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Find foundation repair pros in Thornhill, Ontario

Finding the right pro to help repair your foundation can be hard on your own. HomeStars connects you with available local pros who are ready to help. Compare quotes, read real reviews, and make the hire all in one convenient place!

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Some of our top rated foundation repair specialists in Thornhill, Ontario

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  • Foundation Repair Specialist in Thornhill, Ontario

    3M Flooring is a North York based HVAC contractor, Flooring Contractor, Carpenter, Tiler, Stairmaker, Renewable Energy Specialist, Cabinet maker, Interior decorator, Interior designer, Upholsterer, Electrician, Plumber, Refrigeration specialist, General contractor, Mason & Metal worker company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace wooden floor or parquet, install laminate floor, install vinyl, linoleum or pvc floor, install or replace carpet, install or replace floor heating, install or renovate stairs & repair or maintain stairs, message us so we can assist you and arrange a quote.

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  • Foundation Repair Specialist in Thornhill, Ontario
    • 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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  • Foundation Repair Specialist in Thornhill, Ontario

    Our Core ServicesBrick & Stone Installation: Custom stonework, brick veneers, and architectural block installation.Masonry Repair & Restoration: Expert tuckpointing, mortar matching, and structural crack repairs.Outdoor Living Spaces: Patios, outdoor kitchens, fire pits, and natural stone walkways.Chimney & Foundation Repair: Safe and reliable rebuilding and waterproofing solutions.

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  • Foundation Repair Specialist in Thornhill, Ontario

    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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  • Foundation Repair Specialist in Thornhill, Ontario

    PrimeBuild is a professional handyman and property maintenance service dedicated to delivering reliable, high-quality solutions for residential and commercial spaces. We bridge the gap between minor repairs and major renovations, focusing on precision, efficiency, and expert craftsmanship.

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  • Foundation Repair Specialist in Thornhill, Ontario

    ANCIR Construction is a full-service general contracting and renovation company serving homeowners across the Greater Toronto Area. We specialize in large-scale renovations, including whole-home remodels, basement renovations, structural alterations, and home extensions. Our team manages projects from start to finish — from planning and demolition to structural work, coordination of licensed trades, and final finishes. We regularly handle load-bearing wall removals, beam installations, foundation modifications, and full interior reconfigurations, all completed in compliance with Ontario Building Code requirements. While we complete kitchens and bathrooms as part of broader renovation projects, our focus is on complex, high-value renovations that require careful planning, clear communication, and experienced project management. Clients choose ANCIR Construction for our organized process, transparent pricing, and commitment to long-term quality. We work closely with homeowners to understand their goals, provide honest guidance, and deliver durable, well-executed results. Whether you’re renovating an entire home, finishing a basement, or planning a major structural upgrade, ANCIR Construction offers professional service you can trust.

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  • Foundation Repair Specialist in Thornhill, Ontario

    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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  • Foundation Repair Specialist in Thornhill, Ontario

    Sadeqi Construction can help you with your install fence, build pergola, gazebo or garden house, build or replace decking, build porch, install or renovate stairs, repair or maintain stairs, repair or maintain fence & power washing request in North York and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Sadeqi Construction now to discuss your needs and arrange a quote.

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  • Foundation Repair Specialist in Thornhill, Ontario

    Our company have been managing properties and helping home owners since 23 years . First started in Lindsay where Flemming college students live. Painting is one of our passion.we also do complete home build and renovation from ground up with warranty. We are now started with ADU (Additional Dewelling Unit) or garden suites from design, permits and Implementation .we want to make sure work done professionally, cost effective and within the time agreed. No Disappointments. Our company name: ADU Homes. We are located in Markham and work anywhere within 300 km radius. No Job is Small or big . We are not satisfied until you are.

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  • Foundation Repair Specialist in Thornhill, Ontario

    Master excavation & Stratacore interior systems have more than 20 years experience in excavation - footing - foundation - residential . Also residential- commercial & industrial paving . We also offer finish basement / legal suites . We are proud of our work that’s why we chose quality instead of quantity .

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  • Foundation Repair Specialist in Thornhill, Ontario

    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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  • Foundation Repair Specialist in Thornhill, Ontario

    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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  • Foundation Repair Specialist in Thornhill, Ontario

    I am contractor of home renovation such as tile work paint job drywall demolition Kitchen tile bathroom tile and floor tile

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  • Foundation Repair Specialist in Thornhill, Ontario

    At The Fix Up, we’re here to make your home repairs and improvements as simple and stress-free as possible. Whether it’s fixing a leaky faucet, refreshing your walls with a fresh coat of paint, or tackling a larger project like custom storage solutions, we’ve got you covered. With over a decade of experience and a commitment to quality, we pride ourselves on delivering reliable, professional services tailored to your needs. Explore our range of services and discover how we can help bring your vision to life. No matter the size of the job, we’re here to ensure your home is in great hands!

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  • Foundation Repair Specialist in Thornhill, Ontario
    • Best of Newly Listed 2024

    At Burman Construction group, we specialize in high end interior renovations and one off custom decks along with many other types of projects. We take care of all the stages of your project including planning, permits, and the build itself from start to finish. We will also provide a 3d rendering of your interior or exterior projects so that you know exactly what you’ll be paying for. We pride ourselves on our excellent craftsmanship and on being a contractor that you can professionally rely on and trust.

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  • Foundation Repair Specialist in Thornhill, Ontario

    We are a luxury construction company, we focus on high quality work, with high quality results. We specialize in New Construction, Renovations, Additions and Extensions, Construction for residential and commercial. We build out commercial spaces from retail showrooms to office spaces to restaurants . We are also offering 3D Scanning services and 3D printed buildings, structures and houses. We are a full feature company and offer all services from design to finishing for your projects.

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4.8

Top rated Foundation Repair Specialists

Our Foundation Repair Specialists in Thornhill, Ontario, are rated 4.8 out of 5 based on 52 reviews from homeowners like you.

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What foundation repair services are available in Thornhill, Ontario?

Foundation repairs can range from one small crack to a whole replacement, so the service you’ll need depends on the extent of damage.

Here are some common foundation repair services in Thornhill, Ontario:

  • Underpinning and foundation lowering: contractors extend existing footings deeper into stable soil to strengthen a weakened foundation or increase basement headroom.
  • Carbon fibre strap installation: installers anchor rigid straps to floor joists and embed them in the footing to stabilize bowing or leaning basement walls without excavation.
  • Foundation crack repair: technicians inject liquid resin under pressure into foundation cracks to restore structural integrity and create a waterproof seal.

No matter your foundation repair needs, it’s easy to find pros in Thornhill, Ontario who can help. Just post your project on HomeStars now, and available foundation repair pros in your area can reach out!

What are the average costs of foundation repair in Thornhill, Ontario?

Foundation repair costs depend on several factors, including the type of repair needed, the size of the foundation, and the severity of the damage. Labour generally ranges from $75 to $150 per hour, though this varies based on the service and local market conditions. Materials and equipment costs, such as excavation machinery or structural anchoring hardware, can also add to the overall project total.

Typical costs for common foundation repair services in Thornhill, Ontario:

  • Underpinning and foundation lowering: between $10,000 and $30,000 depending on the depth of excavation and number of sections requiring support
  • Carbon fibre strap installation: between $400 and $700 per strap depending on wall height and number of straps required
  • Foundation crack repair costs: between $500 and $1,500 per crack depending on length, depth, and material used

HomeStars tip: To ensure you get the most accurate costs for Thornhill, Ontario, 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 foundation repair specialists in Thornhill, Ontario with HomeStars

When foundation issues arise, finding the right pro can make all the difference. HomeStars connects you with local foundation repair pros in Thornhill, Ontario who have verified reviews and ratings to help you make a confident hiring decision. Just follow these simple steps:

  1. Start by posting your project. Provide a clear description of your foundation repair needs and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history, and read customer feedback for foundation repair in Thornhill, Ontario.
  3. Connect with foundation repair specialists in Thornhill, Ontario 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 foundation repairs in Thornhill, Ontario

How long do foundation repair projects in Thornhill, Ontario take?

The timeline depends on the type and scale of repair needed. Crack injections can often be completed in a single day, while more involved work such as underpinning or full perimeter drainage installation may take several days to a few weeks. Weather conditions and site accessibility around your Thornhill, Ontario home can also affect the schedule.

Do foundation repair projects in Thornhill, Ontario come with a warranty?

Many foundation repair companies offer warranties on their work, and some manufacturers also provide product warranties on materials like carbon fibre straps or drainage systems.

Before hiring, it is worth asking any Thornhill, Ontario foundation repair pro you are considering what their warranty covers, how long it lasts, and whether it is transferable if you sell your home.

Do foundation repairs require a permit in Thornhill, Ontario?

Permit requirements vary by municipality, but structural work such as underpinning typically requires a building permit, while smaller repairs like crack injection often do not.

Your Thornhill, Ontario foundation repair pro should be able to advise you on what is required in your area, and in many cases will pull the necessary permits on your behalf.

What other pros might be involved in a foundation repair project?

Depending on the scope of work, foundation repair can involve more than one contractor. A [concrete specialist in Thornhill, Ontario](https://www.homestars.com/home-constructions-renovations/concrete-specialist-pros/Thornhill, Ontario) may be needed for resurfacing or replacing damaged concrete elements, while [general contractors](https://www.homestars.com/home-constructions-renovations/general-contractor-pros/Thornhill, Ontario) are often brought in to oversee larger projects that affect multiple areas of the home. You can find both of these kinds of specialists and other foundation repair professionals on HomeStars.

How do I find a foundation repair pro I can count on in Thornhill, Ontario?

Reading reviews from homeowners in your area is one of the best ways to gauge the standard of a pro's work before committing. HomeStars lets you browse ratings and reviews for foundation repair pros in Thornhill, Ontario, so you can compare your options and hire with confidence.

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