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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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    • Best of Awards 2025

    BnZ INTERLOCKING AND DESIGN Ltd offers a wide range of landscaping and design to service to suit every project and budget.with over 20 years of experience and a written guarantee how can you go wrong call us for a freeestimate and get 10% off. we specialize in: flagstone interlocking pavers steps walls patio driveways and sealers, commercial and residential. If you are looking to beautify your outdoor space and create a natural ambience of peace and serenity, BnZ Interlocking And Design can take your vision and transform it into your personal oasis. Our talented team of landscape professionals will work with your existing surroundings and landscape and create a unique space for sheer relaxation or entertaining purposes. BnZ Interlocking And Design is dedicated to combining the great outdoors with the latest trends in landscaping products and design to create a personal haven for your family and visitors. Our experienced landscape design team can help you create the perfect backyard design from initial concept to completion. Whether you are looking to create a secluded corner in your yard to hang a hammock for an afternoon nap or dream of a patio area complete with a barbeque cooking center, we offer a full range of products and services that will turn your outdoor dream into reality. Please feel free to browse our website and discover the unique landscaping products and services we have to offer. We offer personalized landscape design services and our ideas are complimented with our unique line of products. Call BnZ Interlocking And Design and speak to a landscape design specialist.

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    • Best of Awards 2026

    Stonehouse Property Care specializes in commercial and residential Landscaping and Landscape maintenance, Decking and Fencing. Our reliable staff offers quality service you can count on and are always available to answer any questions you may have about our company and the services we provide. Whether you need a Spring Cleanup, Fall Cleanup, or Grass Cutting, we have what you need and more at prices you can afford! At Stonehouse Property Care, our goal is to provide you with courteous, professional service of the highest quality at competitive prices. If you have any questions or would like to speak with a Stonehouse Property Care representative regarding our services

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  • General contractor in Thornhill, Ontario

    We are a full-service construction company with over 10 years of experience providing residential and commercial construction services. We specialize in home additions, renovations, and design & build solutions, delivering projects from initial planning and design through to construction and final completion. Our residential services include custom home additions, full home renovations, basement renovations, and interior upgrades. On the commercial side, we work on office, retail, and light commercial renovation projects, ensuring compliance with applicable building codes and permit requirements. We work closely with our clients to understand their needs, maintain clear communication throughout the project, and provide transparent pricing. With a strong focus on quality workmanship, safety, and scheduling, we are committed to delivering reliable results for both homeowners and business clients. We have extensive experience working with permits and inspections ,Fully insured and WSIB compliant.

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  • General contractor in Thornhill, Ontario

    🏠 Molekula Contractor – Building Quality Since 2019 🛠️ ✅ Experienced Team (2–4 People) ✅ Open 7 Days a Week — Fast Scheduling ✅ Affordable & Competitive Pricing ✅ Serving Toronto, North York, and the GTA ✅ Fully Insured & Reliable Service At Molekula Contractor, we specialize in: 🔹 Custom Construction 🔹 Residential Construction 🔹 Renovations and Home Additions 🔹 Buck Frames and Basement Framing Why Choose Us? Over 5 years of proven experience Free Estimates High-quality workmanship Friendly, professional service Fast, clean, and on-budget projects Build it right — Build it with Molekula Contractor!

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  • General contractor in Thornhill, Ontario

    Hope Construction Group delivers precision rough framing built for strength, speed, and long-term performance. With over 20 years of hands-on experience in residential construction, every project is executed with disciplined accuracy, structural integrity, and a commitment to clean, efficient builds. We specialize in custom homes, additions, and full structural framing packages. From layout to final inspection, the focus is simple: tight tolerances, solid structure, and zero shortcuts. Advanced tools, modern techniques, and a forward-thinking approach ensure every frame is built to last and ready for the next phase without delays. Clients choose Hope Construction Group for reliability, clear communication, and consistent results. Deadlines are respected. Plans are followed with precision. Problems are solved before they become costly. If you want framing done right the first time, you’re in the right place.

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  • General contractor in Thornhill, Ontario

    Respectful and thoughtful handyman with years of experience. Based in East Toronto and willing to travel throughout most of the GTA and beyond. Happy to take on a wide-range of projects, I have experience with nearly all aspects of home maintenance, from minor repairs to custom woodworking. Reliable, professional and trustworthy - I am happy to help you with nearly any project you may need. I have high standards in my work and would never accept a job if I was not confident I could meet those standards.

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  • General contractor in Thornhill, Ontario

    Bathroom remodelling and redesign You manifested we achieve Custom bathrooms 100 % specialization in the art of bathroom Adding shower to powder washroom Bath tub removal Standing shower Big tiles any size Sitting bench Custom shower panels Rain shower panel Custom shower glass Big niche LED mirrors Fancy vanity lights Floating / standing vanity Smart toilet seat Fan installation Decorating panels Wall back panels Led lighting WE DESIGN-BUILD-DECORATE YOUR BATHROOM Let me help you in your project.

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  • General contractor in Thornhill, Ontario

    We are dedicated professionals specializing in house framing for custom homes and high-quality renovations. With years of experience in the industry, we take pride in building strong, reliable structures that serve as the foundation for beautiful homes. Whether you're constructing a custom home from the ground up or adding an extension, our framing expertise ensures precision and durability every step of the way. In addition to new builds, we offer a full range of renovation services tailored to enhance both the form and function of your space. From full-home remodels and restorations to kitchens, bathrooms, basements, decks, and fences—we handle it all. We’re equipped to work efficiently in occupied, fully operational homes, minimizing disruption while delivering exceptional results. Every project, big or small, is approached with the same level of commitment and care. We listen closely, work collaboratively, and bring your vision to life with craftsmanship you can count on.

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    • Best of Awards 2021

    We are a family owned and operated business, serving both Residential and Commercial clients in the Toronto and Vaughan areas. We are leaders in the green industry and take pride in our work knowing that our clients have the best curb-appeal. We deliver lush and healthy lawns by using only the highest quality products applied by professional lawn care experts. It is our business to make sure our clients are happy and to take the worry out of their property maintenance. We take excellent client service to a new level every day keeping our clients satisfied and giving them every reason to remain our clients and refer us to a family or friend. **For faster response time to property maintenance request during this busy season and for tracking purposes, please compete the "Contact Us" page on our website at www.magentapropertycare.com and we will provide a quote as requested and follow up accordingly.**

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  • General contractor in Thornhill, Ontario

    Vista Stair And Handrail Ltd is a Markham based stairmaker , Flooring Contractor, Carpenter company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or renovate stairs & repair or maintain stairs, message us so we can assist you and arrange a quote.

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  • General contractor in Thornhill, Ontario

    At Maple Ridge Roofer, we understand that the roof is your home's first line of defense. With years of hands-on experience in Ontario, we know how Canada's unpredictable climate tests every detail of a roof—from long, harsh winters and heavy spring storms to autumn leaves piling up. Every season puts your roof's quality to the test.

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  • General contractor in Thornhill, Ontario

    Green GTA Interlock and Landscaping is a professional interlocking and Landscaping Company, that proudly serve GTA, and its main purpose is to help homeowners bring the beauty and increase the value of your house deserve by providing trust and quality. Our team is highly experienced and works in a professional manner. We provide professional interlock installation, Retaining walls, Interlock Driveways & Walkways, steps & Flagstone Patio and Fireplace Backyard Decorations, Garden and Flowerbox Grass Installation and Interlocking around swimming pools. Our Team will design your landscape according to your needs, ideas & Budget. You tell us what you want and we will build it. Just like that. It was never that easy.

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  • General contractor in Thornhill, Ontario

    Experienced HVAC Technician specializing in installation, maintenance, and troubleshooting of water heaters, furnaces, and air conditioning systems. Focused on quality work, safety, and customer satisfaction.

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  • General contractor in Thornhill, Ontario

    I have over 3 years of experience installing and repairing doors and windows in Canada. I work with both residential and commercial projects. I install interior doors, exterior doors, commercial doors, windows, and also do door and window replacements and adjustments. I always try to do clean and professional work and make sure everything fits well and works smoothly. Skills- Residential doors and windows Commercial doors and windows Interior door installation Exterior door installation Door and window replacement Door and window repair and adjustments Why hire me- Reliable and professional. I care about doing a good job and making sure the customer is happy.

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  • General contractor in Thornhill, Ontario

    Experienced painter offering clean and professional interior and exterior painting services in GTA and nearby areas. I specialize in surface prep, smooth finishes, and protecting your space while working. Reliable, affordable, and detail-oriented. Free estimates and fast response.

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  • General contractor in Thornhill, Ontario

    We are custom cabinet installers who specialized in high-quality, efficient, and detail-oriented workmanship. With many years of experience in both residential and commercial settings, we can handle a wide range of cabinetry systems — from standard kitchen and bathroom installs to custom millwork and large-scale multi-unit projects. We pride ourselves on reliability, clear communication, and completing jobs on time and within budget.

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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 853 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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