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:

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.

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.