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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

    We’re a locally owned renovation company focused on quality work, clear communication, and getting the job done right the first time. From bathroom and kitchen renovations to framing, drywall, flooring, and finishing work, we take pride in clean workmanship and attention to detail. We understand that renovations can be disruptive, so we show up on time, keep the site tidy, and keep you informed every step of the way. Our goal is simple: deliver solid, reliable results that we’d be proud to have in our own homes. If you’re looking for a contractor who’s honest, dependable, and easy to work with, we’d be happy to help bring your project to life.

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  • General contractor in Thornhill, Ontario

    Resolve Building is a Modern General Contractor with a strong team ready to tackle any obstacles and projects you have in mind. We promise exceptional craftsmanship and problem solving to acquire an elite finish. Feel free to check out our instagram for photos and more information @resolvebuildinginc

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  • General contractor in Thornhill, Ontario

    Here at Rustic Roots Stump Care we are dedicated to customer satisfaction and high quality work. With over 8 years of experience you can rest assured that we will meet your needs and provide the highest quality work possible. Whether it’s a stump that needs grinding or a yard that needs grading we’ve got you covered. We offer a wide spin of work to meet your everyday needs.Call us today to book your free estimate.

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  • General contractor in Thornhill, Ontario

    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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  • General contractor in Thornhill, Ontario

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  • General contractor in Thornhill, Ontario

    Metal Ika is a trusted residential metalwork company providing custom railings and exterior metal features throughout the Greater Toronto Area. With over 30 years of experience, we work with homeowners and builders on projects that require quality craftsmanship, safety, and clean design. We specialize exclusively in custom metal work, including railings for stairs, balconies, porches, fences, and gates. Each project is made to measure and designed to suit the specific home, ensuring proper fit, structural integrity, and a finished look that blends seamlessly with the space. We do not offer wood work — our focus is entirely on metal. Metal Ika is a residential specialist, known for reliable service, clear communication, and attention to detail from start to finish. We take the time to understand each project and provide practical, well-built solutions that meet building code requirements and stand up to everyday use. Homeowners choose Metal Ika for custom results, honest workmanship, and railings that are built to last. Whether part of a renovation or a new build, we deliver durable, well-crafted metal features with a professional and approachable service experience.

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  • General contractor in Thornhill, Ontario

    With over five years of experience in the renovation industry, our company specializes in a wide range of services including carpentry, painting, plastering, flooring installation, door installation, trim and baseboard. We pride ourselves on our comprehensive approach to renovations, handling every aspect of the project from demolition to the final finishing touches. Our skilled team is dedicated to transforming spaces with precision and craftsmanship, ensuring that each project meets the highest standards of quality and customer satisfaction. Whether you're looking to update a single room or undertake a complete overhaul, we have the expertise to bring your vision to life. You dream it, we make it.

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  • General contractor in Thornhill, Ontario

    Looking for a construction company in GTA that can cater to all your needs? We provide services for legal basements, custom washrooms, general repairs, and house renovations. Contact us today

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  • General contractor in Thornhill, Ontario

    Hi my name is Rich, and i am currently here in Ontario from the UK on a 2 year work permit which expires Sept 2026. I chose to come and work in this country because i can see it as plenty of potential for good quality workmanship like myself. With over 20 years of hands-on carpentry experience, I specialize in precision finish work and custom installations. My skills cover every detail of trim carpentry—from expertly installing door jambs, hardware, and locksmith fittings to crafting and assembling vanity units, kitchen cabinets, and built-in cupboards. I take pride in flawless router work for hinges, seamless drilling, and ensuring every piece fits perfectly, combining functionality with craftsmanship. Whether it’s a high-end renovation or practical furniture assembly, my work is built on accuracy, efficiency, and decades of trusted results. I can also help out with; picture hanging, furniture repairs, flooring repairs, TV hanging and I have some experience in timber framing etc.

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  • General contractor in Thornhill, Ontario

    Risto Land Management provides professional excavation and site work services for residential and commercial projects. Our team specializes in excavation, grading, driveway installation, landscaping preparation, demolition, culvert installation, and underground utilities. We focus on reliable service, quality workmanship, and efficient project completion. Whether you need land cleared, a new driveway graded, or full site preparation for construction, Risto Land Management delivers dependable results you can trust.

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  • General contractor in Thornhill, Ontario

    Our company offers Custom Homes, decks, sheds, basements, renovations, demolitions, porches, and fences. Wood or metal framing, drywall installation, taping, wall and door painting, install tiles. Custom cabinets, kitchens, vanities, closets, etc. painted, solid wood, vinyl, melamine. Provide welding services and metal structures. High quality guaranteed. Individual approach to each client. We invite designers, builders and contractors to cooperate on mutually beneficial terms.

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  • General contractor in Thornhill, Ontario

    Need a General contractor, Window Contractor, Kitchen Renovation Company, Basement renovation,Electrician, Handyman, Carpenter, Plumber, Tiler, Bathroom Renovation Company, Interior designer, Concrete Specialist, Condominium/Apartment Specialist, Interior decorator, HVAC contractor & Architect based in Etobicoke or nearby? H M PRIME RENOVATION 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

    HVAC MAINTENANCE DUCT WORK INSTALLATION AC INSTALLATION +MAINTENANCE HRV +HEPA FILTER INSTALLATION AND MAINTENANCE BOILER INSTALLATION + MAINTENANCE FURNACE INSTALLATION +SYSTEM MAINTENANCE HUMIDIFIER INSTALLATION

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  • General contractor in Thornhill, Ontario

    in all cases, the most important thing is quality

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  • General contractor in Thornhill, Ontario

    Brodie plumbing is a Locust Hill based HVAC contractor, Plumber, Bathroom Renovation Company, Handyman, General contractor Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace water supply and drainage, unclog drain and sewage pipes, install or repair faucets, repair toilet or toilet flush, install or repair bathroom fixtures, stop leakage, install or replace water treatment station, install or replace drainage system, install or repair water heaters .We also work in cottage country message us so we can assist you and arrange a quote.

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  • General contractor in Thornhill, Ontario

    Professional Insulation Services in Toronto & GTA We specialize in attic, basement, and wall insulation using high-quality materials like spray foam and fiberglass batts. With years of hands-on experience, we ensure every job is done efficiently, safely, and with attention to detail. Our goal is to improve your home's energy efficiency, comfort, and value. Reliable, clean, and fully insured. We pride ourselves on excellent customer service, quick response times, and competitive pricing. Let us help you stay warm in winter and cool in summer!

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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 835 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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