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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

    Experience Excellence with EL Empire Construction At EL Empire Construction, we are committed to setting a higher standard in exterior construction. Specializing in roofing, custom decks and fencing, concrete solutions, landscaping, and asphalt paving, we deliver tailored, high-quality workmanship backed by integrity, efficiency, and lasting value. Whether enhancing residential curb appeal or executing large-scale commercial projects, our team brings precision, professionalism, and over a decade of industry expertise to every site. We don’t just build structures — we build trust. Our end-to-end project management ensures transparency, clear communication, and results that exceed expectations. Choose EL Empire Construction — where craftsmanship meets commitment.

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  • Basement Waterproofing Specialist in Oshawa

    Hi there my name is Josh I have been working in the trades for 18 years now. I specialize in residential and commercial construction from roofs to interior fixes. Basement finishes from just cleaning up the area as a simple finish to making a legal rental unit for extra income or room for family members to move in. I have a working relationship with contractors for licensed electrical and plumbing etc to get a quality long lasting finish. I am hands on with the trades to ensure the job gets done in timely manner and clean and safe working environment. I am up to date with building codes. Also excellent time management skills. Any further questions please don’t hesitate to reach out. Thanks again.

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  • Basement Waterproofing Specialist in Oshawa

    ELJ Contracting delivers high-quality craftsmanship, reliable project management, and tailored solutions for your residential and commercial needs. From concept to completion, we pride ourselves on clear communication, attention to detail, and building spaces that last.

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  • Basement Waterproofing Specialist in Oshawa

    Karbo Legacy Contractors is a Scarborough based General contractor, Window Contractor, Kitchen Renovation Company, Handyman, Landscaping Company, Carpenter, Bathroom Renovation Company, Concrete Specialist, Garage Specialist, Condominium/Apartment Specialist, Interior decorator, HVAC contractor, Plumber, Tiler, Interior designer, Architect, Cabinet maker, Metal worker, Mason, Demolition company & Pool company company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with house renovation, install or renovate bathroom, install or renovate kitchen, build sunroom, extension, build garage, build or renovate basement, build pergola, gazebo or garden house, build carport, install or replace beam, install or repair lift/elevator, build shed, general contractor service, structural work for construction, build shelter or outbuilding, carpentry framing, install, repair or replace caulking & accessibility modifications, message us so we can assist you and arrange a quote.

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  • Basement Waterproofing Specialist in Oshawa

    Top Notch Services provides an extensive range of renovation solutions for both residential and commercial settings, ensuring that no job is too small or too big for our team of experts. With over 15 years of experience, we pride ourselves on delivering high-quality craftsmanship and exceptional customer service. Our skilled professionals are committed to treating every project with the utmost care and attention to detail, just as if it were our own home. Whether you're looking to transform a single room or undertake a large-scale renovation, Top Notch Services is dedicated to bringing your vision to life with efficiency and excellence. Please contact of a quote.

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  • Basement Waterproofing Specialist in Oshawa

    At Carrigan Contracting, we build, repair, and restore with precision and pride. • Brick, Stone & Block Work • Steps, Walkways, & Patios • Retaining Walls & Repairs • Chimney & Foundation Restoration Whether it’s a new build or a restoration, our craftsmanship speaks for itself. Get your free quote today and see why homeowners trust Carrigan Contracting for quality that lasts.

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  • Basement Waterproofing Specialist in Oshawa

    Hard working, honest and kind

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  • Basement Waterproofing Specialist in Oshawa

    With 35 years of extensive experience in the civil engineering and construction sector, I bring a wealth of technical expertise and a commitment to precision. I specialize in delivering high-quality, reliable solutions tailored to meet project requirements. Dedicated to excellence, I ensure every project is completed with professionalism and attention to detail.

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  • Basement Waterproofing Specialist in Oshawa

    Need a Painter, HVAC contractor, Plasterer, General contractor, Window Contractor, Security specialist and business services, Flooring Contractor, Electrician, Handyman, Landscaping Company, Carpenter, Paving Contractor, Roofing specialist, Tiler, Upholsterer, Bathroom Renovation Company, Cleaning company, Mirrors & Glass specialist, Appliance repair specialist, Pool company, Drywall specialist, Locksmith, Concrete Specialist, Garage Specialist, Countertops Specialist, Fences & Gates Specialist, Gutters & Eavestroughs Specialist, Home Electronics Specialist, Siding Specialist, Condominium/Apartment Specialist, Plumber, Refrigeration specialist, Cabinet maker, Mason, Excavation Specialist, Metal worker, Kitchen Renovation Company & Stairmaker based in Thornhill, Ontario or nearby? Denys Services Handyman can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

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  • Basement Waterproofing Specialist in Oshawa

    Hi everyone we do any kind of demolition and also renovation example painting and flooring and drywall we also do fence repairs or deck and much more trust my experience just drop me a message 😊

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  • Basement Waterproofing Specialist in Oshawa

    When working, we don't ask fortune tellers or God for advice on how to complete this or that task; we are professionals in our field.

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  • Basement Waterproofing Specialist in Oshawa

    My name is Hamlet, and I bring over 30 years of experience in interior renovation and finishing — including 3 years working in Canada and 27 years across Europe. I’m passionate about delivering top-quality workmanship with attention to every detail. Whether it’s a kitchen renovation, drywall installation, painting, flooring, or garage door installation, I approach every project with care, professionalism, and respect for your home. I pride myself on completing work on time, maintaining a clean and organized workspace, and ensuring you’re completely satisfied with the results. Your home deserves the best, and I’m here to make your renovation smooth and stress-free.

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  • Basement Waterproofing Specialist in Oshawa

    i have 8 years of experience in insulation we provide heat and frost insulation services for water pipes and mechanical rooms and apartment buildings and we can do every type of insulation and fireproof

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  • Basement Waterproofing Specialist in Oshawa

    Adastra Construction Group is a trusted provider of high-quality finishes and renovation services across the GTA. With over a decade of professional experience, we specialize in micro cement, lime wash, Venetian plaster, stucco, and stone installations, as well as complete home and basement renovations. Our team is dedicated to delivering precision, durability, and modern design in every project. From transforming interiors with elegant decorative finishes to enhancing exteriors with durable stucco and stone systems, we bring craftsmanship and reliability to every stage of construction. Why choose us: At Adastra Construction Group, we take pride in our attention to detail, clear communication, and commitment to client satisfaction. Every project is completed with care, quality materials, and professional expertise — ensuring long-lasting, beautiful results that stand the test of time.

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  • Basement Waterproofing Specialist in Oshawa

    AA Excavation has a strong commitment to innovative design and construction quality. We achieve this through collaboration with industry leading engineers, suppliers, contractors and specialist consultants. If you need excavating services in Toronto performed on your property, AA Excavation is your best choice. With a wide range of excavation services experience over a number of years, our great team at AA Excavation the expertise and the ability to take on whatever project you need done.

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  • Basement Waterproofing Specialist in Oshawa

    i'm a 61 yr old bricklayer/stone mason with 45 yrs of experience.im also experienced in rough framing on a few mega mansions. i have my own truck and trailer which i use for demolition and delivery of equipment,materials.

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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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