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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

    Good wrok

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  • General contractor in Thornhill, Ontario

    Egress windows and side doors in gta and surroundings in reasonable price

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

    The Renovaint Experience We proudly offer Painting, flooring and other Renovation services such as Kitchen, Bathroom, drywalling, basements and others for residential and commercial properties. We work with you to ensure that every detail is perfect, while keeping you involved in the entire process. With a team of experts and a variety of professional services available, you can be sure all your requirements will be taken care of. From the smallest to the largest task, we believe you deserve top-priority service that is efficient and reliable. This is why we started Renovaint, to deliver quality professional services that you can trust. The depth of expertise and the care we put into our work is just part of why we are amongst the leading professional painters in the region. Please give us a call for your free estimate.

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  • General contractor in Thornhill, Ontario

    M.R. Home Improvements is a reliable contracting company providing the highest quality of home renovation services at the most reasonable price.

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  • General contractor in Thornhill, Ontario

    Hi! I’m a reliable and hardworking handyman serving the Greater Toronto Area and surrounding regions. I provide services in Toronto and nearby cities such as Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Milton, Burlington, Pickering, Ajax, Whitby, Oshawa, Newmarket, Aurora, and other surrounding areas. I have hands-on experience with a wide range of services, including handyman work, moving assistance, junk removal, light demolition, basic painting, mounting, and installation tasks. I take pride in working carefully and efficiently, always respecting your home and property. I come fully prepared with my own tools, communicate clearly, and focus on getting the job done right the first time. I’m comfortable with physically demanding work and can handle both small tasks and larger projects. If you’re looking for someone dependable and easy to work with, feel free to reach out. I’m happy to discuss your project and provide honest pricing and quality results.

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  • General contractor in Thornhill, Ontario

    Tailored Projects & Repairs We customize every project and repair to fit your unique needs and style. From subtle updates to full transformations, we ensure every detail reflects your vision. With clear communication and expert guidance, we bring your dream spaces to life—quickly, efficiently, and to your complete satisfaction.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2025

    Sandgate Construction is your comprehensive home renovation and building improvement specialist for home and commercial projects in Innisfill, York Region, and the GTA Sandgate is your partner in realizing your vision for your home. You can trust our experience in all aspects of building and renovation projects from concept and design to engineering. We work closely with you from first colour choices right through to the finishing touches. What renovation will make your house more of a home? Residential additions and renovations Kitchen and bathroom upgrades Finished basements Man caves and home theatres Accessibility upgrades

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  • General contractor in Thornhill, Ontario

    Reliable and affordable! Build right at first time. Successfully renovated homes and helped increased its value. References available on request. 🏡 Build washroom, Kitchen and Kitchen Cabinets, Legal Basement, flooring Installation, Shower leak fix, cabinet mount, bath caulking etc. 🔌 WiFi switch replacement, Cieling Lights installations etc. 📺 TV wall mount any size 🚿 Plumbing fixes & faucet installations 🛠️ Furniture assembly & mounting. 🚪 Door, Door Locks, window, Painting and drywall repair, caulking 🧽 General maintenance ✔️ Affordable pricing ✔️ On-time & professional work ✔️ Over 12 years of experience ✔️ Fully equipped Message me for more details! Areas: Toronto, Mississauga, Brampton, Oakville, Burlington, Milton, Hamilton, Cambridge, Niagara and other GTA.

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    • Best of the Best 2022
    • Best of Awards 2024

    Pro-Loc Interlocking & Landscape Design is a privately owned company established in 2003. With an early focus on residential interlocking and landscaping contracts, Pro-Loc has matured into a full service residential and commercial interlocking company with expertise spanning all aspects of large-scale project disciplines. Today, we successfully manage commercial and residential interlocking and landscape design projects all across southern Ontario. Pro-Loc Interlocking & Landscape Design is a multi-craft employer providing a wide variety of services ranging from individual turnkey installations to large-scale specialty subcontracting assignments including Interlock Paver Installation. When schedules matter, we offer a competitive advantage you can count on. We provide outstanding "backstage" support to our field operations helping projects run smoothly. In the field, we maintain a steady workforce of skilled craftsmen and project managers allowing projects to progress smoothly to completion. Our craftsmen take great pride in both the quality of their work and the aesthetic beauty of the finished product. We are open for business and we are following all Covid-19 regulations.

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  • General contractor in Thornhill, Ontario

    With over 25 years of hands-on experience in residential construction, Chorus Construction delivers high-quality renovations built on expertise and attention to detail. Our background in site operations and project oversight ensures every job is well-managed, on schedule, and executed with precision. In addition to full-scale renovations, we also offer a dedicated handyman division for smaller projects, repairs, and home maintenance—providing the same level of professionalism and care, no matter the size of the job. We take pride in clear communication, reliable service, and workmanship that stands the test of time. Our focus is simple: do it right the first time and deliver results homeowners can trust.

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  • General contractor in Thornhill, Ontario

    Straight forward person and dont lie

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  • General contractor in Thornhill, Ontario

    I am working in a construction business more than 10 years . I do framing, drywall installation, taping ect. Wall paper installation and removal,painting, spray painting popcorn ceiling repair or removal ect.

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  • General contractor in Thornhill, Ontario

    Insulation and HVAC Contractor running business from 3 years at affordable prices

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  • General contractor in Thornhill, Ontario

    Our Services: ✅ Concrete Work – Durable and high-strength concrete solutions, including foundations, driveways, sidewalks, and structural elements. ✅ Bathroom Construction & Renovation – Complete remodeling, including tiling, plumbing, waterproofing, and modern designs. ✅ Tile & Flooring Installation – Expert installation of ceramic, porcelain, hardwood, laminate, and vinyl flooring for a seamless finish. ✅ Drywall & Finishing – Professional drywall installation, repair, taping, mudding, sanding, and painting for smooth and durable walls. ✅ Baseboards & Trim Work – Precise installation of baseboards, crown molding, and trim for a polished interior look. ✅ Framing & Structural Work – High-quality wood and metal framing for new builds, additions, and remodeling projects. ✅ Staircase Construction – Custom-built staircases with superior materials, ensuring safety, durability, and aesthetic appeal. ✅ New Basement Development – Complete basement finishing, including framing, insulation, drywall, flooring, and lighting, to transform your space.

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  • General contractor in Thornhill, Ontario

    My company not doing rush on jobs clean and neat. Always agree with. Customer demand and politey

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  • General contractor in Thornhill, Ontario

    Thank you for visiting our profile! At J-Z Plumbing, we provide complete plumbing and drain services. We have a team of highly skilled professionals who focus on quality work and maximum customer satisfaction. Contact us for any inquiries and we ensure to provide the best advice, quality and price! 647 607-4878 info@jzplumbing.ca

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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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