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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

    Licensed plumber

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  • General contractor in Thornhill, Ontario

    At Boarding Brothers, we take pride in delivering top-quality drywall installation, taping, and painting services across Ontario. Our team is dedicated to providing smooth finishes, clean lines, and durable results that stand the test of time. Whether it’s a new construction project, basement renovation, or full home makeover, we bring precision, reliability, and attention to detail to every job. We believe in honest communication, on-time completion, and craftsmanship you can trust. ✅ Drywall Installation & Finishing ✅ Taping, Mudding & Sanding ✅ Interior & Ceiling Painting ✅ Residential & Commercial Projects Transform your space with the professional touch of Boarding Brothers — where quality meets perfection.

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  • General contractor in Thornhill, Ontario

    “Let’s build something amazing together!”

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    • Best of the Best 2025
    • Best of Awards 2026

    Chances are, you landed here looking for “kitchen renovation services near me” or “kitchen remodeling near me”, it’s our privilege to share a little about Adore Your Kitchen. We understand that the kitchen is the most important room in the house. It’s the heart of your home. Our company was founded on the principle that every family should have the opportunity to create a beautiful and welcoming kitchen. If you’re in the market for kitchen refacing services near you, come discover the benefits of working with us, including: · Customization at every step of the process. Your vision for your space is brought to life in careful detail, including a wide variety of colour, style, and hardware options. · Everything is handled from the comfort of your home. · An affordable approach to getting a stunning new kitchen that will be an entertainment hub any time you’re hosting. · Quick installation, typically taking just a few days instead of multiple weeks or even months! Your full timeline will be established during your consultation with one of our design professionals. · No plumbing or electrical work is required when performing refacing. · Minimal disruption and mess, making it an eco-friendly choice. We have over 14 years of experience working with families in Milton, Oakville, Georgetown, Burlington, and the rest of the GTA. Our customers trust us with their: · Kitchen renovations and remodeling · Refacing kitchen cabinets · Kitchen additions—pantries, pots and pans drawers, and other quality-of-life improvements We are committed to your satisfaction and use only quality materials, completing every project on time and within budget. We offer a warranty on both materials and labour for our expert installations. Contact us to speak with our experienced design team about how our kitchen refacing services near you—and all our other offerings—can help create something spectacular in your home.

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  • General contractor in Thornhill, Ontario

    Our priority is the happiness of our customers. With a commitment to precision, durability, and customer satisfaction, we bring experience, reliability, and attention to detail to every project — whether it's a full renovation or a small upgrade. From custom trim and cabinetry to hardwood, laminate, and luxury vinyl flooring installation, we take pride in clean work, clear communication, and results that last for years to come.

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  • General contractor in Thornhill, Ontario

    I was carpenter now I am a plumber. I do TV wall mounting toilet installation faucet insulation cartridge replacement I do clean and professional work

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  • General contractor in Thornhill, Ontario

    We are Hernez Design Inc., a leading provider of professional services for the architecture, engineering, and construction industry, based in Toronto, Canada. Established in 2016, we specialize in a wide range of services, including Architectural design, permit drawings/working drawings, 3D laser scanning, Galzing shop drawings, and interior design.

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  • General contractor in Thornhill, Ontario

    Professional contractor providing reliable renovation and repair services across the GTA. We specialize in flooring, painting, drywall, tiling, bathroom renovations, kitchen renovations, basement finishing, and general home repairs. We focus on quality workmanship, fair pricing, and dependable service. Free estimates available — contact us today for more information.

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  • General contractor in Thornhill, Ontario

    AM HVAC SERVICES is a locally owned and operated HVAC company providing reliable heating, cooling, and ventilation services. We specialize in installations, repairs, maintenance, and troubleshooting for residential and commercial systems. Our goal is to deliver honest service, quality workmanship, and affordable solutions to keep our customers comfortable year-round.

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  • General contractor in Thornhill, Ontario

    Hi there! My name is Moe, and I bring over 13 years of hands-on experience in residential and commercial construction across the GTA. I'm proud to offer a wide range of high-quality services — from concrete work, drywall installation and repairs, and demolition, to all-around handyman tasks and full general contracting. I believe in getting the job done right the first time — clean work, honest pricing, and always showing up on time. Whether it’s a small home repair or a full renovation project, I treat every job with the same care and attention as if it were my own home. Looking forward to working with you and turning your project vision into reality!

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  • General contractor in Thornhill, Ontario

    Hi I am a self employed HVAC technician I can install & service your residential and commercial HVAC units. I am doing my jobs from last 2.5 years and I want to grow with my best services. You will definitely like my services with better quality and prices. Thank you!!

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  • General contractor in Thornhill, Ontario

    Home Pro Maintenance Inc is your trusted partner for home renovation and construction services in Ontario. We specialize in transforming spaces with expert kitchen and bathroom remodeling, basement finishing, painting, flooring, drywall installation and repair. With a commitment to quality craftsmanship and customer satisfaction, our skilled team delivers reliable, on-time, and professional results that make your home both beautiful and functional.

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  • General contractor in Thornhill, Ontario

    Royal Concrete Cutting and Coring Inc. can help you with your acoustic insulation, install or replace window frames, repair windows, install or replace interior doors, install or replace exterior or reinforced doors, install or replace shutters, install or replace rolling shutters, install or replace insect screen, install or replace glass window, install or replace skylight or light dome, install or replace sliding doors, install or repair stained glass, repair door, repair dormer or skylight, repair shutters, repair exterior doors, sealing / caulking, install or replace window bars and railing, apply window tinting & install, repair or replace caulking 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 Royal Concrete Cutting and Coring Inc. now to discuss your needs and arrange a quote.

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  • General contractor in Thornhill, Ontario

    Advance Landscaping specializes in fencing, decks, sheds, carpentry, drywall repair, painting, trim installations as well as bathroom and kitchen renovations. We have an experience team of workers that provide quality work and a great price. Free estimates are available.

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  • General contractor in Thornhill, Ontario

    I am a plumber with 2 years of experience. I can fix all kinds of appliances at your house

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  • General contractor in Thornhill, Ontario

    Transforming houses into dream homes—one room at a time! I'm Giselle, the magic behind stunning, market-ready spaces. With an eye for design and a passion for style, I help sellers and realtors elevate properties to their fullest potential, making them irresistible to buyers. Whether it's cozy charm or sleek modern elegance, I stage homes that not only look amazing but feel like home. Let’s turn your property into the hottest listing on the market!

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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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