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Basement Waterproofing Contractors In Ontario

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.

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

Our Ontario Dealers

Omni Basement Systems
95 Frid Street Unit 3
Hamilton ON, L8P4M3

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.

[Basement Waterproofing in: Hamilton, Oakville, Kitchener, Burlington, Guelph, St. Catharines, Niagara Falls, ON...]
SST Basement Systems
648 Squier St., Unit #9
Thunder Bay ON, P7B4A8

SST Basement Systems is an authorized Basement Systems Dealer located in Thunder Bay Ontario servicing all surrounding areas up to the Hudson Bay and as far north as Sault St. Marie

[Basement Waterproofing in: Thunder Bay, Sault St. Marie, Ear Falls, Fort Frances, Big Trout Lake, Ogoki, Moosonee, Timmins, Caramat...]
Atlantic Basement Systems
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.

[Basement Waterproofing in: Ottawa, Brockville, Smiths Falls, Arnprior, Renfrew, Kemptville, Perth, Rockland, Carleton Place...]
Advanced Basement Systems
23576 Prince Albert Road
Chatham ON, N7M5J7

Advanced Basement Systems is a dealer for the Essex, Chatham, London, and Hanover areas in Ontario.

[Basement Waterproofing in: Tecumseh, Windsor, Amherstburg, Leamington, Chatham, Stratford, Hanover, Essex, London, Sarnia, St. Thomas...]
Clarke Basement Systems
10638 Ninth Line
Markham ON, L6B1A8

Clarke Basement Systems is a dealer in the Greater Toronto, Ontario area including Mississauga, Vaughn, Richmond Hill, and Orangeville.

[Basement Waterproofing in: Toronto, Mississauga, Markham, Brampton, Vaughan, Richmond Hill, Oshawa...]
Kenmar Basement Systems
1049 Hwy 17 East
Wahnapitae ON, P0M 3C0

Basement Waterproofing and Crawl Space Repair in North Bay, Sudbury, Sault Ste Marie, Gore Bay and Manitoulin Island in Ontario.

[Basement Waterproofing in: Sudbury, North Bay, Elliot Lake...]
McInroy Basement Systems
253 Colborne Street Box 181
Tweed ON, K0K 3J0

McInroy Basement Systems is your local member of Basement Systems, Inc. - a network of about 300 of the best basement waterproofing contractors in six countries.

Ontario Basement Waterproofing Contractors

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.

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. We'll also include a complimentary 99-page Crawl Space Science or Dry Basement Science book!

We have dealers throughout Toronto and the rest of Ontario- call or e-mail us today to get started!

Features of our Basement and Crawl Space Systems:

  • Experienced basement and crawl space experts
  • Fast, effective, clean installations
  • Written transferable warranty
  • Customer references and testimonials available
  • 27 patented waterproofing products
  • FREE 99-page book with waterproofing quote!

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!

Our Ontario dealers are members of the Basement Systems Network. Your local dealer has exclusive access in your area to the world's largest network of waterproofers. We have basement waterproofers and crawl space repair contractors throughout Canada, the United Kingdom, and the United States, with more than 300 locally owned and operated dealers in all. Combined, our research, experience, and innovative products keep us the world leaders in customer satisfaction, quality workmanship, and long-lasting results.

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!

Not in Ontario?
Currently we have basement waterproofing contractors in the following states and provinces: