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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 install windows and doors, finish outside and inside, and also work with brick, cutting brick and concrete to enlarge openings, trim, flashing, and baseboards, decks and fences

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  • General contractor in Thornhill, Ontario

    All types of maintenance starting from basic repairs to plumbing, electrical maintenance and painting

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  • General contractor in Thornhill, Ontario

    North of Nine Home Services is a reliable and hardworking home service company proudly serving Caledon and surrounding areas north of Highway 9. We specialize in landscaping, property cleanups, junk removal, lawn care, interlock repairs, handyman services, and general outdoor maintenance. Our goal is to provide quality work, honest pricing, and dependable service that homeowners can trust. Whether it’s a small cleanup or a larger outdoor project, we take pride in making your property look its best with attention to detail and professional results.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2026
    • Best of Newly Listed 2024

    Hulk Concrete is providing a concrete foundation work Icf foundation House extension Concrete slab Costume concrete Decorative concrete Steps -cantilever steps Exposed concrete Stamped concrete Operating in the Greater Toronto Area - Oakville - Burlington - Hamilton - Vaughan-Bradford-Barrie Please contact with us

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  • General contractor in Thornhill, Ontario

    Professional handyman and renovation specialist offering complete home improvement services from start to finish. Experienced in drywall, painting, flooring, trim, doors, framing, and full interior renovations. I deliver clean, high-quality work, stay on schedule, and focus on details that make the final result look professional. Reliable, efficient, and ready to take on both small jobs and full projects.

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  • General contractor in Thornhill, Ontario

    At EVENSTAR Deck and Fence, we believe your home—inside and out—should be beautiful, functional, and built the right way. We help homeowners make confident decisions by delivering expert craftsmanship, high-quality materials, and construction that meets local building codes. From custom decks and fences to renovations, house extensions, cabanas, patio covers, and garage builds, we guide you through every step of the process—from planning and design to approvals and construction. We work with your vision, budget, and timeline, ensuring your project is compliant, durable, and built to last through Canada’s seasons. Whether you’re upgrading, expanding, or adding value to your home, you can count on EVENSTAR for clear communication, honest guidance, and workmanship you can trust. Build with confidence—contact EVENSTAR Deck and Fence today.

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  • General contractor in Thornhill, Ontario

    Need a window Installation company, General contractor, Window Contractor, Carpenter,Renovation Company, Glass specialist, , in Newmarket Ontario or nearby? Map contractors inc 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 RELA CONSTRUCTION 👷‍♂️ We are a professional renovation and repair company based in Mississauga, proudly serving the GTA with high-quality workmanship and reliable service. With over X years of experience in the construction and home improvement industry, we handle everything from: • ✅ Drywall & plaster repairs • ✅ Painting & flooring • ✅ Full bathroom & kitchen renovations • ✅ Basement finishing • ✅ Water damage restoration • ✅ General home repairs At RELA CONSTRUCTION, we believe in: 🔹 Clean, precise work 🔹 Honest pricing 🔹 Clear communication 🔹 Finishing on time, every time Whether it’s a small job or a big project — we treat every home like it’s our own. 💬 Reach out today for a free quote or consultation. We’re ready to help! 📞 🛠️ RELA CONSTRUCTION | Built on trust.

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  • Juneja Renovation & Construction Inc. can help you with your install or replace window frames, build or renovate basement & install or repair acoustic ceiling tiles request in Brampton and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Juneja Renovation & Construction Inc. now to discuss your needs and arrange a quote.

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  • General contractor in Thornhill, Ontario

    🚰 24/7 Licensed Plumber with 15+ years experience ✅ Emergency Repairs, Drain Cleaning, Water Heaters, New Rough-ins, Bathroom & Kitchen Plumbing 📍 Serving Brampton, Vaughan, Mississauga, Toronto & Bolton 💧 Fast response – fair pricing – professional work 💬 DM for FREE Quote!

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  • General contractor in Thornhill, Ontario

    At Wyloff Solutions Inc., we specialize in professional residential and commercial concrete construction across the GTA and surrounding areas. Our company delivers reliable, high-quality workmanship focused on durability, clean finishes, and long-term performance. We provide a wide range of concrete services including driveways, sidewalks, garage floors, concrete slabs, patios, walkways, steps, pads, curb work, and foundation-related projects. We also perform demolition, excavation, grading, forming, reinforcement installation, concrete placement, broom finish, restoration, and underpinning services. Our team understands the importance of precision, site preparation, drainage, grading, and structural integrity on every project. Whether it is a small residential pad or a large exterior concrete installation, we approach every job with attention to detail, safety, and professional execution. We work closely with homeowners, property managers, builders, and contractors to ensure projects are completed efficiently and according to specifications. At Wyloff Solutions Inc., we take pride in honest communication, dependable scheduling, and delivering results that improve both functionality and appearance.

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  • General contractor in Thornhill, Ontario

    Repair all major home appliances Washer, dryer, fridge, electricstove, gas stove , furnace, airconditioner, dishwasher , softner

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  • General contractor in Thornhill, Ontario

    I’m a licensed plumber with years of hands-on experience in residential and commercial plumbing. I specialize in installations, repairs, drain cleaning, and emergency services. I take pride in delivering reliable, affordable, and high-quality work with attention to detail. Customer satisfaction and safety are always my top priorities.

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  • General contractor in Thornhill, Ontario

    Hello my name is Ricky, I have been doing carpentry for the past 5 years with a focus on framing and structural work. I built 100+ sheds at my first job and recently have been doing renovations and structural repairs. Currently I can only offer small jobs and repairs as I don't have a work truck at the moment.

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  • General contractor in Thornhill, Ontario

    Professional Summary: I am a skilled carpenter with over 15 years of hands-on experience in residential and commercial construction. My expertise includes drywall installation and finishing, concrete finishing, flooring, door installation (interior and exterior), TV mount setup, and the installation of kitchen cabinets and bathroom vanities. In addition to my carpentry background, I am also a certified home inspector, bringing a detailed and safety-conscious approach to every project I undertake.

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  • General contractor in Thornhill, Ontario

    Our professional team deal with all kind of residential commercial, interior exterior work To get your work completed by trust worthy company give us a call We are among Canada’s fastest growing company

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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 863 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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