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Got a wet basement? Musty odors? Protect your home with our proven solutions & lifetime warranty.

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Our Services

  • Concealed drainage system
  • Powerful, reliable sump pumps
  • Battery backup systems
  • Patented waterproofing products
  • Energy-efficient dehumidifiers
  • Industry-leading warranties

Basement Waterproofing Companies in Ontario

23576 Prince Albert Road
Chatham, ON N7M 5J7
199 Exeter Rd Unit E
London, ON N6L 1A4
Advanced Basement Systems is a dealer for the Essex, Chatham, London, and Hanover areas in Ontario.
View company profile for reviews, awards, before & after photos, and more.
95 Frid Street Unit 1
Hamilton, ON L8P 4M3
Oakville, Burlington, Hamilton, Ancaster, Dundas, Grimsby, Cambridge, Guelph, Milton, St. Catharines, Moffat, Eden Mills, Kilbride, Carlisle, Freelton, Flamborough, Smithville, Hagersville, Golden Horseshoe areas in Ontario.
View company profile for reviews, awards, before & after photos, and more.
1735 Bayly St
Pickering, ON L1W 3G7
Service Area:
Greater Toronto: including Toronto, Markham, Mississauga, Pickering, and nearby.
View company profile for reviews, awards, before & after photos, and more.
246 Mary St
Tweed, ON K0K 3J0
McInroy Basement Systems has over 10 years of experience as the local basement waterproofing and crawl space repair contractor serving the Greater Belleville Area. Through their association with Basement Systems, Inc. they also have access to top-of-the-line products, training, and more!
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3 Benjamin Lane
Kemptville, ON K0G 1J0
Atlantic Basement Systems is a dealer in Ottawa and Eastern Ontario: Brockville, Smiths Falls, Arnprior, Renfrew, Kemptville, Perth, Rockland, Carleton Place.
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1294 Algoma Rd
Gloucester, ON K1B 3W8
The Foundation Guys are your local experts for quality basement waterproofing and crawl space encapsulation in Ottawa and nearby.
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1620 boul Saint-Elzéar O
Laval, QC H7L 3N2
Systèmes Sous-sol Québec, also known as Basement Systems Quebec, services the Quebec, Montreal, Joliette, Laval, Lachenai, Longueuil, Chambly, Saint-Constant, and Saint-Hyacinthe area.
View company profile for reviews, awards, before & after photos, and more.

Your Home faces Water Damage

1. Ontario receives a good amount of rain and when you add on melting snow flash floods are a serious concern.

2. When flooding hits your area, your basement is most likely to be the prime target for water damage.

3. If you allow it to be wet, moldy, humid, smelly, and unhealthy, you're abandoning an entire floor of space in your home. Additionally, the basement air - filled with odors, dust mite feces, humidity, and mold spores - will rise into the rest of the house, ruining the healthy environment of the home.

Basement Waterproofing & Crawl Space Repair

When your Ontario home has a flooded basement or a musty, moldy crawl space, your local Basement Systems waterproofing contractors are here for you. With fast installation, they can protect your below-grade space from flooding, humidity, and mold, making your basement or crawl space a cleaner, drier, healthier environment and restoring value to your home.

We Provide:
  • Basement Waterproofing
  • Crawl Space Encapsulation
  • Leak Repairs
  • Exclusive, Patented Products
  • World's Best Sump Pumps
  • Energy-Efficient Dehumidifier             
You Receive:
  • Permanently Dry Basement or Crawl Space
  • Controlled Humidity
  • Mold Mitigation
  • Lifetime Transferable Warranty
  • Greater Home Value
  • Peace of Mind

From Toronto to Thunder Bay and throughout Northern Ontario, our waterproofers are ready to help you and provide free basement or crawl space waterproofing quotes. No obligation free written estimates include an on-site consultation, custom waterproofing design, and a unique presentation on our products and services. 

Ontario's Trusted Waterproofing Company

Testimonials

  • Hazel from Windsor Ontario was hit like many people in her area by the 2017 floods. For the first time in 30... Read Full Testimonial
    Hazel O.
    Windsor, ON

    Customer Testimonial

    Hazel O.
    Windsor, ON
    Hazel from Windsor Ontario was hit like many people in her area by the 2017 floods. For the first time in 30 years her house was flooded and she needed it to be fixed right away. Hazel had come across many of our Advanced Basement Systems commercial and called right away and was able to get her home fixed. She added the TripleSafe Sump Pump and waterguard to her home and she has not had any flooding since.
  • “Couldn’t even tell they were here, other than the crawl space is beautiful, when they... Read Full Testimonial
    Mitch M.
    Petroila, ON

    Customer Testimonial

    Mitch M.
    Petroila, ON
    Issue was dirt floor, no insulation, warm moist air wet all the time, mold always a concern. A google search and Advanced Basement Systems came up with the best rating. Called the office and an appointment was booked with Nick. The Inspector came out, inspected the crawlspace, mapped out the project on the spot including a price and gave some options. Initially a partial job was selected, further discussion and sample of product reveled a better option and a complete job was chosen. The use of the material sample provided the homeowner a better sense of the security the job would be done right. Notice the floors are warmer and expect this to translate into energy savings and home comfort improvement. Surprises include the speed with which the job was completed, the conditions of the home and surrounding after the crew left. “Couldn’t even tell they were here, other than the crawl space is beautiful, when they left” “If you want somebody to do the job quickly and efficiently and without hassle, then you should call Advanced Basement Systems.”
  • If anyone needs any work done in their basement this is the company to choose. Read Full Testimonial
    Peter and Debbie K.
    Sarnia, ON

    Customer Testimonial

    Peter and Debbie K.
    Sarnia, ON
    Looking for a basement contractor? Here's what these happy customers had to say about their experience with Advanced Basement Systems: "If anyone needs any work done in their basement this is the company to choose. From the first phone call to right to the end result, it was handled professionally and we were treated with respect."
  • We are very satisfied with the work done in our basement this week by Advanced Basement Systems. Read Full Testimonial
    V B.
    Zurich, ON

    Customer Testimonial

    V B.
    Zurich, ON
    We are very satisfied with the work done in our basement this week by Advanced Basement Systems. Justin F. and his crew were friendly, polite and very knowledgeable. The quality of their work is excellent and we were impressed by how clean and tidy everything was when they were done. It will be so wonderful to have a basement we can use again.
  • Very satisfied with all aspects of the job. Read Full Testimonial
    Danny N.
    Brantford, ON

    Customer Testimonial

    Danny N.
    Brantford, ON
    Phill (System Design Specialist) was very personable and informative. The crew was excellent, good personalities and the clean was well done. I had an extremely good experience with the office staff, all staff were very informative. Very satisfied with all aspects of the job. I would not hesitate to refer you to anyone needing this type of work. Thanks for a job well done!
  • The crew were professional and have great work ethic. We were very impressed with the crew. 5 stars +, for... Read Full Testimonial
    Lesley P.
    New Hamburg, ON

    Customer Testimonial

    Lesley P.
    New Hamburg, ON
    The crew were professional and have great work ethic. We were very impressed with the crew. 5 stars +, for sure.
  • Ryan and his crew were wonderful -- beyond my expectations. If I had another basement and needed work done I... Read Full Testimonial
    Lynn J.
    Dunville, ON

    Customer Testimonial

    Lynn J.
    Dunville, ON
    Ryan and his crew were wonderful. They were so nice and police, explained everything and gave me advice. They were very clean and did an amazing job of keeping dust out of my home, beyond my expectations. If I had another basement and needed work done I would definitely call you. And I would ask for Ryan.
  • I wouldn't think twice about hiring Omni again. Read Full Testimonial
    Lonnie N.
    Ancaster, ON

    Customer Testimonial

    Lonnie N.
    Ancaster, ON
    Very knowledgeable and efficient. Just the way I like it, no surprises. This was the second time I've used Omni's service. Both jobs were done to specs, on time, cleanup was thorough and I got exactly what Pete promised me I'd be getting. The site foreman kept me informed of their progress and all issues I needed to be aware of at the end of each day. The 3 downspout extensions and sump pump discharge work was started and completed in four hours during a steady heavy downpour. I figured they'd stop working but they didn't. They kept working during the rain until the work was done. They were soaked to the core. What more could a customer ask for? Great experience from a great crew. What I did find was this crew enjoys working for Pete. That tells me what Omni is all about. I wouldn't think twice about hiring Omni again.
  • I would definitely recommend Omni to anyone in a similar circumstance. Read Full Testimonial
    Glen G.
    Hamilton, ON

    Customer Testimonial

    Glen G.
    Hamilton, ON
    The entire Omni team was responsive and knowledgeable. I was provided the utmost attention to detail and guidance throughout the whole process. I received very helpful and informative product/solution information in advance of the sales visit and then the installation crew with George (foreman) and Josef and Brian demonstrated skill and expertise to adapt and resolve the challenges of my unique install situation. I feel Omni has resolved my wet basement issue with an appropriate, quality and long lasting solution that suits my needs and I would definitely recommend Omni to anyone in a similar circumstance. Thank you!

Basement and crawl space environments are our specialty and it's what we do every day. We have the background, experience, and training you need to get the job done, and done right! Whether your basement has leaky windows, leakage through cracks, pipe penetrations, or hatchway doors, or if water is entering through the wall/floor joint, we have the right solution to keep your basement dry all the time!

For homeowners in Ontario, including Toronto, Thunder Bay, and Hamilton as well as Bearskin Lake, Cat Lake, Fort Albany, Fort Hope, Fort Severn, Kenora, Kingston, Kirkland Lake, North Bay, Owen Sound, Sudbury, Swain Post, and throughout ON, there is a locally owned and operated basement and crawl space contractor nearby. Our dealer network is ready to help you end your crawl space moisture and wet basement issues. Contact us online or by phone for your free basement or crawl space quote!

Don't take chances when you need to fix a wet basement. Go with the company that has specialized in basement waterproofing since 1987. Basement Systems has helped tens of thousands of homeowners solve basement water problems, using an exclusive selection of patented products that aren't available to other contractors. If there's water in your basement, Basement Systems can provide the permanent, warranted solution you're looking for to improve your home's safety, healthfulness and value.

Customer Reviews

  • full starfull starfull starfull starfull star
    By Wendy F.
    Kingsville, ON
    Joel's customer service skills are excellent - great...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Wendy F.
    Kingsville, ON
    Joel's customer service skills are excellent - great employee for you!!
  • full starfull starfull starfull starhalf star
    By M. V.
    Kingsville, ON
    Every employee that I came in contact with during this...
    View Review

    Customer Review

    full starfull starfull starfull starhalf star
    By M. V.
    Kingsville, ON
    Every employee that I came in contact with during this process ( Bryan, Adele, Justine ,Jonathan) were professional and friendly. A pleasure to do business this way.
  • full starfull starfull starfull starfull star
    By Private
    Kingsville, ON
    I would like you to know how pleasant and very informative...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Private
    Kingsville, ON
    I would like you to know how pleasant and very informative Kevin P. was when he did the installation of our triplesafe sump pump. His partner (i think his name is Shaun) was also a consistent and hard worker. Kevin didn't leave until I saw the final installation and explained the workings of the pump. I was very satisfied with the job. No dirt or mess was left behind. As a matter of a fact, the sump pump room was left a little cleaner than before the job.
  • full starfull starfull starfull starhalf star
    By Judy V.
    Kingsville, ON
    Very professional and knowledgeable
    View Review

    Customer Review

    full starfull starfull starfull starhalf star
    By Judy V.
    Kingsville, ON
    Very professional and knowledgeable
  • full starfull starfull starfull starfull star
    By Robert T.
    Kingsville, ON
    Overall it was a great experience and I received what I was...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Robert T.
    Kingsville, ON
    Overall it was a great experience and I received what I was promised.
  • full starfull starfull starfull starfull star
    By Elfie M.
    Kingsville, ON
    Kevin Gill and his crew, Patrick and Sam were courteous and...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Elfie M.
    Kingsville, ON
    Kevin Gill and his crew, Patrick and Sam were courteous and professional. They provided a good service within a shorter time frame than expected. They were most helpful in moving some heavy items. Thank you
  • full starfull starfull starfull starfull star
    By Wayne H.
    Kingsvilled, ON
    Salesman very good and we liked the presentation by...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Wayne H.
    Kingsvilled, ON
    Salesman very good and we liked the presentation by computer what was going to be done. Team of workers very polite and courteous, the foreman explained things clearly to us if we had any questions...Basement looks wonderful. friends impressed how neat and clean everything looks...
  • full starfull starfull starfull starfull star
    By Gerald
    Kingsville, ON
    Joel is very easy to talk with.He's a gentleman.He took the...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Gerald
    Kingsville, ON
    Joel is very easy to talk with.He's a gentleman.He took the time to explain about the care of the sump pump and answered my questions about the humidity I'm dealing with in my basement. Our hydro bill is outrageous and I discussed that with him. He was quite helpfull.
  • full starfull starfull starfull starfull star
    By Richard
    Kingsville, ON
    From start to finish, the whole process was simple. The...
    View Review

    Customer Review

    full starfull starfull starfull starfull star
    By Richard
    Kingsville, ON
    From start to finish, the whole process was simple. The lifetime warranty sold us - but after the finished product - the service experience was a bonus!
Click to see why people hire us

Recent job requests for basement waterproofing in ON:

Project Location: Lasalle, ON N9J 3L5

Comment: Water leaking in one of room in basement.

Project Location: Windsor, ON N9E 2A6

Comment: About 300 sq ft basement room. therma dry flooring

Project Location: Windsor, ON N9A 4V4

Comment: Water coming into basement when its raining

Project Location: Chatham, ON N7L 4N2

Comment: Every time we get a lot of heavy rain in a short periods of time, our basement gets water. It seeps in from the walls (block foundation).

Project Location: Sombra, ON N0p 2H0

Comment: Water leaking in to finished basement .Not sure if problem with gutters or foundation.

Project Location: Alvinston, ON N0N 1A0

Comment: Dirt basement with stone foundation it is always damp

Project Location: Appin, ON N0L 1A0

Comment: Water is always present in certain spots on the basement floor. As fast as we shop vac the water reappears.

Project Location: Sarnia, ON N7S 4K7

Comment: Looking to get a quote for my basement.

Project Location: Muncey, ON N0L 1Y0

Comment: Water leaks almost everything it rains, the window well is a problem.

Project Location: Watford, ON N0M 2S0

Comment: Looking to put carpet on a concrete basement floor. Our location has humidity most of the year.

Project Location: Komoka, ON N0L 1R0

Comment: Needing consultation for replacement sump-pump, with back-up, and outdoor drainage.

Project Location: Vienna, ON N0J 1Z0

Comment: We have water leaking in the basement in 2 spots, sump is keeping up, seems like might be seeping through foundation

Project Location: Lambton Shores, ON N0n 1j7

Comment: Leaking basement at our cottage.

Project Location: Exeter, ON N0M 1S1

Comment: Water leaking in at floor in basement under window area

Project Location: Wellesley, ON N0B 2T0

Comment: Our dirt floor basement that has continuous running water in it has not started to mold. Help!

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