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Find basement waterproofing pros in Markham

If you’re looking to protect your basement from leaks, floods, or humidity, HomeStars can help. Our platform allows you to easily connect with professionals who can help with basement waterproofing in Markham. Compare quotes, read reviews, and make the hire all in one convenient place!

Closeup of a worker’s gloved hands waterproofing the bottom of a concrete wall with blue sealant.

Some of our top rated basement waterproofing specialists in Markham

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  • Basement Waterproofing Specialist in Markham

    Welcome to DOD Construction — your trusted team for quality, detail-oriented finishing work in the Greater Toronto Area. We specialize in: • Interior and exterior painting • Window installation • Caulking & sealing (interior/exterior) With years of hands-on experience and a passion for precision, we take pride in delivering clean, efficient, and long-lasting results. Whether you’re renovating a home, upgrading your windows, or simply refreshing a space — we’re here to get the job done right. We work with homeowners, contractors, and property managers — and we always focus on clear communication, punctuality, and fair pricing. 📍 Based in Toronto, proudly serving surrounding areas. Let’s build something great together — contact DOD Construction today for a free estimate!

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  • Basement Waterproofing Specialist in Markham

    High quality is the most value for YN , and the projects that we develop always maintain that value. Demolition, renovation and post-construction cleaning.

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  • Basement Waterproofing Specialist in Markham

    I have been working in the construction industry for over 5 years. We are currently working in the greater Toronto area, specializing in renovations, carpentry, drywall, concrete, and demolition/ haulage.

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  • Basement Waterproofing Specialist in Markham

    Murphy's Masonry is a total package residential and commercial masonry contractor servicing the GTA. Our mission is to supply our customers with top quality services at a competitive price. To develop relationships with our clients and our employees that are based on honesty, commitment and loyalty. We will collaborate with you from the beginning phases of your project to the end.

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  • Basement Waterproofing Specialist in Markham

    - Your Complete Deck,Fence And Interior Renovation Experts!** At Cosmos Construction, we specialize in enhancing your home with stunning decks, durable fences, and beautiful interior renovations. Our dedicated team combines quality craftsmanship with exceptional service with over 8 years servicing Toronto and Surrounding Area. **Our Services:** - **Custom Decks:** Personalized outdoor spaces for relaxation and entertainment. - **Durable Fences:** Stylish and secure fencing solutions. - **Interior Renovations:** Transforming your home with modern designs and upgrades. **Why Choose Us?** - **Customer-Focused:** We work closely with you to realize your vision. - **Competitive Pricing:** High-quality services at great value. - **Satisfaction Guaranteed:** Your satisfaction is our priority. Elevate your home with Cosmos Construction. Contact us today for a free consultation!

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  • Basement Waterproofing Specialist in Markham

    40 years in all landscape services with many referrals Fully insured and licenced

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  • Basement Waterproofing Specialist in Markham

    Our goal is to make hiring help feel easy: clear communication, dependable service, and people you can trust in your home. We’re proud of the work we do, and we’re building our business one satisfied customer at a time. If you need a team that’s willing to listen, adapt to what you need, and actually cares about the outcome, we’d love the opportunity to help.

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  • Basement Waterproofing Specialist in Markham

    Hi! My name is Hugo and I offer professional home repair and small renovation services across Toronto and the GTA. If you need quick, clean and affordable work, I’ve got you covered. ✔️ Services I offer: Drywall repair (holes, dents, cracks, full sections) Concrete work (steps, patches, small pours, leveling, custom pieces) Painting (rooms, touch-ups, trim) Flooring repairs Door & frame repairs Caulking & waterproofing Floating shelves installation General handyman repairs Small home projects (wood, plaster, etc. Fast and quality response

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  • Basement Waterproofing Specialist in Markham

    Our team has over 10 years of professional experience serving the GTA area. We are a general contracting company specializing in full basement renovations and complete bathroom remodeling. We are also concrete experts, providing services such as sidewalks, foundations, and separate entrances. In addition, we build high-quality wood and composite decks. We take pride in delivering reliable service and high-quality workmanship on every project.

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  • Basement Waterproofing Specialist in Markham

    GREVA Construction Group Inc. | Drywall, Painting, Concrete & Home Renovations Quality Work. Clear Estimates. A Team You Can Count On. Planning a home improvement or need something repaired? At GREVA Construction Group Inc., we believe hiring a contractor should be straightforward, with clear communication, transparent estimates, and no unnecessary surprises. Based in Woodbridge, Ontario, we serve homeowners throughout Vaughan, Toronto, Brampton, Richmond Hill, and surrounding areas of the Greater Toronto Area (GTA). We specialize in drywall installation and repair, interior and exterior painting, concrete work, and residential renovations, offering practical solutions for projects of different sizes. Why Homeowners Choose GREVA Know What to Expect. We provide straightforward estimates and explain the proposed scope of work so you can make informed decisions. Communication Matters. We believe in being responsive, keeping you informed, and addressing questions throughout the project. Details Make the Difference. From preparation to finishing touches, we focus on careful workmanship and results that last. Your Home Deserves Respect. We aim to maintain an organized workspace, minimize unnecessary disruption, and treat your property with care. Solutions That Fit Your Needs. Whether it's a small repair or a larger improvement, we work to understand your priorities, expectations, and budget. Let's Get Your Project Started From fixing damaged drywall and refreshing your home's interior to repairing concrete or planning a renovation, GREVA Construction Group Inc. is here to help. Tell us about your project and request a personalized estimate. Let's discuss the best way to bring your plans to life. GREVA Construction Group Inc. Woodbridge, Ontario | Serving the GTA Our Services: Drywall Installation & Repair Drywall installation, patching, and repairs Wall and ceiling repairs Taping, mudding, sanding, and finishing Drywall preparation for painting Interior & Exterior Painting Residential painting and repainting Walls, ceilings, doors, and trim Surface preparation and minor wall repairs Painting for renovations and home improvements Concrete Work & Repairs Concrete installation, finishing, and repairs Driveways, patios, walkways, and steps Concrete resurfacing and restoration Residential concrete improvements Home Renovations & General Contracting Interior renovations and remodeling Home repairs and improvements Small and medium-sized renovation projects Project coordination and general contracting

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  • Basement Waterproofing Specialist in Markham

    I specialize in painting, tiling, carpentry, and general building services. With hands-on experience in both small repairs and larger renovations, I focus on delivering quality workmanship, clean finishes, and reliable service for every project.

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  • Basement Waterproofing Specialist in Markham

    We are a new company but with a team of professionals with years of experience in insulation. We are sure that your project will pass any inspection because we work with the best quality.

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  • Basement Waterproofing Specialist in Markham

    Outdoor renovations and repair, concrete, carpentry and excavation work. Will do small interior jobs or handyman repairs. Only take jobs within my expertise and ability to complete properly and in a timely manor.

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  • Basement Waterproofing Specialist in Markham

    Aquaseal masonry and roofing is One of Toronto's Leading Roofing and masonry Companies. Protecting homes and businesses since 2005, one of the roofing and masonry companies Toronto residents trust for superior workmanship and lasting results. Experience, quality materials and fast service to all types of residential, commercial and industrial jobs.

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  • Basement Waterproofing Specialist in Markham
    • Best of Awards 2026

    Waterproofing PD specializes in Waterproofing, Drains, Underpinning, Additions and many more. Using best products available for the job, no corners cut. We do all the jobs in the house, no sub-contracting. Also offering amazing 25 year warranty that is fully transferable on all our waterproofing jobs. We also do Underpinning, Walkouts, Concrete floors, Additions excavations and foundations , Slab on grade. *** Services Included: *** Exterior waterproofing Interior waterproofing Sump Pump Drain repair Pipe Burst Waterline service Backwater valve Underpinning Addition excavation and build Concrete floors Slab on grade *** We are fully licensed and insured. City of Toronto Rebates Available!!

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  • Basement Waterproofing Specialist in Markham

    Albert Hamilton is a North York based Landscaping Company, Mason, Concrete Specialist, General contractor, Flooring Contractor, Tiler, Paving Contractor & Pool company company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install concrete floor, pave outdoor and garden, landscape curbing & brick and stone flatwork repair, message us so we can assist you and arrange a quote.

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4.9

Top rated Basement Waterproofing Specialists

Our Basement Waterproofing Specialists in Markham, are rated 4.9 out of 5 based on 46 reviews from homeowners like you.

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What basement waterproofing services are available in Markham?

Pros can waterproof basements from the interior, the exterior, or using a combination of techniques. The right service depends on whether you need full waterproofing or just touch-ups.

Here are some common basement waterproofing services in Markham:

  • Installation of interior drainage systems: a perimeter drain installed along the interior footing collects and redirects water to a sump pit for removal.
  • Sump pump installation and replacement: often handled by a plumber, a pump installed in the sump pit removes accumulated groundwater and directs it away from the foundation.
  • Exterior waterproofing: excavation around the foundation allows for membrane application and drainage board installation to block water at the source.
  • Crack injection: epoxy or polyurethane foam is injected directly into foundation cracks to seal them against water intrusion.

No matter your needs, it’s easy to find basement waterproofing pros near you who can help. Just post your project on HomeStars now, and available contractors in your area can reach out!

What are the average costs of basement waterproofing pros in Markham?

Basement waterproofing costs vary widely depending on the method, the size of the foundation, and where repairs are concerned, the extent of the damage. Labour typically runs between $50 and $150 per hour, depending on the service and complexity of the job. Materials and equipment, such as excavation machinery, may add additional costs.

Typical costs for common basement waterproofing services in Markham:

  • Installation of interior drainage systems: between $3,000 and $10,000 for a full perimeter system in an average-sized basement
  • Sump pump installation and replacement: between $500 and $2,000 depending on pump type and whether a backup system is included
  • Exterior waterproofing: between $10,000 and $30,000 depending on foundation size and depth of excavation required
  • Crack injection: between $300 and $800 per crack depending on length, depth, and material used

HomeStars tip: To ensure you get the most accurate costs for Markham, make sure to get everything written down in an itemized quote. This avoids misunderstandings and supports transparency and clear communication for both you and the contractor.

How to find basement waterproofing specialists in Markham with HomeStars

Finding a basement waterproofing pro in Markham can feel overwhelming, especially when water damage requires prompt attention. HomeStars makes it easy to connect with the right pro for your project. Just follow these simple steps:

  1. Start by posting your project. Provide a clear description of your basement waterproofing needs and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history, and read customer feedback for basement waterproofing in Markham.
  3. Connect with basement waterproofing specialists in Markham to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience.

HomeStars tip: Once your project is done, make sure to leave a review. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

Pros on HomeStars undergo checks at registration – such as ID documents, company details, and certifications for regulated jobs and skill assessments – allowing you to hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

FAQ: Common questions about basement waterproofing in Markham

How long does basement waterproofing last in Markham?

Most professional waterproofing solutions in Markham are designed to last 10 to 25 years depending on the method used and the quality of installation. Sump pumps typically require replacement every 7 to 10 years.

Will waterproofing fix existing mould in my basement?

Waterproofing addresses the source of moisture but will not remove mould that has already formed. A separate mould remediation service is typically required before or after waterproofing work is completed.

What if my basement waterproofing project in Markham requires excavation?

Exterior waterproofing projects in Markham often require excavation around the foundation, which adds complexity, time, and cost to the overall job. It is important to work with pros who can coordinate this process effectively. Local excavation specialists are available on HomeStars to walk you through what to expect and collaborate with your preferred basement waterproofing pro.

Does homeowner insurance cover basement waterproofing in Markham?

In most cases, standard home insurance policies do not cover waterproofing as it is considered a maintenance issue rather than sudden damage. However, water damage resulting from a specific event such as a burst pipe may be covered. It is worth reviewing your policy or speaking with your insurance provider for clarification.

How do I know if a basement waterproofing pro is right for my project?

Not all waterproofing projects are the same, and finding a pro with the right experience for your specific situation is important. Reading reviews from homeowners who have had similar work done can help you make a more informed decision. Browse basement waterproofing pros on HomeStars to compare ratings and reviews from real homeowners in Markham.

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