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Harmony Basements
- Renovation
- Team
- Design
“I had a contract signed with a large basement renovation company and was able to get out of it within 48 hours after seeing a victim group on facebook.”
Best Basement Waterproofing Contractors in Woodbridge, ON
24 contractors listed · 5 in Woodbridge · 7 open 24/7 · 19 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
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Concrete One Ltd.
- Driveway
“Professional and knowledgeable, Concrete One installed a beautiful front porch, sideway, and back wrap-around deck for our family to enjoy for years to come.”
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New Life Concrete Sealing
“I was pleased with the work when it was done, they were professional and completed the project in a timely manner.”
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Titeseal Waterproofing
“I would highly recommend this company, friendly and excellent service.”
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Across Canada Construction Ltd.
“Great company”
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Drain Experts Plumbing
- Call
- Price
- Job
“He could figure out the problem just by looking at the snaps I sent and explained me the details over the phone before fixing an appointment for free inspection.”
The 24 contractors listed for Woodbridge, 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: Woodbridge, ON
5 of the 24 contractors we list are based in Woodbridge; the other 19 serve Woodbridge from towns including Etobicoke, Toronto and Mississauga. The contractors on this page are rated from 4.5 to 5.0 across 3,871 reviews; 20 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (95%), quality (80%) and responsiveness (75%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "communication". 7 are open around the clock; 19 are open on Saturdays and 13 on Sundays. The services the contractors on this page list most often on their websites are foundation repair (3), waterproofing (3), backwater valve installation (2), basement waterproofing (2) and camera inspections (2). 12 show a licence on their websites. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 1998. 9 offer emergency call-outs; 2 offer financing or payment plans; 17 give free estimates; 5 are family- or locally-owned and 7 list coupons or special offers. 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 24 listings for Woodbridge. 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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Drain 1 Plumbers Inc.
- Basement
- Job
- Team
“This was a huge and messy job, but the team did their best to keep the house clean and sane - all during a covid lockdown and frigid Canada winter conditions.”
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Prime Waterproofing
- Leak
- Team
- Basement
“Prime Waterproofing did amazing work around my house,good quality,on time,responsibility…Thank you guys ,definitely recommend this company and crew,thanks Nick”
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Aquamen Waterproofing & Underpinning
- Leak
- Basement
- Job
“Following an unexpected basement leak due to significant rainfall a few weeks ago, we enlisted the services of AquaMen Waterproofing & Underpinning Inc.”
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Rooter-Man
- Efficient
- Job
- Drain
“Thank you so much Jerome for your support with walking us through the unfortunate issue we had at my dads (roots broke through the underground clay pipes).”
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Waterproofing PD
- Job
- Team
- Clean
“The approach and solution that Vlad and Edgar provided made the most sense and we decided to waterproof the whole basement including installing the sump pump.”
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Drainworks Plumbing
- Backup
- Job
- Basement
“Once I had outlined the three issues I was experiencing (outdoor faucet leak, loose sink faucet and water pressure issue), he set to work looking into possible solutions and then explained the options to me really clearly.”
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Drobot Construction
- Project
- Team
- Basement
“A professional approach to the organization and execution of work for more companies such as Drobot Construction is agreed upon and without any additional fees, which is very important nowadays.”
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Drainrooter Plumbing
- Future
- Job
- Kitchen Sink
“They were able to provide me all the documents up front, proper quotes with detailed line items, and ultimately high quality work with keeping my family operational and happy.”
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Water Guard Plumbing
- Basement
- Job
- Price
“We were so frustrated the process that our city has, however with Mike's extensive knowledge he guided and advised us through it all to make it seamless..”
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Aquarescue Plumbing & Drain Cleaning Etobicoke
- Future
- Team
- Price
“The working area inside the home was covered with thick drop sheets and all access holes needed to be made on drywall/ceilings were kept clean cut, square shape, and kept to a minimum size.”
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Galaxy Plumbing Inc.
- Questions
- Job
- Team
“He gave me ideas on how to prevent water from entering from outside and see if that works at first, whereas a waterproofing company would go straight into rather expensive solutions.”
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New Canadian Drain and Plumbing Ltd
- Work
- Basement
- Technician
“Tony Hado arrived quickly to assess the problem and gave me a quote for my clogged shower drain, and also to check a floor drain with a camera to ensure that it was clear.”
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Aquatech Basement Waterproofing Toronto
- Sump Pump
- Job
- Work
“From the first meeting with Eric C and estimate, and the prompt and clear follow-ups in writing, and then the couple of days working on site, I knew we were in the best of hands.”
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Royal Work
- Job
- Leak
- Quote
“They proved to be an exceptional team to collaborate with, providing swift quotations, adhering to schedules, and efficiently completing the task at hand.”
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Tornado Plumbing & Drains
- Project
- Basement
- Work
“This time we had him install a new kitchen faucet and we also had emergency shutoff valves installed under our kitchen sink and the bathroom sinks on the second and third floor.”
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MT Drains & Plumbing LTD
- Quality
- Basement
- Price
“We had a water leak through the crack in the basement, The guys quickly visited us and provided a few solutions, after finalizing a quote it was a fast and quality repair.”
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Direct Waterproofing
- Questions
- Team
- Leak
“The team had done some some work for me a couple of years ago (basement inside waterproofing and installing a sump pump - which has been working fabulously!”
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Danar Co. GTA
- Steps
- Porch
- Work
“He not just replaced asphalt but redesigned the whole approach to the garage: concrete slab was put at the entrance and interlock stone in front and perimeters of driveway; kerbs were replaced with retaining wall; very solid and long catch basin...”
Basement Waterproofing Services in Woodbridge, ON Cost Estimates
Minimum cost
$685
Maximum cost
$13128
National Average
$4909
$2283
$7420
Typical price range is based on 520 cost profiles
Why these companies made our list
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