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General contractors in Thornhill, Ontario

Looking for a general contractor in Thornhill, Ontario? Post your project on HomeStars and get matched with Thornhill, Ontario building contractors in your area. Browse profiles, read genuine customer reviews, and discuss your project details with interested pros. All before you make your final choice.

Some of our top rated general contractors in Thornhill, Ontario

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  • General contractor in Thornhill, Ontario

    Welcome to CANADA EXTERIORS EXPERT LTD. Our priority in our business is “Cleanliness, Honesty and Reliability” where our goal is to provide you with professional service that exceeds your highest expectations. Our team will work with you personally to create a custom solution to fit your specific needs, offering the best job for the best price. we have years of business experience our history is strong If you need this type of works do not hesitate to call us and we guarantee all the work we do to our valued customers… THANK YOU… CANADA EXTERIORS EXPERT

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  • General contractor in Thornhill, Ontario

    Need a HVAC contractor, Electrician, Plumber, Bathroom Renovation Company, Appliance repair specialist, Excavation Specialist, Concrete Specialist, Fireplace and BBQ Specialist, Handyman, Landscaping Company, General contractor & Paving Contractor based in Kleinburg or nearby? 2551074 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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  • General contractor in Thornhill, Ontario

    Welcome to Exotic Framing! Based in Ontario, we specialize in high-quality framing carpentry — but that’s just where we start. We also provide a wide range of remodeling services, including drywall, painting, tiling, demolition, and post-construction clean-ups. We come fully equipped with professional-grade tools for any type of job, and we maintain up-to-date safety certifications to ensure every project is completed with top-tier quality and the highest safety standards. With us, you’re getting reliable work, friendly service, and results you can trust.

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  • General contractor in Thornhill, Ontario

    Skilled Carpenter & General Construction Handyman I’m an experienced carpenter working in residential and small commercial construction. I handle a wide range of repair, maintenance, and building tasks with solid workmanship and fair pricing. Services I offer: Carpentry & framing Drywall installation & repairs Insulation work Painting & trim work Small repairs & home maintenance Door and hardware installation Small demolition Concrete work (patching, chipping, small pours) Interlocking repairs Fence & deck repairs Caulking & weatherproofing Flooring installation (laminate, vinyl, small tile jobs) Clean-ups & junk removal Equipment operation (Bobcat, forklift, dump truck) I focus on reliable service, clean work, and affordable rates. No job is too small happy to help with anything around the house.

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  • General contractor in Thornhill, Ontario

    Since 1987, Basement Systems has been helping transform wet, leaky basements and nasty crawl spaces into dry, healthy, usable spaces with exclusive, patented products and proven services. Basement Systems is the world leader in designing and developing products and solutions for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Today, Basement Systems has over 30 patents and a reputation as a trusted network of highly trained and reliable dealers specializing in "All Things Basementy!" Basement Systems of Toronto is a proud local installer of Basement Systems' basement waterproofing and crawl space repair systems. We are a trained and experienced Greater Toronto basement waterproofer, crawl space encapsulation, and foundation repair professional. We offer free, no-obligation inspections, timely installation, and regular maintenance checks of our systems. Please browse our website to learn more about who we are and what we do, or contact us today to let us know how we can help.

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  • General contractor in Thornhill, Ontario

    With over 20 years of experience working in the trades and as a general contractor I pride myself in delivering good quality and honest work with competitive pricing. Throughout the years I have gained experience and knowledge in many different trades. I am a fully licensed Red Seal certified Plumber and Pipefitter with years of experience in tile setting, bathroom waterproofing, drywall and plastering, electrical, painting, finish carpentry including crown molding, coffered ceiling, wainscoting, wall panels, interior framing and concrete work.

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  • General contractor in Thornhill, Ontario

    A Handyman that specializes in drywall painting tilling and any renovation work i am also certified.

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  • General contractor in Thornhill, Ontario

    Next Approach Zone is a trusted renovation and property improvement company serving the Greater Toronto Area. We specialize in residential renovations including flooring installation, drywall and framing, bathroom upgrades, painting, trim work, and general interior improvements. Our goal is to deliver high-quality workmanship, honest pricing, and a smooth experience for every client. Whether it’s a small repair or a full renovation, we focus on detail, durability, and customer satisfaction. At Next Approach Zone, we treat every project like it’s our own home. From planning to completion, we make sure the job is done right.

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  • General contractor in Thornhill, Ontario

    If you are looking for reliable, cost effective and efficient services, you are at the right place !! Please contact for more information.

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  • General contractor in Thornhill, Ontario

    Hishsvs

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  • General contractor in Thornhill, Ontario

    With over 5 years of hands-on experience in residential renovations, I specialize in high-quality interior remodeling and finishing work. I’ve completed projects ranging from full basement renovations and bathroom remodels to kitchen installations and detailed finish carpentry. I take pride in delivering clean, precise workmanship and treating every home with care and respect.

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  • General contractor in Thornhill, Ontario

    Hi, I’m a local plumber offering residential plumbing services throughout the GTA. I specialize in repairs, drain work, fixture installs, and rough-ins for renovations. I believe in honest work, fair pricing, and treating every home like my own. No shortcuts—just solid plumbing done right the first time. If you need a reliable plumber who shows up on time and gets the job done properly, feel free to reach out.

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  • General contractor in Thornhill, Ontario

    GroundFlow Drainage is a GTA-based service company focused on drain, plumbing, and underground drainage work. Hi, My name is Korado, and my goal is to provide honest, clean, and reliable service for homeowners and small commercial properties. Our services include: Drain cleaning, clogged drains, slow drains, main drain blockages, camera inspections, drain diagnostics, hydro jetting, root removal, drain repairs, drain reconstruction, private drain connections, weeping tile systems, underground drain investigation, leak investigation and repair, selected fixture installation, emergency service calls, and general plumbing and drainage troubleshooting. We focus on finding the real cause of the problem, explaining the options clearly, and completing the work with care and professionalism. Whether it is a backup, a leak, a damaged drain line, or a drainage issue that needs proper investigation, GroundFlow Drainage is here to provide practical solutions and dependable service.

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  • General contractor in Thornhill, Ontario

    Clear Baths offers all-inclusive bathroom renovations at a fixed price for up to 5x8 bathrooms. Our budget range covers materials, installation, and cleanup. We provide exact measurements upfront, ensuring a hassle-free experience. Experience affordable luxury and a quick turnaround with Clear Baths.

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  • General contractor in Thornhill, Ontario

    At Gondur Aluminum we care for our costumers. Costumer satisfaction is our number one priority! We install, replace and clean gutters. Install siding with a variety of materials like vynil, Aluminum, metal, wood, sagiper,etc for your needs. Capping windows, porches. We are happy to assist in your project!

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  • General contractor in Thornhill, Ontario

    About Supreme Waterproofing And Masonry We are dedicated professionals providing reliable basement waterproofing, masonry, and exterior restoration services. Our mission is to ensure your property’s long-lasting protection. With years of experience, expert craftsmanship, and a commitment to quality, we offer solutions tailored to your unique needs. From chimneys to roofing, our team handles every project with precision, care, and attention to detail, ensuring lasting results that exceed expectations.

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4.9

Top rated general contractors

Our general contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 852 reviews from homeowners like you.

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What types of services are offered by local general contractors in Thornhill, Ontario?

Whether it's a home renovation or a commercial project, a local general contractor in Thornhill, Ontario can help streamline the process. They’ll handle everything from project planning to construction, making sure the work is done right, on time, and within budget.

Popular general contractor services include:

  • Installing or replacing a roof
  • Repairing or maintaining a roof or gutter
  • Installing or renovating bathroom
  • Paving installation

Wondering how to find a general contractor in Thornhill, Ontario? Make your search easier with HomeStars. Just post your job, provide a few details, and choose from available general contractors in Thornhill, Ontario. It’s quick, simple, and hassle-free.

What is the average cost of hiring a general contractor in Thornhill, Ontario?

On average, general contractors in Thornhill, Ontario typically charge an average hourly rate of $50 to $150. In some cases, they might charge per project, such as for smaller renovations or larger construction jobs, with costs ranging from $5,000 to $200,000 or more. Thornhill, Ontario general contractors may also charge 10% to 20% of the total project cost, depending on the scope of work.

For common general contractor jobs, expect to pay:

Find a general contractor in Thornhill, Ontario on HomeStars

Finding the right general contractor in Thornhill, Ontario is all about matching your project needs with the right experience and budget. HomeStars makes it easy to connect with Thornhill, Ontario building contractors who have a proven track record, with customers leaving reviews and ratings based on their past work.

How to hire Thornhill, Ontario general contractors on HomeStars:

  1. Start by posting your project. Add details about the work and include pictures for accurate quotes.

  2. Read through and compare profiles of general contractors based in Thornhill, Ontario.

  3. Connect with a general contractor in Thornhill, Ontario to discuss your project, request a quote and ask any questions.

  4. Hire the right pro to get the job done and leave a review based on your experience.

Whether it’s a small renovation or a major construction project, HomeStars lets you easily review and select general contractors in Thornhill, Ontario with confidence. All building contractors in Thornhill, Ontario who register on our platform are verified through ID checks, so you can hire the right pro with peace of mind.

What to ask a Thornhill, Ontario general contractor before hiring?

Before you hire, you might want to ask general contractors in Thornhill, Ontario the following questions to get a better understanding if they’ll be a good fit for your project.

What types of projects do you usually handle?

A general contractor in Thornhill, Ontario should be able to outline the types of projects they specialize in, such as home renovations, new builds, or commercial construction. Local experience as a contractor in Thornhill, Ontario is important for understanding regional building codes and construction practices.

Do you handle permits, inspections, and subcontractor coordination?

The right Thornhill, Ontario general contractor will manage permits, inspections, and coordinate subcontractors, ensuring your project meets legal and safety requirements without unnecessary delays.

Do you carry general liability insurance and WCB coverage?

All general contractors in Thornhill, Ontario should carry general liability insurance and be registered with the provincial Workers’ Compensation Board to protect both you and their team in case of accidents or property damage.

How do you handle disputes or issues during construction?

A general contractor in Thornhill, Ontario should have a clear process for managing disputes, unexpected delays, or mistakes. They should be able to explain how they communicate issues, propose solutions, and involve you in decision-making when adjustments are needed.

Who will manage the project on-site, and how will communication work?

Clarify who oversees daily operations and how you’ll stay updated throughout the project. The Thornhill, Ontario building contractor should assign a dedicated foreperson or project manager to coordinate all aspects of the work, including supervising subcontractors and scheduling inspections.

FAQ: Common questions about general contractors in Thornhill, Ontario

How long does a typical renovation or construction project in Thornhill, Ontario take?

Project timelines depend on size and complexity. A Thornhill, Ontario general contractor will provide a realistic schedule with start and completion dates and will update you on milestones throughout the project.

When should I hire a general contractor?

Hiring a Thornhill, Ontario general contractor early in the planning phase is ideal, especially for large renovations or construction projects. They can help with budgeting, timelines, permits, and coordination from the start.

Do general contractors in Thornhill, Ontario handle cleanup after the project?

Most building contractors in Thornhill, Ontario include cleanup as part of their services, ensuring debris is removed, the site is safe, and your property is left in good condition once work is complete.

Do general contractors offer design advice or planning support?

Some general contractors in Thornhill, Ontario provide design input, helping you optimize space, layout, and materials. While they may not replace an architect, their practical experience can improve efficiency and cost-effectiveness.

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