Ontario home illustrating basement waterproofing, foundation repair, and drainage — Waterproof Ontario.

    Waterproofing Toronto

    Residential and commercial waterproofing services in Toronto: foundations, basements, window wells, and storm-season backups—matched to contractors in your neighbourhood.

    Contractors in our directory — Toronto

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    Toronto
    54 businesses foundin Toronto
    Complete Waterproofing
    5.0(16 reviews)

    Complete Waterproofing

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    701 Don Mills Rd., East York, ON M3C 1R8, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    Guardian Seal ltd
    5.0(2 reviews)

    Guardian Seal ltd

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    3583 Sheppard Ave E Suite # 316, Toronto, ON M1T 3K8, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    Jetflo Drain & Waterproofing
    5.0(24 reviews)

    Jetflo Drain & Waterproofing

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    Toronto, Ontario
    Jetflo is a family-owned and operated business offering waterproofing, sewer line repair, and drain services throughout Toronto, the Greater Toronto Area, and Durham Region. We’re excited to announce that our service area now extends to Hamilton, Niagara Falls, St. Catharines, Kitchener, Barrie, London, and Peterborough.
    Waterproofing service

    Services:

    Waterproofing serviceDrainage service
    Direct Basement Waterproofing Toronto
    5.0(251 reviews)

    Direct Basement Waterproofing Toronto

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    4 Faversham Crescent, Toronto, ON M9C 3X4, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractorConstruction company+1 more
    Aquatech Basement Waterproofing Toronto
    5.0(494 reviews)

    Aquatech Basement Waterproofing Toronto

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    20 Hyde Ave, Toronto, ON M6M 1J3, Toronto, Ontario
    Choose Aquatech Basement Waterproofing, Toronto's trusted basement waterproofing leader, for effective solutions to wet basements, foundation cracks, and more. Lifetime warranty available.
    Waterproofing service

    Services:

    Waterproofing serviceContractorDrainage service+1 more
    Royal Work Basement Waterproofing Toronto
    5.0(335 reviews)

    Royal Work Basement Waterproofing Toronto

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    230 Queens Quay W, Toronto, ON M5J 2X1, Toronto, Ontario
    Royal Work Corp offers fast and friendly wet basement waterproofing in Toronto to keep your home basement dry. Voted HomeStars best in 2021!
    Waterproofing service

    Services:

    Waterproofing serviceDrainage servicePlumber
    Canada Waterproofers
    5.0(151 reviews)

    Canada Waterproofers

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    51 Wolseley St Suite 108, Toronto, ON M5T 1A4, Toronto, Ontario
    Wet Basement Waterproofing Toronto & GTA. We Fix Wet Leaky Basements, Install sump pumps & backflow preventers, Plumbing & Underpinning!
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractorDrainage service+2 more
    Flood Guard | Wet Leaky Basement Waterproofing
    5.0(1 review)

    Flood Guard | Wet Leaky Basement Waterproofing

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    28 Linden St #308, Toronto, ON M4Y 2L2, Toronto, Ontario
    Its important to make sure that your problems like wet basements in Toronto are resolved promptly. Call us now and see the difference!
    Waterproofing service

    Services:

    Waterproofing service
    Direct Waterproofing Toronto
    5.0(82 reviews)

    Direct Waterproofing Toronto

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    2 St Clair Ave W 18th Floor, Toronto, ON M4V 1L5, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractorConstruction company+1 more
    Rainbow Solutions Inc.
    5.0(14 reviews)

    Rainbow Solutions Inc.

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    75 Perth Ave, Toronto, ON M6R 2C1, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    Benchmark Waterproofing
    5.0(1 review)

    Benchmark Waterproofing

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    2350 Dundas St W Unit 227, Toronto, ON M6P 4B1, Toronto, Ontario
    Waterproofing your Toronto home is one of the best ways to put a stop to water getting in and prevent water damage. When it comes to waterproofing in Toronto...
    Waterproofing service

    Services:

    Waterproofing serviceProfessional services
    Leaky Basement
    5.0(12 reviews)

    Leaky Basement

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    25 Canvarco Rd, Toronto, ON M4G 1L4, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    CD Flood & Sewer Water Damage Cleanup
    5.0(402 reviews)

    CD Flood & Sewer Water Damage Cleanup

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    77 Bloor St W #636, Toronto, ON M5S 1M2, Toronto, Ontario
    Water damage restoration service

    Services:

    Water damage restoration serviceBathroom remodelerDrainage service
    Avalos Construction
    5.0(10 reviews)

    Avalos Construction

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    175 Westmoreland Ave, Toronto, ON M6H 3A1, Toronto, Ontario
    -Waterproofing Interior/ Exterior -Basement Finishing & more (basement waterproofing)
    Waterproofing service

    Services:

    Waterproofing serviceConstruction company
    Wet Leaky Basement
    5.0(4 reviews)

    Wet Leaky Basement

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    3310 Yonge St, Toronto, ON M4N 2M4, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    Draintony
    5.0(44 reviews)

    Draintony

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    452 Rimilton Ave, Toronto, ON M8W 2G8, Toronto, Ontario
    Draintony is among the best Professional Basement Waterproofing companies in Toronto; equipped with the skills and knowledge necessary for
    Waterproofing service

    Services:

    Waterproofing serviceDrainage servicePlumber
    Averax Group
    5.0(9 reviews)

    Averax Group

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    3080 Yonge St suite 6060, Toronto, ON M4N 2K4, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractorWater damage restoration service
    Aquatech Waterproofing
    5.0(36 reviews)

    Aquatech Waterproofing

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    781 Craven Rd, Toronto, ON M4L 2Z7, Toronto, Ontario
    Choose Aquatech Basement Waterproofing, Toronto's trusted basement waterproofing leader, for effective solutions to wet basements, foundation cracks, and more. Lifetime warranty available.
    Waterproofing service

    Services:

    Waterproofing serviceConstruction companyContractor+1 more
    Absolute Mold Remediation Ltd
    5.0(43 reviews)

    Absolute Mold Remediation Ltd

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    28 Thornhill Ave, Toronto, ON M6S 4C5, Toronto, Ontario
    Mold Removal Burlington - Absolute Mold Removal is a Toronto company that offers organic Mold Inspection, Attic, Mold Removal, Remediation, Air, Quality, Mold Testing in Toronto, Burlington , Hamilton & Oakville. Call (800) 578-1291 for Inspection.
    Water damage restoration service

    Services:

    Water damage restoration serviceAir duct cleaning serviceBuilding restoration service+2 more
    FoundationGuard Basement Waterproofing & Underpinning
    5.0(19 reviews)

    FoundationGuard Basement Waterproofing & Underpinning

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    455 Danforth Ave, Toronto, ON M4K 1P1, Toronto, Ontario
    Protect your home with basement waterproofing and underpinning in Toronto. FoundationGuard repairs wet, leaky basements to protect your home.
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractor
    Umbrella Waterproofing Toronto, Drains & Plumbing Solutions
    5.0(4 reviews)

    Umbrella Waterproofing Toronto, Drains & Plumbing Solutions

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    21 Viamede Crescent, Toronto, ON M2K 2A7, Toronto, Ontario
    We are trusted & reputable professionals that specialize in all waterproofing treatments, drain & plumbing repairs, and more. Contact us to compare with any of our competitors - you’ll be pleasantly surprised.
    Waterproofing service

    Services:

    Waterproofing servicePlumber
    Mystic Waterproofing
    5.0(11 reviews)

    Mystic Waterproofing

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    2529 Finch Ave W, Toronto, ON M9M 2E9, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service
    VMB Group
    5.0(1 review)

    VMB Group

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    300 Front St W, Toronto, ON M5V 0E9, Toronto, Ontario
    VMB is leading company in Toronto for all basement underpinnings and excavation to increase height. Specializing in basement lowering and concrete slab.
    Waterproofing service

    Services:

    Waterproofing serviceConstruction companyGeneral contractor
    Direct Basement Waterproofing Toronto
    5.0(230 reviews)

    Direct Basement Waterproofing Toronto

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    4 Faversham Crescent, Toronto, ON M9C 3X4, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing serviceConcrete contractorConstruction company+1 more
    V-Cal Concrete Repair & Finish
    5.0(1 review)

    V-Cal Concrete Repair & Finish

    Verified: we confirmed this listing and claim when applicable. Not a guarantee of every job—compare written quotes.
    1531 Keele St, Toronto, ON M6N 3E8, Toronto, Ontario
    Waterproofing service

    Services:

    Waterproofing service

    Toronto's Trusted Waterproofing Experts

    Serving all Toronto neighborhoods and the Greater Toronto Area, we provide complete waterproofing solutions for residential and commercial properties. From downtown condos to suburban homes, our experienced contractors deliver lasting protection against water damage.

    Basement Waterproofing

    Interior and exterior basement waterproofing solutions to keep your foundation dry and secure.

    Foundation Waterproofing

    Professional foundation sealing and crack repair to prevent water infiltration and structural damage.

    Exterior Waterproofing

    Complete exterior waterproofing systems including excavation, membrane installation, and drainage solutions.

    Why Toronto Homeowners Choose Our Services

    Toronto Expertise

    Deep understanding of Toronto's unique climate, soil conditions, and building codes. We know the challenges facing GTA properties.

    Fast Response Service

    Quick waterproofing services across Toronto when needed.

    Licensed & Insured

    Fully licensed contractors with comprehensive insurance. Your Toronto property is protected throughout the entire process.

    Free Consultations

    Complimentary on-site inspections and detailed estimates for all Toronto waterproofing projects.

    Serving All Toronto Neighborhoods

    Our waterproofing contractors serve every corner of Toronto and the GTA, including:

    • • Downtown Toronto
    • • North York
    • • Scarborough
    • • Etobicoke
    • • East York
    • • York
    • • The Beaches
    • • Leslieville
    • • High Park
    • • Rosedale
    • • Forest Hill
    • • All GTA Areas

    Protect Your Toronto Property Today

    Don't wait for water damage. Contact our Toronto waterproofing experts for a free consultation.

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    Resources & guides

    Practical articles on waterproofing, foundations, and moisture—written for Ontario homeowners.

    All guides