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Find basement waterproofing pros in Ajax, Durham

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 Ajax, Durham. 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 Ajax, Durham

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  • Basement Waterproofing Specialist in Ajax, Durham

    NO LIMIT SEALING — Trusted Surface Restoration Experts in the GTA Serving Vaughan, Toronto, Richmond Hill, Markham, North York and surrounding areas. We specialize in professional asphalt, interlock, concrete, and natural stone restoration & maintenance for both residential and commercial properties. Our approach is simple: do it right the first time — no shortcuts, no compromises. Every project is completed with proper preparation, premium materials, and attention to detail that ensures long-lasting results. Our Services: • Driveway, Walkway, Patio & Porch Restoration • Asphalt Sealing (Oil-Based) & Repairs • Interlock Restoration (Pressure Wash, Re-Sand, Repairs, Sealing) • Concrete Sealing & Surface Protection • Natural Stone Sealing, Repairs & Replacement • Deck & Fence Staining & Wood Restoration • Hot Rubberized Crack Filling (350°F professional application) • Garage Ramp Installation • Asphalt Patching (Hot Mix) & Structural Repairs • Pressure Washing & Deep Surface Cleaning • Catch Basin Repair & Maintenance • Parking Lot Line Painting & Professional Layout Why Homeowners & Property Managers Choose Us: • Premium Canadian-grade materials • Proper preparation — the key to long-lasting results • Clean, precise work with full surface protection • Reliable scheduling & professional execution • Consistent 5-star experience across the GTA

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  • Basement Waterproofing Specialist in Ajax, Durham

    Welcome to Masters Concrete – Strong Foundations, Solid Results At Masters Concrete, we’re a trusted general contractor with over 10 years of experience specializing in concrete and structural work for both residential and commercial projects across the GTA. We focus on footings, concrete walls, slabs, foundations, underpinning, extensions, additions, separate entrances, and garden suites. Whether you're building new, renovating, or upgrading, we bring expert knowledge and quality workmanship to every job. What We Offer: • Concrete Footings, Walls & Slabs • Foundation & Underpinning Work • Home Additions & Extensions • Basement Lowering & Separate Entrances • Garden Suites & Secondary Units • Residential & Commercial Projects We own and operate our own equipment and work with a team of skilled trades and laborers to ensure efficient, professional results—on time and on budget. Why Choose Us? • 10+ years of hands-on experience • Fully licensed and insured • Reliable, honest, and detail-focused • Clean, safe, and professional job sites • Clear communication from start to finish If you need a dependable contractor who specializes in strong structures and clean finishes, look no further than Masters Concrete.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Hello, I am in this business for about 30 years. I offer services in various areas of construction masonry to concrete and general construction ( such as fence, roof, building gazebo, floor etc.). I can provide services ranging from repairs to building new things. I can travel to various locations in Ontario; if you are nearby, I can visit you, and if not, I can provide you with a quote over the phone. I enjoy my work, I usually offer a guarantee on my work, and I can provide payment flexibility upon request.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Hello,my name is Mykhailo I have been doing various types of construction work for 3 years -Tiling -Painting -floor instalation - insulation (Pipe,duct,wall,firewrap ins.) -Fire stops -furniture assembly Always happy to cooperate! Thank you.

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  • Basement Waterproofing Specialist in Ajax, Durham

    ROC Building Group was founded in 2022 with a clear goal: bring the discipline and accountability of a modern contractor to a trade that had gone too long without it. We don't subcontract. We don't send generalists. Every job is handled by masonry specialists who take personal pride in the work they put their name on. Whether you're building a new home, restoring a heritage facade, or laying a custom stone patio, you'll get a straight answer, a fixed price, and a team that shows up when it says it will.

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  • Basement Waterproofing Specialist in Ajax, Durham

    My name is Mitchell, and I am the owner of HG contracting and I’m excited to offer exclusive, competitive pricing for all renovation and remodelling needs — big or small. From modern updates to full renovations, my team and I are committed to delivering top-quality craftsmanship and personalized service you can trust. Let’s build something beautiful, from concept to completion! HG Contracting 📍 Based in Toronto & the GTA | ✅ Our Services Include: Home renovations & additions Kitchen & bathroom remodels Decks, fences & outdoor spaces Flooring, drywall, painting, trim work Commercial buildouts & maintenance Custom projects tailored to your needs 🔨 Quality workmanship – done right the first time 📅 Flexible scheduling and quick turnaround times

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  • Basement Waterproofing Specialist in Ajax, Durham

    Reliable, dedicated hardworking individual who puts customers and quality first.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Professional contractor has been working indoor and outdoor projects, such as full renovation, house extension, fence, deck and interlocking.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Founders Built is a distinguished construction firm serving the Greater Toronto Area, known for our comprehensive approach to both commercial and residential projects. As reputable builders, contractors, and project managers, we pride ourselves on being a one-stop shop for all your property enhancement needs. With a steadfast belief that no project is too grand or modest, our slogan, "No job is too big nor small, Founders deal with it all," reflects our dedication to tackling every task with the highest level of professionalism and precision. Our mission is to deliver top-tier results, ensuring that every client’s vision is realized with the utmost quality and efficiency.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Our specialized service for concrete work are the grading, placing and finishing of flatwork basements, garages, steps, walkouts, porches, patios, coldrooms, sidewalks, curbs, retaining walls, bollards, pillars, coloums and high and low rise slab pours for development sites.

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  • Basement Waterproofing Specialist in Ajax, Durham

    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 Ajax, Durham

    My name is Timothy Lekas, and I’ve been working in the construction industry for nearly a decade. Over the years, I’ve gained hands-on experience in a wide range of projects—from concrete pads, fences, and decks to full renovations, new builds, and custom homes. I take pride in delivering quality work that lasts, whether it’s flooring, furniture building and installation, or essential details like vapour barriers and insulation. My focus is on creating reliable results and making every project as seamless as possible for my clients.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Strong communication, reading, numeracy, problem-solving & planning skills Ability to interpret specifications and shop drawings Ability to work with machinery & power tools

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  • Basement Waterproofing Specialist in Ajax, Durham

    We carry out all concrete-related work, including foundation, footing, concrete slab, and concrete stairs.

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  • Basement Waterproofing Specialist in Ajax, Durham

    We are a full-service contracting company specializing in drywall, painting, concrete work, fencing, and general residential construction. Our goal is simple: deliver clean, high-quality work with a smooth, stress-free experience for every client. From small repairs to full projects, we handle everything from start to finish. Whether you need drywall installation and finishing, interior or exterior painting, concrete work such as driveways and walkways, or custom fence installation, we bring attention to detail, reliability, and strong workmanship to every job. As a general contractor, we also take care of coordinating projects that involve multiple trades, so you don’t have to deal with multiple contractors. We keep communication clear, timelines on track, and make sure the job is done right the first time. We pride ourselves on being dependable, easy to work with, and focused on results that last. No shortcuts — just solid work and satisfied clients.

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  • Basement Waterproofing Specialist in Ajax, Durham

    Scorpio Contracting Tired of bad contractors? We get it. Delays, messy work, and empty promises — that’s exactly what we don’t do. At Scorpio Contracting, we focus on clean, efficient work done on time. No shortcuts, no guessing — just solid results you can rely on. We specialize in: • Bathroom renovations • Basement renovations • Electrical work & lighting Every project is handled with attention to detail and clear communication from start to finish. If you want your project done properly the first time — we’re the team to call.

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4.8

Top rated Basement Waterproofing Specialists

Our Basement Waterproofing Specialists in Ajax, Durham, are rated 4.8 out of 5 based on 23 reviews from homeowners like you.

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What basement waterproofing services are available in Ajax, Durham?

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 Ajax, Durham:

  • 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](https://www.homestars.com/plumbing/plumber-pros/Ajax, Durham), 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 Ajax, Durham?

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 Ajax, Durham:

  • 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 Ajax, Durham, 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 Ajax, Durham with HomeStars

Finding a basement waterproofing pro in Ajax, Durham 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 Ajax, Durham.
  3. Connect with basement waterproofing specialists in Ajax, Durham 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 Ajax, Durham

How long does basement waterproofing last in Ajax, Durham?

Most professional waterproofing solutions in Ajax, Durham 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 Ajax, Durham requires excavation?

Exterior waterproofing projects in Ajax, Durham 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](https://www.homestars.com/gardening-outdoors/excavation-specialist-pros/Ajax, Durham) 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 Ajax, Durham?

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 Ajax, Durham.

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