View Profile
GJ Macrae Foundation Repair
- Crew
- Basement
- Leak
“Dean came out the next day and inspected the foundation, walked us through the options, and explained how it all works, giving us confidence in their enterprise and care.”
Best Basement Waterproofing Contractors in Oakville, ON
24 contractors listed · 6 in Oakville · 9 open 24/7 · 21 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
View Profile
Aquaguard Injection & Waterproofing
- Warranty
- Basement
- Price
“We had a leak into our basement in the same spot where a number of others on our street (who live in the same model of home) had experienced a leak within the past year or two.”
View Profile
Precise Plumbing & Drain Services
“Called this company to do a quick repair after trying and failing to change a cartridge on a shower that had been improperly installed by the houses former owner.”
View Profile
Drychek Waterproofing
- Basement
“They did our waterproofing in a timely manner, and finished very quickly!”
View Profile
Aqua Dry Waterproofing Technologies
- Basement
- Leak
- Foundation
“Bradley was quick to respond and help out in explaining the waterproofing work and crack injection requried as well as going above and beyond to check my basement for any potential waterproofing issues.”
View Profile
Geoform Systems Inc. / Geoform Canada Ltd.
“Best solution provider to difficult problems on construction site.”
The 24 contractors listed for Oakville, 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: Oakville, ON
6 of the 24 contractors we list are based in Oakville; the other 18 serve Oakville from towns including Mississauga (17 km), Etobicoke (29 km) and Toronto (41 km). The contractors on this page are rated from 4.7 to 5.0 across 3,488 reviews; 19 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), quality (80%) and responsiveness (75%). The topics that come up most in reviews of the contractors on this page are "price", "estimates" and "cleanliness". 9 are open around the clock; 21 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), foundation repair (3), drain cleaning (2), exterior basement waterproofing (2) and waterproofing (2). 12 show a licence on their websites. 11 have ten or more years of experience, the longest 27 years. 11 offer emergency call-outs; 20 give free estimates; 5 are family- or locally-owned and 6 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 Oakville. 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.
View Profile
Aquamen Waterproofing & Underpinning
- Clean
- Basement
- Leak
“They answered all my questions about waterproofing patiently and helped me understand how the system works, which was very valuable to me as a homeowner.”
View Profile
Prime Waterproofing
- House
- Team
- Leak
“I highly recommend this company for your water proofing needs as they are very professional, excellent communication, very responsive, and do great work .”
View Profile
Rooter-Man
- Basement
- Job
- Efficient
“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).”
View Profile
Rooterworx
- Project
- Team
- Pipe
“They worked diligently to implement the waterproofing solutions with minimal disruption to our daily lives, demonstrating their commitment to both quality craftsmanship and respect for our home environment”
View Profile
Waterproofing PD
- House
- Team
- Job
“Not only did they follow specifications to a tee, but they also took the time to explain everything to me in detail, ensuring I understood the outcome of their work.”
View Profile
Drainworks Plumbing
- Sewer
- Job
- Backup
“Within a couple hours, Chris, a senior tech who has been with the company 20 years, was at my house to completely re-pipe and properly install my sink/faucet, waterline to my fridge and check the dishwasher line.”
View Profile
Silicone Seals Caulking Sealing & Pest Blocking
- Leak
- Windows
- Cleaning
“I was surprised that it took some time to remove the old caulking, but now I understand that they remove everything out and it's not as easy as I imagined.”
View Profile
Drobot Construction
- Leak
- Team
- Project
“The whole team was nice and courteous, they allowed me to watch the process, and utilized what they needed to get the job done as quickly as possible with great effort.”
View Profile
Canada Waterproofers Mississauga
- Clean
- Leak
- Drain
“I reached out to three companies in the Toronto Area and Canada Waterproofers got back to me within a few hours on Sunday night saying they would give me a call the next day.”
View Profile
Drainrooter Plumbing
- Toilet
- Job
- Future
“We called at 7pm on a Friday desperate for help as we had tried several other plumbers who either weren't able to diagnose or couldn't come out for several days.”
View Profile
Water Guard Plumbing
- Drain
- Job
- Basement
“We had a pipe burst between Christmas and New Year and Waterguard Plumbing were (luckily for us) in the neighbourhood and were able to come right away.”
View Profile
Aquarescue Plumbing & Drain Cleaning Etobicoke
- Condo
- Team
- Future
“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).”
View Profile
Galaxy Plumbing Inc.
- Communication
- Job
- Questions
“Nicholas was great at answering all my questions, and did an amazing job with fixing the cracked pipes, and water shut offs that didnt want to work any more.”
View Profile
New Canadian Drain and Plumbing Ltd
- Kitchen Sink
- Basement
- Work
“This is a homeowners nightmare I was worried about my finished basement being torn up but the crew really did an amazing job keeping the trouble to a minimum area.”
View Profile
Aquatech Basement Waterproofing Hamilton
- Leak
- Crew
- Walls
“The back wall of the house had/has structural damage and the repair was made but they were not allowed to pack down the the dirt along that wall and said they would be back in the spring to fill in the areas that sank on their own and left a large pi...”
View Profile
Tornado Plumbing & Drains
- Sump Pump
- Basement
- Project
“Communication with the scheduling coordinator was efficient and their automated appointment reminders, scheduling emails, and ETA texts make life easy.”
View Profile
Royal Work
- Project
- Leak
- Job
“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.”
View Profile
Crackmasters Basement Waterproofing Systems
- Team
- Rain
- Leak
“Quick , clean and very efficient Jose was fantastic ,super nice guy would definitely recommend this company for anyone having issues with any basement leaks.”
Basement Waterproofing Services in Oakville, ON Cost Estimates
Minimum cost
$852
Maximum cost
$16319
National Average
$6102
$2838
$9224
Fair price range is based on 443 cost profiles
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
