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City Wide Group
- Team
- Warranty
- Wall
“I noticed drywall damage on my basement wall and was convinced it was due to a foundation leak based on previous basement leaks we had experienced as well as other supporting evidence.”
Best Basement Waterproofing Contractors near East Gwillimbury, ON
None of these contractors is based in East Gwillimbury; they work from towns including Barrie (34 km), East York (48 km) and Keswick (14 km).
24 contractors listed · 6 open 24/7 · 16 open weekends · 21 rated 4.5+ · 4 show a licence
Data verified October 18, 2026
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Journeymen Restoration and Masonry
- Work
- Home
- Team
“Tom and Donal are my only choice for brick work, underpinning and general contracting as they have done a top class job on everything they have worked on for me.”
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Mud Monkeys Waterproofing
“Darby and his team are honest, efficient, hardworking and knowledgeable.”
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Canadian Concrete Leveling
- Walkway
- Levelling
- Porch
“My project involved lifting 3 separate areas, a 10x20 slab that had dropped 4 inches at one end, a small porch landing that had dropped 2 inches at one end and a small walkway with 1 step that had drop 2 inches.”
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Hillside Waterproofing
- Price
- Sunday
- Christmas
“It was done in a timely and professional manner, we are very happy with how it turned out and will be letting all our friends and family know for any work in the future to definitely work with hillside waterproofing!”
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Pro-Leak Solutions
- Foundation
- Realtor
- Efficient
“He plugged everything up, put in the foam, smoothed the crack with hydraulic cement, tuck taped everything and left it better than what the builder left.”
The 24 contractors listed for East Gwillimbury, 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: East Gwillimbury, ON
22 of the 24 contractors on this page have a rating, from 4.3 to 5.0 across 1,322 reviews; 10 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (87%) and responsiveness (83%). The topics that come up most in reviews of the contractors on this page are "price" and "estimates". 6 are open around the clock; 16 are open on Saturdays and 15 on Sundays. The services the contractors on this page list most often on their websites are basement waterproofing (3), concrete driveways (2), concrete patios (2), stamped concrete (2) and waterproofing (2). 4 show a licence on their websites and 2 list staff certifications (IICRC). Domain records put 6 websites of the contractors on this page at ten or more years old; the oldest dates from 2000. 7 offer emergency call-outs; 2 offer financing or payment plans; 17 give free estimates; 5 are family- or locally-owned and 1 lists 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 East Gwillimbury. 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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Three Little Pigs Masonry
- Parging
- Foundation
- Quotes
“In a few words, three things really stood out for me: 1) the crew worked really hard from start to finish, 2) the precision and quality of their work is excellent, and 3) the cleanup was exceptional (they washed our laneway, driveway, and my neighbor...”
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CCL Landscape Design Ltd.
- Work
- Team
- Job
“Tyler and his crew created a beautiful front entrance to my home using granite flagstone and natural stone steps and can't wait for the second phase of the project.”
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The Basement Guy Waterproofing
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VIP Renovations
- Renovated
- Hardwood
- Kitchen
“They installed a new hardwood floor in the front hall and removed a wall to increase the size of our dining room.”
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Fleming Heritage Restoration
- Team
- Window
- Cost
“Other companies wanted to fill the holes with cement brick , Chris from the start understood the materials ( field stone) and the best methods and materials to use.”
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Johnson Group Contracting (Div
“They answered all of my questions and even took the time to do a little extra work I needed.”
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Concrete Bradford
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DNR Group
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JN Roofing and Contracting
- Quote
- Competitive
- Website
“Everything from the initial quote, which was by far the most informative that I recieved, to communicating with office staff, to the installation went as smoothly as you would hope.”
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Harmony Basements
- Renovation
- Schedule
- Work
“We made a few major changes, and like always Diego never made a big deal or said it was to late to make changes and accommodated every request we had made.”
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Danar Co. GTA
- Steps
- Renovations
- Retaining Wall
“Danar was initially chosen because of their patience, detailed knowledge, professionalism and friendliness and we would not hesitate in recommending them.”
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MT Drains & Plumbing LTD
- Quality
- Foundation
- Contractor
“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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Royal Partners Group
- Waterproofing
- Slava
- Team
“The whole crew were fantastic and professional from start to finish I would recommend them to anyone who's looking to get their basement waterproofed!”
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Dryshield Basement Waterproofing Woodbridge
- Price
- Quotes
- Concrete
“And here comes one that is honest and provided caring service, on a call where they weren't even going to make money, and we were convinced it was mold, all he had to do was not argue to take our money”
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Flood Tech
- Company
- Waterproofing
- Basement
“My basement flooded from a foundation crack and also required a flooded basement cleanup, I called flood tech at 3am and to my surprise they were available for an assessment at that time.”
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Sanremo Poly-Foam
- Pricing
- Walkway
- Driveway
“It had been sagging towards one side for many years, and we knew that it needed to be fixed, but the costs associated with replacing it entirely were exorbitantly expensive.”
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Drycrete Contracting
“Looking forward redirecting downspout water with them in the spring”
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Barrie Concrete Contractors
“I was hesitant in using a contractor because of the stories you hear but this company really put me at ease.”
Basement Waterproofing Services in East Gwillimbury, ON Cost Estimates
Minimum cost
$828
Maximum cost
$15862
National Average
$5932
$2759
$8966
Typical price range is based on 336 cost profiles
Why these companies made our list
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