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Aquarescue Plumbing & Drain Cleaning Etobicoke
- Condo
- Projects
- Team
“I got Igor's contact info from a friend who highly recommended him because he's responsible for lot of work on his commercial properties (primarily restaurants).”
Best Basement Waterproofing Contractors in Toronto, ON
24 contractors listed · 21 in Toronto · 3 open 24/7 · 17 open weekends · 22 rated 4.5+
Data verified October 21, 2026
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Aluneed Ltd
- House
- Cleaning
- Team
“I am very satisfied with the work done with Aluneed Ltd and I would highly recommend the services of this company to anyone who eventually will need waterproofing services.”
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Royal Work
- Project
- Sump Pump
- Leak
“From the initial consultation to the very last day on the job , Alex and his team have maintained the highest degree of professionalism and workmanship.”
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Aquatech Basement Waterproofing Toronto
- Pipe
- Rebate
- Job
“Igor and his two co-workers carefully relocated a large garbage bin hut, multiple garden implements etc before excavation and returned each item to its original spot when done.”
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Act Fast Waterproofing Corp.
- Sump Pump
- Home
- Basement
“We called a number of contractors, but Colm was the only one who provided a very detailed and thorough with his explanation on what the problem was, and how he's going to fix the water leak in our basement.”
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Direct Waterproofing
- Call
- Pipe
- Team
“We discussed our options, he helped us figure out our sump pump situation as well and helped us deal with a plumbing issue that may have been the source of our original concern free of charge!”
The 24 contractors listed for Toronto, 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: Toronto, ON
21 of the 24 contractors we list are based in Toronto; the other 3 serve Toronto from Etobicoke (16 km). The contractors on this page are rated from 4.3 to 5.0 across 1,474 reviews; 9 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (80%) and responsiveness (80%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "crew". 3 are open around the clock; 17 are open on Saturdays and 12 on Sundays. The services the contractors on this page list most often on their websites are exterior waterproofing (3), sump pump installation (3), basement walkouts (2), interior waterproofing (2) and window well installation (2). 9 show a licence on their websites. 7 have ten or more years of experience, the longest 30 years. 5 offer emergency call-outs; 16 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. 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.
How many opinions should I get for a damp problem?
There are 24 listings for Toronto. 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.
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SVD Restoration
- Project
- Garage
- Team
“The best part about dealing with Petro is he answers his phone right away and oftentimes he will give you a direct answer regarding pricing and procedures.”
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ADP Toronto Plumbing
- Toilet
- Backwater Valve
- Team
“They were very punctual and professional when they came to deal with the plumbing issue, which was greatly appreciated as we are university students and have never had to deal with such problems on our own before.”
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Drain Express
- Company
- Work
- Basement
“Extra care was taken to keep the worksite clean and to perform the installation in the least obtrusive way possible to maintain storage space of the existing cabinetry.”
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SB Excavation
- Budget
- The Future
- Team
“We had an extremely difficult and detailed demolition project which had to be coordinated with many other trades and guys did it with ease and precision.”
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Draintony
- Basement
- Price
- Crew
“It didn't seem quite right to me, so I had Toni come and look at it; after taking the time to carefully and thoroughly evaluate my problem, it turned out I had a hiding sump pump under one of the stairs which was failing, as well as the catch basin p...”
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Leaky Basement
- Team
“Had the team come for a waterproofing inspection and the two guys that came were very courteous and professional.”
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Northland Paving Toronto
- Product
- Asphalt
- Driveway
“He was amazing and was there entire time to ensure this next time work was done correctly and he always kept giving me assurance on it as he realized how worried I was.”
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Strong Basements
- Price
- Budget
- Basement Waterproofing
“We did encounter a couple of hitches along the way due to the nature of our home's foundation, but the way Denis and his crew handled these issues was impressive.”
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Aqualux Draining and Plumbing
- Sewer
- Team
- Job
“No-one wakes up dreaming of spending money redoing underground drains but its one of those thinks you can't ignore and the AquaLux team are very professional, highly skilled and they took on a very complicated job and got it done on time with no more...”
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Mr. Waterproofer Basement Waterproofing Company
- Delivery
“Fast delivery.”
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True North Underpinning
- Project
- Quote
- Team
“The crew onsite are proficient, professional, and bring a “yes we can” attitude, which made them enjoyable to work with and provided a lot of comfort knowing our home was in good hands.”
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Majestic Caulking INC
- Project
- Team
- Quality
“As this was one part of a much larger project, Amr was flexible and able to suggest additional services to help us deal with an issue of water penetration.”
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Mystic Waterproofing
- Quote
- Basement
- Crew
“Pete and his team did an excellent job on a New walk-out entrance and repairing a foundation leak That water started coming in through my walls and into my basement when it rains.”
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Halo Homes Corp.
- House
“I had an excellent experience with the Halo Team, they built a custom house for me and my family in Lawrence Park South and it came out absolutely stunning.”
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Guardian Seal Ltd
- Price
“Ryan and Team did a great job on our basement wall fixing a crack that let in water and humidity.”
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Last King Construction Inc
- Team
- Future
- Slab
“Jan and the crew were amazing, super efficient, answered all of our questions, ensured that the site was safe since we lived in our home with two young kids during construction, went above and beyond several times, and now we went from a 5.”
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Northern Contracting
- Projects
- Team
- Drywall
“This included ensuring dirt from the dig did not go over onto our neighbours property as well as completing each task listed on the quote with new/good materials.”
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United Waterproofers Canada
- Projects
- Concrete
- Cost
“Specialized materials were used and established installation procedures were followed to ensure that leaks are stopped, and any concrete surface is repaired properly.”
Basement Waterproofing Services in Toronto, ON Cost Estimates
Minimum cost
$857
Maximum cost
$16410
National Average
$6137
$2854
$9275
Fair price range is based on 261 cost profiles
Why these companies made our list
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