Proudly Serving Greater Toronto including - Mississauga, Markham, Toronto & nearby

$500 OFF*

Any Full Perimeter Waterproofing System with Sump Pump

*Cannot be combined with any other offer. Not valid for prior work, must be presented and redeemed at time of estimate. Customers that move forward with a full perimeter system on the day of the inspection will be eligible for this discount.

Clarke Basement Systems

basement waterproofing

Basement Waterproofing

We have the most effective solutions for wet basements.

crawl space repair

Crawl Space Repair

We offer complete crawl space encapsulation & repair services.

sump pumps

Sump Pump Installation

Our sump pump systems are engineered to get water out.

foundation repair

Foundation Repair

We'll find the right solution for your foundation problems.

concrete leveling

Concrete Leveling

Quickly & effectively restore your cracked, sinking concrete!

home mold

Home Mold

Protect yourself by preventing mold growth before it begins!

Ontario's Proven Basement Waterproofing & Foundation Repair Contractor

Proudly Serving Toronto, Markham, Mississauga, & Nearby

Clarke Basement Systems is the local specialist for waterproofing and foundation repair in the Toronto area. Although we're the waterproofing specialists, we do much more than just fix and prevent wet basements. We also fix basements that are damp and musty, repair foundation cracks and basement leaks, and repair crawl spaces and install dehumidifiers. Do you have a settling foundation or cracked, sinking concrete? We can help with that too.

We are a locally-owned and operated business that has been serving southern Ontario for over a decade. During that time our company has grown substantially because we provide warrantied solutions that are proven to last. We have become one of southern Ontario's most trusted basement waterproofing and foundation repair companies.

We provide free, no-obligation estimates for waterproofing and structural repair jobs in Toronto, York, Markham, Mississauga, and throughout Ontario. Call us at 1-416-221-9981 or click below to request your free quote today.

Toronto's Basement Waterproofing & Crawl Space Encapsulation Expert

The professionals at Clarke Basement Systems are known for their highly effective basement waterproofing, crawl space waterproofing, and crawl space encapsulation services. We offer a transferable lifetime dry basement warranty, more than 32 patented products that are specifically designed for your Toronto basement, and more. Our sump pump systems include the best cast-iron sump pumps and the longest-lasting battery backup pumps in the industry. Clarke Basement Systems has the best solutions for your leaky basement or crawl space.

Basement & crawl space products & services:

  • French Drain Systems
  • Sump Pumps
  • Plastic Vapor Barrier
  • Wall Crack Repair
  • Self-Draining Dehumidifers

Does your basement flood? Clarke Basement Systems has the solutions you require to recover your basement and prevent flooding in the future. Since basements can flood from almost any point, our skilled team will assess your Toronto basement and provide quality solutions based on what's causing basement flooding in the first place.

Why Southern Ontario Homeowners Choose Us

Dedication to Customer Satisfaction

Transferable Warranties on Waterproofing & Foundation Products

25+ Years of Experience in Waterproofing & Structural Repair

Exclusive, Patented Products

Homeowners facing flooded basements or sinking foundations need a contractor they can trust. They also need a company that knows what it's doing. It is our dedication to customer satisfaction and quality work that has made us Ontario's trusted experts for foundation repair and basement waterproofing.

We install tested, patented products in your home to permanently fix your leaking basement or sinking foundation. Our basement waterproofing system includes a lifetime transferable warranty, and our foundation and crawl space repair products come with 25-year transferable warranties. The servicemen who install these products are extensively trained in repair and waterproofing techniques. They are also trained on customer oriented service. This means our company gives complete written estimates, arrives on time, finishes on time, respects your home and answers all your questions.

Durable Foundation Repairs for Toronto Homeowners

Have you noticed cracks in your walls, floors, or ceiling? These are indicative of a foundation problem. As your local Supportworks contractor, Clarke Basement Systems offers only the best foundation repair products and services that are patented and custom-designed for your Toronto home. We offer bowing wall repair, foundation piers, and more to fix the following foundation problems:

Ready to repair your settling foundation in Toronto? We provide a variety of structural repairs for foundation settlement, sagging crawl spaces, cracked walls, and more. Contact us today to learn more!

Hundreds of Satisfied Greater Toronto Customers

Click for the Business Profile for Clarke Basement Systems (Div of Don Clarke Contracting Ltd)

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