Aquaphobia Foundation Repair & Crack Injections
“Jon was patient throughout the discussion, and very professional while performing the work.”
Best Basement Waterproofing Contractors near Clarington, ON
These contractors serve Clarington from nearby bases in towns including Bowmanville, Whitby and Hampton.
10 contractors listed · 8 open weekends · 8 rated 4.5+
Data verified October 21, 2026
Durham Backhoe Basement Waterproofing
“George was very easy to communicate with and made us feel comfortable with making a decision on the work that needed to be done.”
Aquaseal Foundation Crack Repair Wet Basement Solutions
“Any other company could have easily told me it was an issue and I wouldn't have know better, so I really appreciate his time and expertise.”
Martyn Excavating
“The foundation was excavated, waterproofed and insulated and the weeping tile and sump pump system were fixed properly.”
United Concrete Finishing
Solid Seal Concrete Medics
The 10 contractors listed for Clarington, ON work on wet basements, foundations and crawl spaces. Warranty claims, free inspection offers and hours come from each company's own website. Ask each one how the proposed repair holds up through frost, because that is where local systems fail.
Area overview: Clarington, ON
9 of the 10 contractors on this page have a rating, from 4.0 to 5.0 across 380 reviews; 3 have 50 or more reviews and 8 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (95%), responsiveness (86%) and quality (80%). The topics that come up most in reviews of the contractors on this page are "price" and "estimates". 8 are open on Saturdays and 6 on Sundays. 3 have ten or more years of experience, the longest 30 years. 1 offers financing or payment plans; 5 give free estimates and 2 are family- or locally-owned. We have a website on file for 9 of the contractors on this page; 6 publish a contact page; 5 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many opinions should I get for a damp problem?
There are 10 listings for Clarington. Get more than one assessment before committing, because diagnoses here differ more than prices do, and one crew's interior system is another crew's regrading and downspout job. Compare what each one says is causing the water rather than the number at the bottom.
Creative Visions
Moffatt Bros. Roofing Ltd.
“The guys did a great job cleaning up afterwards and I tell everyone who did the fantastic job on my house”
Brad Duggans Waterproofing Inc
“We were in really good hands and trusted the quality of his work.”
RBZ Contracting
“Our family recently had a project completed by RBZ, Ro was wonderful with communication, transparent in the planning process and his team was extremely knowledgeable to help us navigate our design.”
Why these companies made our list
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