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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

    I specialize in painting, tiling, carpentry, and general building services. With hands-on experience in both small repairs and larger renovations, I focus on delivering quality workmanship, clean finishes, and reliable service for every project.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2026

    We are a team of professionals with proven record of delivering cost-effective and efficient home repair, renovation, improvement and construction services. We pride ourselves in saving our customers both money and time by basing every project on: Transparency, Innovation and Commitment to Delivering Results. There is always room to improve. Whether you want to upgrade your space for more storage or looking for energy saving solutions we are here to help. Our renovation services range from bigger projects like full house renovations and project management services to smaller projects like basement finishes or backyard landscaping. We offer services throughout the Greater Toronto Area.

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  • General contractor in Thornhill, Ontario

    Need get your basement, kitchen, bathroom or even house fixed, or renovated, Precision tapers got you, anything you need from insulation, drywall, taping and priming, feel free to contact us we will be happy to get it done the best way with the best quality.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2026

    About Dr Drains Plumbing GUARANTEED FOR 48 HOURS ALL CLEAR AND UNPLUGGED DRAINS. At Dr Drains Plumbing, we have earned our name by consistently delivering exceptional plumbing and drainage solutions. Our skilled team is committed to providing high-quality services that meet and exceed industry standards. Services we provide. * Plumbing Expertise: Whether it's new construction, renovations, or repairs, our team has the skills and experience to handle all plumbing aspects efficiently. * Drainage Solutions: From drain installation to maintenance and repair, our expertise covers all aspects of drainage systems. * Emergency Services: We provide 24/7 emergency support, ensuring that your projects are safeguarded against unforeseen plumbing and drainage challenges. * Kitchen Stack Cutting: Specialized in clean out installation and main stack/aux cleaning for condominiums and apartment buildings. * Sewer/Drain Excavation: Proficient in both indoor and outdoor excavations, ensuring precise and efficient solutions. * Sewer/Drain Diagnostics: Our team employs advanced diagnostic tools to pinpoint issues accurately. * Sewer/Drain Roughing and Plumbing: Expertise in roughing and plumbing for sewer and drain systems. * Backfill and Cement Work: Providing comprehensive services, including backfilling and cementing of excavations. * Water Service Installation: Ensuring efficient water service installation in various settings. * Cast Iron Removal/Replacement: Capable of handling cast iron removal and replacement up to 6" in confined spaces, catering to residential, commercial, and condominium projects. * Troubleshooting and Re-routing: Expert problem-solving skills for all drain and plumbing systems, facilitating re-routing as needed. * Power Jetting: Utilizing high-pressure jetting for efficient cleaning and maintenance. * Camera Inspections: Employing advanced camera inspection technology for thorough assessments. Thank you for considering our services. We hope to have the chance to work with you and your esteemed property.

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  • General contractor in Thornhill, Ontario

    4 year in business Milton, Oakville , Missisauga , north York Garden beds , grass cutting , heavy grown Affordable prices

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  • General contractor in Thornhill, Ontario

    I’ve been in business for over 20 years. I started off in Painting and throughout the years, I picked up some experience in the renovation business. And for the past 10 years, I have been doing minor renovations. Hardwood flooring, carpentry also bathroom and kitchen renos as well as finishing basements

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  • I have been providing renovation services to greater Toronto Area since 2014. My team understands that Sometimes renovating your house can be challenging, stressful and complicated, and we are here here to make your project go smooth and we will take care of it all A to Z. all you have to do is select ur choices of material, the rest leave it up to us. We have reasonable prices, fully insured, honest, reliable, and most importantly we take pride in building relationships with our clients.l

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  • General contractor in Thornhill, Ontario

    I’m the founder of Imperial Build Works, a construction company dedicated to delivering high-quality and efficient building solutions. We specialize in creating durable, well-crafted projects with a focus on attention to detail and customer satisfaction. At Imperial Build Works, we pride ourselves on our commitment to excellence, ensuring every project meets the highest standards.

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  • General contractor in Thornhill, Ontario

    Our company is a full service general contractor specializing in complete residential and commercial construction. From excavation and concrete footings to the final exterior finishes, we manage every phase of the build with precision and care. With a skilled team of tradespeople and trusted subcontractors, we provide a turnkey service meaning clients only need one point of contact throughout their project. We take pride in delivering high-quality work on schedule, while maintaining transparency and efficiency. Our services include: Site preparation, excavation, and grading Foundation forming, pouring, and waterproofing Framing and structural work Roofing and insulation Electrical, plumbing, and HVAC coordination Interior rough-ins and drywall Exterior finishes (siding, brick, stone, stucco, windows, doors) Landscaping and final grading Whether it’s a custom home, addition, renovation, or commercial build, we provide end to end solutions tailored to each client’s vision. Our mission is to bring projects from blueprint to completion while upholding the highest standards of craftsmanship and safety.

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  • General contractor in Thornhill, Ontario

    I am extremely hard-working, detail oriented and punctual! I take pride in anything I put my name on, and I am always looking to build relationships with people and grow as a person and as a company

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  • General contractor in Thornhill, Ontario

    At Finesse Touch Construction, we take pride in delivering high-quality craftsmanship with every project we take on. Whether it's roofing, carpentry, interior and exterior renovations, or building custom fences and decks, we bring skill, experience, and attention to detail to every job. We also offer dependable seasonal services to keep your property in great shape year-round - from snow removal and winter prep to summer maintenance and cleanups. We believe in honest work, fair pricing, and treating every home like it’s our own. No matter the size or scope of the job, we’re committed to making sure our clients are satisfied with the results. About Me My name is Manuel Ramos, and I’ve been working in the trades for over 15 years. I started this company with a simple goal: to provide reliable, high-quality work that homeowners can count on. I’m hands-on with every project, and I make it a priority to communicate clearly, work efficiently, and always finish the job to a high standard. Whether you need a small repair or a full renovation, I’m here to help bring your vision to life.

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  • General contractor in Thornhill, Ontario

    Mario’s Masonry | Small Brick & Stone Jobs Only Looking for a reliable pro for a small masonry project? I’m Mario, a bricklayer with 4 years of experience specializing in brick, block, and manufactured stone. I focus on repairs and small installations, providing professional quality and on-time delivery. I don't handle foundation work—I stick to what I do best: clean, solid, and reliable masonry craftsmanship.

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  • General contractor in Thornhill, Ontario

    Hi I am Brandon the Plumber ! I am an experienced service plumber with over 1000+ service calls serviced. Great hands-on experience in both residential and commercial service plumbing across the GTA. I provide clean, professional, and affordable plumbing work with honest service you can trust.

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  • General contractor in Thornhill, Ontario

    Toronto's Best Cabinet Refresh Transform your dated Toronto kitchen with a high-end modern look without the stress of a full replacement. We provide expert refinishing for a flawless finish and lasting durability.

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  • General contractor in Thornhill, Ontario

    Reliable Welding is a Scarborough based General contractor, Carpenter, Architect, Demolition company, Roofing specialist & Home Inspector company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with create construction plan, install or replace beam & structural engineer, message us so we can assist you and arrange a quote.

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  • General contractor in Thornhill, Ontario

    We take immense pride in building not just structures, but lasting relationships rooted in trust, quality, and excellence. With years of hands-on experience in residential, commercial, and industrial construction, our mission is to bring your vision to life with unparalleled craftsmanship and attention to detail. Our team of skilled professionals is dedicated to delivering projects on time, within budget, and beyond expectations. Whether you're planning a custom home, a commercial space, or a large-scale infrastructure project, we approach every task with a commitment to safety, sustainability, and innovation. We believe that every project tells a story—and we’re here to help you craft yours. Let’s build something remarkable together. Contact us today to learn how we can make your construction dreams a reality!

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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 862 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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