winters.
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Wall & Footing Rebuilds
Complete or partial rebuilding of damaged foundation walls and footings. Structural engineering consultation included.
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Foundation Restoration
Complete restoration services to return your foundation to optimal condition. Fast, effective, and dependable solutions.
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How to Tell if Your Foundation or Brick Work is Damaged
Think you may have a cracked or bowing foundation or crawl space? Sometimes identifying foundation problems are impossible with the naked eye.
If you don't see obvious cracking or bowing, the following are signs of foundation issues that require assistance from licensed and insured contractors:
Interior Signs
- • Cracks in drywall
- • Doors that stick
- • Uneven floors
- • Plumbing leaks
- • Popped nails
- • Windows out of square
- • Gaps at tops and bottoms of wall
Exterior Signs
- • Cracks in bricks and masonry
- • Gapping around chimney
- • Tipping chimney
- • Displaced moldings
- • Misaligned doors and windows
- • Cracks in floors
Free Foundation Assessment - Call Today!
We are licensed and insured to deliver the following residential and commercial foundation services:
- • Basement wall crack repair
- • Basement leak repair
- • Basement waterproofing
- • Sump pump installation and repair
- • Commercial foundation repair
- • Window well installation
- • Sagging, heaving, and uneven floor repair
- • Floor stabilization
What Our Clients Say
Don't just take our word for it. Read what homeowners across Ontario say about our foundation repair services.
"We had a serious crack in our foundation that was leaking water every time it rained. Ontario Foundations fixed it quickly and professionally. The crew was polite and left everything clean. Highly recommend!"
"I was worried about the cost of stabilizing our bowing basement wall. Their team explained everything clearly and gave a very fair price compared to other quotes. The work is solid and I feel safe in my home again."
"Excellent service from start to finish. The office staff was helpful with scheduling, and the technicians were knowledgeable. They even fixed a small issue with our window well while they were here."
Why Choose Ontario Foundations?
We're committed to providing the highest quality foundation repair and waterproofing services across Ontario. Here's what sets us apart from the competition.
Licensed & Insured
Full licensing and comprehensive insurance coverage protect you and your property throughout every project.
40+ Years Experience
Over four decades of expertise solving foundation problems across Ontario's diverse conditions and climates.
Lifetime Warranties
Many of our services come with transferable lifetime warranties, providing peace of mind for years to come.
Free Estimates
No-obligation, detailed estimates with clear explanations of the work needed and pricing with no hidden fees.
Award-Winning Service
Recognized for excellence in customer service and workmanship by industry associations and customers alike.
Fast Response
Emergency services available with rapid response times to prevent further damage to your property.
Serving Communities Across Ontario
We provide foundation repair and waterproofing services to residential homes and commercial businesses throughout parts of Southern Ontario, including Toronto, Mississauga, Ottawa, Hamilton, London, Kitchener, Waterloo, Guelph, Cambridge, Barrie, Brantford, Paris, Milton, and many more areas including the Peel, Halton, Haldimand and surrounding regions.
Major Service Areas: Toronto, Mississauga, Ottawa, Hamilton, London, Kitchener, Windsor, Oshawa, St. Catharines, Niagara Falls, Guelph, Cambridge, Barrie, Kingston, Brampton, Markham, Vaughan, Burlington, Oakville, Richmond Hill and many more...
Find Your Area & Get a QuoteExpert Foundation Repair Guides
In-depth, Ontario-specific articles from our foundation repair professionals. Deep dives into the conditions that affect your home.
How Ontario Frost Heave Destroys Foundations
Deep dive into frost heave mechanics, how 1.2–1.8m frost depths damage Ontario foundations, and proven prevention strategies.
Clay Soil and Foundation Problems in Ontario
Understanding how Ontario’s clay soils—from Halton Till to Leda Clay—cause foundation damage and what homeowners can do.
Foundation Repair Costs in Ontario (2024–2025)
Detailed breakdown of foundation repair costs by service type, city, and project scope from 40+ years of real pricing data.
Spring Basement Flooding: Prevention Guide
Protect your Ontario home from spring basement flooding caused by snowmelt, saturated soils, and hydrostatic pressure.
Ready to Protect Your Home’s Foundation?
Don’t wait until small problems become major repairs. Contact us today for a free, no-obligation estimate. Get a free home or commercial business estimate.