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About Clarke Basement Systems

Professional Basement Waterproofing Company

Clarke Basement Systems is your local Basement Systems® dealer in the Ontario area. We serve Mississauga, Markham, Vaughan and many outlying areas, including Richmond Hill, Oshawa, Brampton, Vaughan, Barrie, Newmarket, Peterborough and nearby. See our full service area.

Accreditations and Affiliations

As basement waterproofers, foundation repair, concrete leveling, and crawl space repair experts, we are locally owned and operated contractors who have been in business since 2003.

A certified Basement Systems® dealer, we have exclusive access to a wide variety of waterproofing products that have been used in over 200,000 basements since 1987.

Each of our products includes a written, transferable warranty and the backing of an international network that's dedicated to keeping basements and crawl spaces dry all the time!

Recent Testimonials

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“...we are still very happy with our basement system and the we are VERY happy we have it installed before all this rain comes in tonight...”

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Kelly & Peter P. of Priceville, ON

“After living in her home for 25 years, this year my Mum got a bit of water in her basement which freaked her out and upset her greatly”

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Ramona S. of Burlington, ON

“Great Team, Great Job Overall!”

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Barb D. of Milton, ON

“Every time I contacted Clarke Basement, they were on time and returned any calls promptly, and if i had any questions they answered the questions personally.”

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Scott F. of Missisauga, ON

“This is the way a company should do business!”

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Gary M. of Mississauga, ON

“Arrived right on time & as scheduled!”

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Scott F. of Mississauga, ON

“We had a great experience with Clarke Basement Systems. They were extremely knowledgeable. They were really professional. I loved their confidence. I'd ask...”

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Joni of Toronto, ON

“Elizabeth from Toronto called on Clarke Basement Systems for help with her wet basement.”

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Elizabeth of Toronto, ON

“We would like to let you know that your company present high standard of business practices. From receptionist to professional visiting (Ron Monk in our...”

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Theresa of Toronto , ON

About the Owner

Owner of Clarke Basement Systems

Don Clarke

For over 20 years Don has been a leader in the construction industry. He is responsible for the strategic vision and leadership for both Clarke Basement Systems and Supportworks of Ontario.

Serving the greater Toronto area, Clarke Basement Systems specializes in crawl space repair, foundation repair, concrete lifting, and basement waterproofing in Ontario. Locally owned and operated, they are part of a national network of waterproofing experts offering high quality and up-to-date products.

Meet Our Team

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Rob Trevisan Production & Service Manager
Amber Tappin Production Coordinator
Cam Fraser Warehouse Manager
Bill McKeown Foreman
Dave Jackson Installation Foreman
Shane O'Rourke Installation Foreman
Jose Martinez Installation Foreman
Lucio Flores Installation Foreman
Luke Haverkort Installation Specialist

Free Waterproofing and Repair Quotes

At Clarke Basement Systems, we offer free, no-obligation waterproofing quotes to homeowners within our service area.

During your Free Estimate, our waterproofing specialist can answer any questions you may have about your wet basement or crawl space.

Our free quotes include all of the following:

Our 88-Page Waterproofing Book: Before we meet with you, we'll send along a copy of one of our 88-page crawl space and basement waterproofing books.

This book features our full selection of products, while explaining why basements leak -- and what we can do to permanently solve your problem.

A Personal, On-Site Inspection: Your waterproofing or foundation specialist will inspect your basement or crawl space to identify sources of flooding and moisture and explain the problem in depth.

Your Complete Waterproofing System Design: Our waterproofing specialist will measure your basement's dimensions and identify the best spot to place the sump pump and run your discharge line. You select which of our products you'd like in your home, and we make a plan together.

Our FREE Written Quote: We provide our customers with a free, no-obligation written quote at the end of each visit. Our prices are firm -- there will be no hidden expenses later on, and there will be no high-pressure sales techniques.

We Solve All Your Basement, Crawl Space, and Foundation Problems 

We'd like to show you how we can help you waterproof your basementcontrol moisture in your crawl space, or fix a failing foundation. We have the experience, equipment, and best practices you need to ensure a dry basement and structural integrity.  

For a free waterproofing, or foundation repair quote, call or-email us today!

our service area

We serve the following areas

Our Locations:

Clarke Basement Systems
12045 McCowan Rd
Stouffville, ON L4A 4C3
1-416-800-3177


Clarke Basement Systems
7250 Keele St Store #209
Vaughan, ON L4k 1Z8
1-416-800-1687