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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

    InnoGreen Solutions operates as an Ontario-based residential mechanical and building science partner, providing whole-home infrastructure upgrades across the Greater Toronto Area, Golden Horseshoe, Niagara Region, and Cottage Country. Engineered specifically for the demands of the Canadian climate, the firm manages the multi-disciplinary requirements of modern residential properties—spanning high-efficiency climate control, domestic water systems, building envelope optimization, and energy program administration. The company’s technical scope encompasses the installation of cold-climate heat pumps, high-efficiency gas furnaces, central air conditioning, multi-zone ductless mini-splits, tankless water heaters, hybrid heat pump tanks, whole-home water filtration, blown-in attic insulation, and precision air-sealing. Rather than relying on guesswork, InnoGreen Solutions utilizes an assessment-first methodology to evaluate a property's true thermal load, pairing clear, itemized proposals with seamless navigation of energy advisor assessments, provincial rebates, and financing options. TSSA contractor - 313D - 2M Liability Insurance - WSIB - All technicians G or G2 certified. Background Checked.

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  • Basement Waterproofing Specialist in Markham
    • Best of Awards 2026
    • Best of Newly Listed 2025

    Welcome to Sehrii Builds Family Company! We are a family-owned construction business with over 20 years of experience, originally from Ukraine and proudly serving Toronto and the GTA. Our team delivers high-quality workmanship, expert advice, and attention to every detail, ensuring your project is done safely, efficiently, and beautifully. At Sehrii Builds, we understand that your home is an investment. That’s why we treat every project with care, striving to create results you’ll enjoy and be proud of for years to come. Our Services Include: Exterior: • Fences & Gates • Decks & Stairs • Gazebos • Landscape Design • Interlocking Stone Work & Stone Slabs • Porch Restoration & Repair • Retaining Walls • Windows & Doors Installation • Siding Interior: • Kitchen Renovations • Bathroom Renovations • Basement Renovations • Flooring • Painting & Drywall • Handyman Services ✅ Choose Sehrii Builds Family Company for trusted, professional construction services that transform your home and add lasting value. 📞 Contact us today to discuss your project!

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  • Basement Waterproofing Specialist in Markham
    • Best of Awards 2026
    • Best of Newly Listed 2024

    WHY CHOOSE US? Lifetime Warranty As a reputable Toronto waterproofing/concrete/drain/landscape contractor, our team is highly dedicated and fully licensed, and insured. We prioritize utilizing top-quality materials and industry-leading standards to deliver exceptional results on every project. Our focus on providing the best value in the Greater Toronto Area sets us apart. From working closely with architects and designers to achieve beautiful, functional structures to expertly managing each project, we're here to bring our extensive construction experience to your next project! Free and Fast Estimate At Stellar Work, we understand that making the decision to waterproof your property or undertake any renovation can be a significant step. That's why we're here to guide you through the process. We offer a no-obligation consultation where one of our expert specialists will explain the process in detail and answer any questions you may have. We provide you with a fast and free estimate for our services, which range from basement waterproofing to foundation repair, concrete works, landscaping, drain and more. We are committed to providing competitive pricing so that you can have peace of mind about your renovation investment. It's your first step towards a more secure property. Client-Oriented Provider At our company, we pride ourselves on providing a comprehensive client experience from start to finish. This includes effective communication, accurate budgeting, appropriate staffing, efficient on-site organization, and consistent high-quality workmanship. Our waterproofing, concrete, drain and landscape experts in Toronto are dedicated to ensuring every project is completed to the client's satisfaction and exceed their expectations. With our end-to-end service, you can trust us to handle every aspect of your project with the utmost care and professionalism.

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  • Basement Waterproofing Specialist in Markham

    MR WATERPROOFING has been operating in GTA for over a decade now with 10+ years of industry exp, Leading Provider Of Waterproofing Solutions For Commercial & Residential Buildings

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  • Basement Waterproofing Specialist in Markham

    We are a company that has all the experience and work done entirely by Mexican hands, we have services in concrete, partition walls, fireplaces, steps, parging and more.

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  • Basement Waterproofing Specialist in Markham
    • Best of the Best 2025
    • Best of Awards 2026

    DrainWorks Plumbing is a customer-first, Toronto-based plumbing company providing full plumbing services, drain cleaning, drain repair and drain replacement. All our plumbers are 100% licensed, insured and commission-free! We take great pride in being one of the most reviewed companies on HomeStars in North America! We are also proud to say that we have been chosen (twice) as the "best plumber in the city" by Toronto Life magazine, as evidenced by their "Busy person's survival guide" issue. High praise from a wonderful and trusted publication! We employ full-time salaried plumbers rather than commission-based plumbers that are motivated to up-sell you. All of the DrainWorks plumbers in Toronto and surrounding areas are fully licensed, insured, and professionally trained. We are also proud to say that 100% of our employees have been with us for 10 years or more. Finally, an experienced local plumber near you that you can trust and rely on! Further, we've had the honor of being one of a select few companies across all trades, hand picked by Gemini award winning TV host and contractor, Bryan Baeumler, of HGTV's Leave it to Bryan and Disaster DIY to be Baeumler Approved. A high mark of quality, indeed. You can count on DrainWorks for all your plumbing and drain-related needs in Toronto. Our plumbers are ready for your call with clear and upfront pricing and will always arrive on-time and fully prepared with everything they can foreseeably need. DrainWorks Plumbing also likes to help and support our local Toronto community and charities, such as for the Easter Seals and SickKids Foundation. Please take a few moments to read these plumbing reviews from our customers, so you too can learn about and take advantage of the ‘DrainWorks Difference’. We hope you choose us for your next call to the plumber!

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  • Basement Waterproofing Specialist in Markham

    Rock Solid Construction Inc. is a trusted renovation company based in Toronto, proudly serving both downtown and the Greater Toronto Area. We are committed to delivering high-quality craftsmanship, exceptional service, and reliable project timelines to ensure a seamless experience for our valued clients. Whether it’s a commercial or residential project—big or small—we approach every job with dedication, precision, and a commitment to excellence. At Rock Solid Construction Inc., our mission is simple: to bring your vision to life and leave every customer fully satisfied with the results.

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  • Basement Waterproofing Specialist in Markham

    Masons Edge offer residential, institutional and commercial services for 32 years. Our Services: Install Brick and Stone Floors/ Blocks, Walls, Brick and Stone Flatwork Repair, poured concrete floors and walls,excavation

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  • Basement Waterproofing Specialist in Markham

    My name is Shaun, and I’m a professional contractor serving the Greater Toronto Area and surrounding regions. With over a year of hands-on experience, I’ve built a reputable and fast-growing business rooted in quality, reliability, and customer satisfaction. I specialize in epoxy flooring, including flake systems and metallic finishes, offering durable and visually striking results. I also have strong expertise in landscaping—from interlock and stonework to grading, sod, and retaining walls—executed with precision by our skilled team. As part of Verified Canada, a trusted contracting group, we also offer licensed electrical services, including panel upgrades, lighting, rewiring, and more. Our team of certified professionals ensures every job meets the highest standards. Verified Canada operates several divisions, including @epoxy.verified on Instagram, and collaborates with some of the most respected trades in the region. We are committed to excellence, professionalism, and delivering results our clients can trust!

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  • Basement Waterproofing Specialist in Markham

    Power Build Solutions delivers full-scope construction and renovation solutions for residential, commercial, and industrial projects across Toronto and the GTA. We focus on making projects easier for our clients by managing the work from start to finish. Our team takes a problem-solving approach, handling changes, challenges, and coordination so you don’t have to juggle multiple contractors or deal with unnecessary stress. From planning to completion, we prioritize clear communication, accountability, and dependable results. Whether the project is straightforward or complex, we step in, take ownership, and deliver solutions you can rely on.

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  • Basement Waterproofing Specialist in Markham

    Royal Plumbers are dedicated plumbing perfectionists in Toronto & GTA Regions, who understand the value of your time. Our reliable plumbing services help provide beauty, convenience, and value to your Toronto home. Royals superior knowledge of both vintage plumbing and radiators owes much to their fathers experience of over 50 years. Royal Plumbers rock solid reputation is built on customer care and support: Every customer is important, every community addressed, every problem given proper consideration. Showers & Bathtubs, Toilet Plumbing, Sinks & Faucets, Gas Pipe Repairs / Installations, In-Line Camera Inspection, Leaks, Frozen & Pressure, Sump Pumps, Faucets & taps, Washers/Cartridges, Low water pressure fixes, Appliances involving water, Sinks, tubs, showers, Unplug drains, toilets, sinks, Water heater tanks, Grease traps, Pipe work, Frozen pipes thawed, In-Line video/Camera inspection, Sewage & drain cleaning, Boilers installation and repair, Gas Pipe Repair And Installation Tankless water heaters, flood and water damage, gas leaks, safety inspections , tree root damage,rotting pipes,water line replacement , copper piping repair

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  • Basement Waterproofing Specialist in Markham
    • Best of the Best 2025
    • Best of Awards 2025

    SHG for the last 24 years has build numerous single and multi residential Homes . We specialize in Design Build Custom Homes, Additions, Extensions, Underpinning. Entire construction is done by our insured Company employees, all of whom carry WSIB. We are Vertically integrated company. Which means we do Foundation (Including Underpinning, Walk-out and all related concrete forming and Pouring), Framing, Roof, Insulation, Drywall, Mudding, Tapping, Sanding, Tiling, Flooring, Trim, Doors, Locks, Installing all Fixtures In-House with 28 Dedicated employees all of whom are covered by WSIB. We are not depended on Sub-trades. Therefore we do not charge Project Management fee. We have dedicated Hvac, Electric and Plumbing Licence companies that work with us all year long. The process starts by preparing a detailed scope of work with PRECISE price and time frame for the entire project. We have numerous Home owners who have become our loyal advocates. SHG is a vertically integrated company which passes on savings to you. We have a team of Designers, Architects and Engineers to help you create precise Design oriented, meticulous attention to finishing, permit drawings based on your needs, wants and requirements. SHG is with you all through the process. We thank you for visiting our profile. Team SHG looks forward to providing highly professional, patient and organized approach for your project.

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  • Basement Waterproofing Specialist in Markham

    Handyman Services – Durham Region | Drywall, Painting, Trim, Repairs Looking for a reliable handyman in Durham Region? I provide professional home repair and improvement services in Whitby, Oshawa, Ajax, Pickering, Courtice, Bowmanville, and surrounding areas. Perfect for homeowners, landlords, and real estate prep work. Handyman Services: • Drywall repair and patching • Interior painting • Baseboards, trim, and wainscoting • Door installation and adjustments • Popcorn ceiling removal • Light fixtures and ceiling fan installation • TV mounting and wall installations • Furniture assembly (IKEA, Wayfair, etc.) • Caulking and finishing work • General home repairs and maintenance If you have a small renovation or repair job, I can help get it done quickly and properly. Availability: I currently accept jobs evenings and weekends only, which is perfect for homeowners who prefer work done outside regular daytime hours. Why choose me: ✔ Quality workmanship ✔ Clean and professional ✔ Honest pricing ✔ Flexible scheduling ✔ Free estimates Serving the Durham Region: Whitby, Oshawa, Ajax, Pickering, Courtice, Bowmanville

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  • Basement Waterproofing Specialist in Markham

    SLCoating is a driveway care service focused on sealcoating, pressure washing, and exterior cleaning work. The goal is to restore worn asphalt, improve curb appeal, and help protect surfaces from weather damage and aging. Services also extend to basic car detailing and cleaning add-ons depending on the job.

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  • Basement Waterproofing Specialist in Markham

    Welcome to SMYRNA Construction – Your Premier Choice for Outdoor Excellence in the Greater Toronto Area and Beyond! About Us: With a legacy spanning many successful years, SMYRNA Construction is a seasoned leader in the construction industry. Specializing in interlocking stone, decks, fences, and porch builds, we have transformed countless outdoor spaces, making homes shine with our expert craftsmanship. Service Areas: While based in the Greater Toronto Area, we proudly extend our services to Barrie, Hamilton, Durham Region, Ajax, and Pickering. Our team is dedicated to enhancing the beauty of homes across these regions, delivering top-notch quality with every project. Comprehensive Outdoor Solutions: SMYRNA Construction takes pride in offering a wide array of outdoor services. Whether it's interlocking stone pathways, stunning decks, robust fences, or porch builds that you desire, we have the expertise to turn your vision into reality. Attention to Detail and Quality: At SMYRNA Construction, attention to detail is our hallmark. We believe in infusing each project with precision and unmatched quality. Our skilled team ensures that every element, from design to execution, reflects our commitment to excellence. Commercial and Emergency Services: SMYRNA Construction is equipped to handle both commercial and emergency requests. Whether it's a business space or a last-minute repair, our responsive team is ready to deliver prompt and reliable solutions, making your outdoor project stress-free. Exclusive Offer: Take advantage of our commitment to customer satisfaction with a 10% discount on your quotes. We believe in providing value while ensuring that your outdoor dreams come to life within budget. Free Quotes and Estimates: Curious about the cost of transforming your outdoor space? Contact us today for a free quote and estimate. SMYRNA Construction is dedicated to transparent communication, helping you plan your project with clarity and confidence. Experience the SMYRNA difference – where customer satisfaction, attention to detail, and top-tier quality converge to create outdoor spaces that truly shine. Contact us for a consultation and let's bring your vision to life!

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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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