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Find basement waterproofing pros in Oshawa

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 Oshawa. 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 Oshawa

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  • Basement Waterproofing Specialist in Oshawa

    I bring a hands-on approach and a sharp eye for detail, ensuring your project is completed on time and within budget.

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  • Basement Waterproofing Specialist in Oshawa

    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 Oshawa

    Reliable and skilled drywall and landscape professional with 4+ years of experience in the industry. I am a hard worker who values punctuality, honesty, and responsibility above all. Dedicated to providing top-tier drywall installation and repair services with a sharp attention to detail

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  • Basement Waterproofing Specialist in Oshawa

    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 Oshawa

    I’m doing 12 years but company registers 3 years ago , inside and outside job have experience for finishing jobs .

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  • Basement Waterproofing Specialist in Oshawa

    Maple City Home Repair & Renovations is your trusted local partner for reliable, high-quality residential repair and renovation services. We specialize in protecting, restoring, and improving homes with expert craftsmanship and dependable service. Our services include: Water damage repair and waterproofing Roofing installation, maintenance, and repairs Foundation crack repair and structural reinforcement Basement renovations and finishing Full home renovations and remodeling Driveway repair, paving, and restoration Chimney repairs and rebuilding Concrete step and walkway repairs Whether you need emergency repairs, preventative maintenance, or a complete home upgrade, Maple City Home Repair & Renovations delivers durable solutions tailored to your property and budget. We take pride in honest workmanship, attention to detail, and customer satisfaction on every project. From the foundation to the roof — we help keep your home strong, safe, and beautiful.

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  • Basement Waterproofing Specialist in Oshawa

    Helix Home Supplies is a full-service renovation company capable of handling complete projects from A to Z. We manage every stage of the renovation process, including planning, material supply, demolition, framing, plumbing and electrical coordination, drywall, finishing, and final installation. Our team focuses on delivering high-quality workmanship, efficient project management, and reliable timelines for residential and commercial spaces. From small upgrades to full home renovations, we provide end-to-end solutions tailored to client needs with a strong commitment to durability and professional standards.

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  • Basement Waterproofing Specialist in Oshawa

    At J.Cameron Construction, we believe concrete isn’t just about building driveways, patios, walkways, and stairs—it’s about building trust, adding beauty, and creating spaces that last for decades. Serving the Greater Toronto Area, we specialize in high-end residential concrete installations that combine craftsmanship, durability, and design. Every project is completed with meticulous attention to detail, reinforced to industry standards, and backed by insurance and WSIB compliance for your peace of mind. Our typical clients are homeowners who expect more than “just concrete.” They want projects that elevate curb appeal, increase property value, and stand up to Toronto’s toughest freeze-thaw cycles. That’s why we use only premium materials, proven methods, and skilled professionals who take pride in their work. From decorative finishes and pool decks to custom stairs and seamless patios, our goal is simple: deliver results you’ll be proud to showcase for years. When you choose J.Cameron Construction, you’re not just hiring contractors—you’re partnering with a team committed to quality, professionalism, and lasting value. Let’s build something exceptional together.

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  • Basement Waterproofing Specialist in Oshawa

    TSL Contracting is a company that puts quality over profit and is here to make any project something worth showing off. Landscaping contractors with full service in design and installation. Serving the GTA and surrounding areas with integrity and honor. Call or email us today to get quick response and even quicker answers to deal with any job.

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  • Basement Waterproofing Specialist in Oshawa

    Interlock,Concrete,Landscape Renovations and New build We don’t just pave; we engineer landmarks. From high-traffic estate driveways to intricate natural stone retreats, our interlock work is defined by structural perfection and a refined aesthetic that commands attention.

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  • Basement Waterproofing Specialist in Oshawa

    Borna Construction Solutions Inc., we bring over 18 years of experience delivering high-quality construction and renovation services across the GTA. As an HCRA-licensed builder (B64119), we specialize in custom homes, full home renovations, kitchen and bathroom remodeling, basement finishing, and construction management. Whether you’re building a new home, planning a major renovation, or need an expert to manage your project and trades, we’re here to make the process smooth, transparent, and stress-free. Our team is committed to craftsmanship, clear communication, and staying on time and within budget. We work closely with homeowners, designers, and consultants to bring your vision to life—every detail matters. From design to final inspection, we stand behind the quality of our work and offer warranties to ensure your long-term satisfaction. At Borna Construction, we don’t just build spaces—we build trust. Contact us today for a free consultation, and let’s build something great together.

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  • Basement Waterproofing Specialist in Oshawa

    At Evercrest Construction, craftsmanship is more than a skill — it’s our legacy. With over 25 years of proven experience, we have built our reputation as one of the Greater Toronto Area’s most trusted names in roofing and masonry. Our foundation is rooted in a deep respect for quality, precision, and enduring design. From residential homes to large-scale commercial projects, every structure we touch reflects our unwavering commitment to excellence. Our team is composed of highly trained professionals who take pride in their artistry. We blend time-honored building techniques with modern innovation to create results that are both structurally sound and visually refined. Whether it’s repairing a historic stone façade, designing intricate brickwork, or installing a complete roofing system, we approach every project with the same meticulous attention to detail and dedication to lasting performance. At Evercrest Construction, we believe that true craftsmanship goes beyond construction — it’s about building relationships based on trust, transparency, and reliability. Our clients value not only the quality of our work but the professionalism, integrity, and care that define every stage of our process.

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  • Basement Waterproofing Specialist in Oshawa

    Cestrum Home Design & Innovation Corp. is a professional renovation and interior design company based in North York, serving Toronto and the entire GTA. We specialize in full-service home renovations, including: Main floor and full-home renovations Basement finishing and remodelling Custom kitchens and luxury bathrooms 3D design renderings and project planning Professional residential painting Interior design and space optimization Our team brings over 15 years of hands-on experience, combining architectural knowledge, advanced 3D visuals, and fine craftsmanship to deliver elegant and functional spaces. From modern open-concept remodels to classic basement upgrades, we ensure every project is delivered on time, on budget, and with long-lasting results. At Cestrum, client satisfaction is our top priority. Whether you’re updating a condo, remodeling a family home, or transforming a basement into a legal suite, we guarantee quality, clarity, and care — from concept to completion.

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  • Basement Waterproofing Specialist in Oshawa

    "At GMA CONCRETE, we specialize in providing solid solutions and high-quality finishes for your property. We have extensive experience in all types of concrete projects, including driveways, patios, walkways, and structural or decorative repairs. In addition to our concrete expertise, we offer comprehensive handyman services to handle all your home or business maintenance and repair needs. We pride ourselves on our punctuality, job-site cleanliness, and an unwavering commitment to the durability of every project. At GMA CONCRETE, we work with precision to turn your ideas into lasting realities. Contact us today for a free, no-obligation estimate!"

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  • Basement Waterproofing Specialist in Oshawa

    We specialize in making sure your home has insulation correctly installed and exact amount in order to meet R Values. Our team is specialized in removal and installation of drywall and even as far as plastering and painting.

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  • Basement Waterproofing Specialist in Oshawa

    We are an experienced construction team with a proven track record in a wide range of projects, including commercial, industrial, and residential work. Our crew has handled everything from insulation and drywall to full-scale renovations and mechanical system installations. With years of hands-on experience, we bring reliability, technical skill, and efficiency to every job site. Our company is based in Toronto and we operate throughout the GTA, with the flexibility to travel across Ontario and beyond depending on project needs. We are fully equipped and mobile, ready to take on both short - and long-term assignments. Our team specializes in high-quality insulation work (including fire wrap, piping, rooftop systems, etc.), as well as general construction services. We pride ourselves on working quickly, safely, and within strict deadlines - without compromising on quality. All crew members are trained, dependable, and capable of working independently or alongside other trades. Clients choose us because we are organized, results-driven, and easy to work with. We value professionalism, clean execution, and doing the job right the first time. If you're looking for a team that gets it done - we’re ready.

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3.7

Top rated Basement Waterproofing Specialists

Our Basement Waterproofing Specialists in Oshawa, are rated 3.7 out of 5 based on 3 reviews from homeowners like you.

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What basement waterproofing services are available in Oshawa?

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 Oshawa:

  • 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 Oshawa?

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 Oshawa:

  • 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 Oshawa, 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 Oshawa with HomeStars

Finding a basement waterproofing pro in Oshawa 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 Oshawa.
  3. Connect with basement waterproofing specialists in Oshawa 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 Oshawa

How long does basement waterproofing last in Oshawa?

Most professional waterproofing solutions in Oshawa 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 Oshawa requires excavation?

Exterior waterproofing projects in Oshawa 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 Oshawa?

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 Oshawa.

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