WaterGuard being installed

Your Home.
Our Team.
One Solution.

baement being waterproofed a crawl space foundation structure repair basement being waterproofed

Foundation Repair • Basement Waterproofing • Crawl Space Repair

Get Your Free Estimate
HomeStars Best of Award 2023 Baeumler Approved

Our Solutions

Cracked foundation
Foundation Repair
A wet basement
Basement Waterproofing
A healthy crawl space
Crawl Space Repair
A sinking sidewalk
Concrete Leveling
Sump pump installed in basement
Sump Pump Installation
Mould in an attic
Home Mould

Quality Basement Waterproofing & Foundation repairs since 2003

Clarke Basement Systems is the premier authority in crawl space waterproofing, foundation repair, and basement waterproofing in Toronto and the surrounding areas. While we are distinguished waterproofing specialists, our expertise extends far beyond fixing and preventing wet basements. Whether you're dealing with foundation cracks, foundation settlement, sagging floors, humid crawl spaces, or musty odors, you can count on our professional team for the right solutions!

As a locally owned and operated enterprise, we have proudly served southern Ontario for over two decades, fostering substantial growth through our commitment to delivering warrantied solutions renowned for their durability. This includes patented sump pumps, dehumidifiers, drainage systems, foundation piers, wall anchors, a crawl space vapor barrier, and more. Our dedication has made us one of the most reputable basement waterproofing, crawl space repair, and foundation repair companies.

We offer complimentary, no-obligation estimates for crawl space waterproofing, structural damage repairs, and basement waterproofing in Toronto, Markham, Mississauga, Brampton, Vaughan, and throughout Ontario. Reach out to us at 1-844-225-6185 or click below to schedule your free quote today.

Basement being waterproofed

Why Homeowners Choose Us

We believe the customer experience can and should be remarkable. Our goal is to provide you with the most reliable solutions and peace of mind about your home. At the time of your free inspection, you will know exactly what the problem is, exactly how we will fix it and exactly how much it will cost.


The professionals at Clarke Basement Systems are known for their highly effective basement waterproofing, crawl space waterproofing, crawl space encapsulation, and foundation repair 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.

Industry Leaders Exclusive patented, proven products
Reliable Service Transferable warranties for waterproofing systems
Trustworthy Crew Trained, experienced contractors
Customer Support Savings of up to 50% over other methods
Service Map
Grey noise background texture

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

Service Area
Free Quote