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Browse the Top 33 Waterproofing Contractors Serving Ontario, ON

See what 33 waterproofing contractors serving Ontario, ON, including Ajax, Brampton and Mississauga, offer for planned waterproofing and moisture-related repairs. Read customer feedback, explore business profiles and contact providers that match your requirements.
Ajax (3)
Beamsville (1)
Bowmanville (1)
Brampton (2)
Brighton (1)
Burlington (1)
Cambridge (1)
Dundas (1)
Etobicoke (1)
Gloucester (1)
Hamilton (1)
Innisfil (1)
Kingsville (1)
Mississauga (2)
Nepean (1)
Niagara Falls (1)
Orangeville (1)
Oro Medonte (1)
Oshawa (1)
Ottawa (1)
Peterborough (1)
Saint Catharines (1)
Singhampton (1)
Stratford (1)
Sudbury (1)
Tiny (1)
Toronto (2)
Windsor (1)
Not rated yet
Aquafix Basement Waterproofing
Not rated yet
We offer free consultations and estimates with no obligation
Professional basement waterproofing and foundation repair services in Trenton. Lifetime warranty available. Free consultations and estimates. Serving Quinte West and surrounding areas.
Interior Wrap Exterior Wrap Crack Repair
(613) 920-0576 Call Profile
Not rated yet
BBS Waterproofing
Not rated yet
We offer a 10-year transferable warranty on all workmanship.
BBS Waterproofing offers reliable basement waterproofing, foundation repair, and sump pump installation in Kitchener-Waterloo, Cambridge, and Guelph. 10-year warranty. Contact us today!
Basement Waterproofing Foundation Repair Sump Pump Installation
(519) 223-0676 Call Profile
Not rated yet
Above Water
22 Years
Not rated yet
Family-owned business with 19+ years of local experience in Ottawa
Trusted foundation waterproofing and concrete repair services in Ottawa since 2004. Family-owned business offering structural repairs, underpinning, and 20-year warranty solutions.
Foundation Waterproofing Structural Repairs Underpinning
(613) 276-0704 Call Profile
Not rated yet
Crackmasters Basement Waterproofing Systems
Emergency
Not rated yet
We offer 20+ years of specialized expertise in basement waterproofing and foundation repair.
Expert basement waterproofing and foundation repair services in Mississauga. Crackmasters Basement Waterproofing Systems Basement Waterproofing Systems offers reliable, lifetime-guaranteed solutions for wet basements and foundation cracks.
Basement Waterproofing Foundation Crack Repair Window Well Repair
(905) 855-3500 Call Profile
Not rated yet
Ontario Wet Basement
11 Years
Not rated yet
Certified technicians with 20+ years of construction experience
Trusted basement waterproofing and foundation repair services in Barrie. Ontario Wet Basement offers tailored solutions for wet basements, foundation cracks, and mould removal across Simcoe County and beyond.
Basement Waterproofing Crawl Space Encapsulation Foundation Crack Repair
(705) 533-4949 Call Profile
Not rated yet
Central Ontario Seepage Solutions
Not rated yet
We are family-owned with decades of combined experience in waterproofing and foundation repair.
Trusted basement waterproofing and foundation repair services in Central Ontario. Expert solutions for water seepage, foundation cracks, and crawlspace issues with lifetime guarantees.
Basement Waterproofing Foundation Repair Crawlspace Repair
(705) 446-7037 Call Profile
Not rated yet
AquaResist
Emergency
Not rated yet
We offer 25+ years of specialized basement waterproofing experience.
Expert basement waterproofing, underpinning, and drain repair services in Toronto, Mississauga, and the GTA. AquaResist Inc. offers 25+ years of experience and a 25-year warranty for lasting solutions.
Basement Waterproofing Underpinning Drain Repair
(905) 781-0672 Call Profile
Not rated yet
Russell & Sons Waterproofing
50+ Years
Not rated yet
Family-owned since 1967 with 40+ years of waterproofing expertise
Russell & Sons Waterproofing offers reliable basement waterproofing, crack repairs, and sump pump installations in Peterborough. Family-owned since 1967 with 40+ years of expertise.
Basement Waterproofing Crack Repairs Sump Pump Installation
(705) 742-5843 Call Profile
Not rated yet
Accl Group-Waterproofing Contractors
46 Years
Emergency
Not rated yet
43 years of specialized waterproofing experience since 1980
Trusted basement waterproofing specialists in Toronto. ACCL Waterproofing Contractors offers foundation repair, mold remediation, and drainage solutions with 43 years of expertise. Serving GTA since 1980.
Internal Waterproofing External Waterproofing Basement Lowering
(866) 701-8484 Call Profile
Not rated yet
Aquaseal Basement Waterproofing Contractors
38 Years
Emergency
Not rated yet
We have over 34 years of experience in basement waterproofing and foundation repair.
Trusted basement waterproofing and foundation repair services in Southern Ontario since 1988. Expert epoxy/polyurethane crack injections with lifetime warranties. 24/7 emergency service available.
Epoxy Crack Repair Polyurethane Crack Repair Exterior Waterproofing
(289) 240-5502 Call Profile