Stronghouse Contracting
“I have received so many positive compliments from friends and neighbours regarding the "new look" of my chimney.”
Best Basement Waterproofing Contractors near Niagara Falls, ON
2 of these contractors are based in Niagara Falls; the others serve Niagara Falls from St. Catharines (17 km), Thorold (8 km) and Welland (13 km).
1 open 24/7 · 8 open weekends · 13 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
WET AND Humid NO More Ltd.
“It turned out to be rare internal failure in the backflow valve, which was replaced and pump was back in working order within 30 minutes.”
Tybo Concrete Coatings & Restoration
“We were undecided on what to do and are happy we went with TYBO beautifying the concrete that was already there.”
Ontario Concrete Raising Ltd.
“Spencer and Taylor did an excellent job of raising my front steps and leveling my front walkway.”
Proseal Waterproofing & Contracting Inc.
“Trevor was very thorough and quick to answer any and all questions.”
Moffat Foundations & Repair
“I've used Moffat twice and both experiences were a pleasure.”
The 14 contractors listed for Niagara Falls, 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: Niagara Falls, ON
The 14 contractors on this page are rated from 4.4 to 5.0 across 491 reviews; 2 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (97%), quality (82%) and responsiveness (78%). The topics that come up most in reviews of the contractors on this page are "price" and "estimates". 1 is open around the clock; 8 are open on Saturdays and 4 on Sundays. 1 shows a licence on its website. 7 have ten or more years of experience, the longest 30 years. 2 offer emergency call-outs; 6 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 14 of the contractors on this page; 12 publish a contact page and 12 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Why do some listings show another town or city?
Only 2 of the 14 listings give Niagara Falls as their address; the others come from other towns within 25 km. Crews in this trade cover wide territory and travel to the job. Distance matters after the work, not before it, so ask how far they return for a warranty callback.
Foundation Fix Inc.
“Wonderful company to deal with and I would definately rely on if ever an issue in the future”
Foundation Waterproofing by Moe
“The team did a great job considering the awkward space they had to work in behind my house.”
Hoss Concrete
“Justin and his team came to my grandpas house and repaired his entire driveway after us was cracking on the edges.”
K.r.s. Concrete Construction
“They finished the job on time, maintained cleanliness, and everything turned out beautiful.”
All-Pro Waterproofing & Excavating Inc
“The contractors came on time and stayed until the job was complete.”
Robson Foundations
“Mark (Owner) was very professional, courteous and well knowledge with repairs and solutions to foundation leaking.”
Beeline Cutting & Coring
“If you need concrete cutting he's the best.”
Seal-Tite Quality Concrete
“They fit us in quickly, cleared the clogs and then uncovered that the weeping tile was not connected to the sump pump and would function better if it was.”
Why these companies made our list
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