Systèmes Sous-Sol Québec
“Cedrick and Mess did an exemplary job, the places were cleaned very properly each time they left the site.”
Best Basement Waterproofing Contractors near Saint-Eustache, QC
These contractors serve Saint-Eustache from nearby bases in towns including Laval, Saint-Laurent and Terrebonne.
14 contractors listed · 1 open 24/7 · 7 open weekends · 13 rated 4.5+ · 11 show a licence
Data verified October 18, 2026
Purlift Inc.
“Excellent job, the guys are professionals, they pick up everything and clean.”
Duraseal Réparation de Béton / Concrete Repairs
“Verdoni, is very professional in evaluating the scope of the work Highly recommended.”
Goudron Pagé Inc
“Impeccable service from professional guys, work very well done, reasonable price, they ask questions and answer us with a beautiful smile, I recommend it, plus they are beautiful 🤩.”
Fissures LG
“We are very satisfied with the professional work accomplished by Fissures LG inc.”
Sous-Sol Confort
“Very professional, fast and great execution.”
The 14 contractors listed for Saint-Eustache, QC 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: Saint-Eustache, QC
The 14 contractors on this page are rated from 4.2 to 5.0 across 1,128 reviews; 3 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 (90%), quality (66%) and responsiveness (51%). The topics that come up most in reviews of the contractors on this page are "price" and "estimates". 1 is open around the clock; 7 are open on Saturdays and 4 on Sundays. 11 show a licence on their websites. 6 have ten or more years of experience, the longest 30 years. 1 offers emergency call-outs and 5 give free estimates. We have a website on file for all 14 of the contractors on this page; 13 publish a contact page and 10 list a public email. 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 14 listings for Saint-Eustache. 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.
Groupe Durasec
“The team was attentive, professional, gave good advice, friendly and responsible, even going so far as to come back for small adjustments for our satisfaction.”
Asr Construction Fissure et Drain Francais
“They showed much respect and care for my house and landscaping during the foundation work.”
Fissure 640
“Very satisfied with the work, staff was professional and courteous.”
Fissure Drain Laval
“Really listens to the customer, friendly and is not afraid to explain things.”
BH Foundation Repair Inc
“They are a very professional team, 3 beautiful people, friendly, all wear same color beard and hat, perhaps that the reason they are called BH.”
Solage Solide
“They called before arriving, they arrived at the time they said they would, they were polite and did quite honestly an over-engineered and astonishing job.”
Allan Réparations de Fondation
“Derek and crew came in, identified the issue quickly, got the repair done, and overall, were great to work with.”
Stabili Pieux Excavation
“Smiling, respectful and mobilized workforce towards the project.”
Why these companies made our list
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