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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 am a renovation expert with over 14 years of hands-on experience in the construction industry. As a certified electrician, I provide reliable, code-compliant, and high-quality workmanship across residential and commercial projects. My services include: • Flooring installation (all types) • Custom shower design & installation • Painting (interior & exterior) • Door installation • Complete plumbing services • Electrical work and upgrades • Full renovation solutions from start to finish I am committed to quality, safety, and customer satisfaction, delivering projects on time and within budget.

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  • General contractor in Thornhill, Ontario

    StilStack Contracting is a reliable and detail-driven construction company dedicated to delivering high-quality work on every project. We specialize in a wide range of services, including demolition, interior renovations, bathroom remodeling, drywall installation and finishing,Finish carpentry ,painting,Junk Removal and expert flooring solutions such as tile, hardwood, and laminate. With a strong commitment to craftsmanship, clear communication, and client satisfaction, we work closely with homeowners and businesses to bring their vision to life. Whether you’re updating a single room or transforming an entire property, StilStack Contracting provides dependable service and professional results you can trust.

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  • General contractor in Thornhill, Ontario

    Caulking services Caulking re-caulking in GTA and Toronto ◆CAULKING SERVICES We can help you find a caulking And sealant solution -OUR SERVICES: •doors •windows •garages •pipes •Expansión & control joints •Exterior openings (windows&doors) •Granite, Marble, Precast & Tile •Hardie board siding •Walkways & Patios •Stucco •Mortar repair

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  • General contractor in Thornhill, Ontario

    We are a full-service home and commercial renovation company specializing in high-quality projects. Our expertise includes complete renovations, kitchens, bathrooms, basements, flooring, framing, drywall, painting, and full electrical services, all managed by one licensed and experienced team. We are committed to delivering exceptional craftsmanship, maintaining clear communication, and ensuring every project is completed efficiently, on schedule, and to the highest standard.

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  • General contractor in Thornhill, Ontario

    I have many skills that would be good for this job such as renovation installing toilets painting walls kitchen sink and countertop installing door installing lights cleaning

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  • General contractor in Thornhill, Ontario

    Need a Mason, Fireplace and BBQ Specialist, General contractor, Roofing specialist & Handyman based in Scarborough or nearby? Aires Masonry 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

    Hello, I am an experienced general contractor with over a decade of experience in the construction industry, specializing in various aspects of residential construction. I am equipped to handle a broad range of projects and offer expert advice. Should you require assistance or professional guidance, please don’t hesitate to contact me.

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  • General contractor in Thornhill, Ontario

    We over 18 years of hands-on experience, DRB Plumbing is your trusted expert for all plumbing needs — big or small. Specializing in rough-ins, leak detection, repairs, installations, and full-service plumbing solutions, we bring knowledge, reliability, and quality workmanship to every job. At DRB Plumbing, we pride ourselves on being dependable, efficient, and committed to customer satisfaction. Whether it’s residential or commercial work, we get it done right the first time.

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  • General contractor in Thornhill, Ontario

    Operation as Kota Plumbing. Local plumber specializing in residential and commercial plumbing. Trusted quality work. Licensed and insured.

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  • General contractor in Thornhill, Ontario

    I am very professional and organized. I take my job seriously. I have 10 year experience

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  • General contractor in Thornhill, Ontario

    AnchorPoint Property Services is a locally owned and operated business focused on delivering reliable lawn care and property maintenance. We specialize in lawn mowing, trimming, yard cleanups, mulch installation, and hedge trimming. Our goal is simple — to provide clean, professional results and dependable service every time. Whether it’s regular lawn maintenance or seasonal cleanup, we take pride in making your property look its best. We are committed to honest work, clear communication, and customer satisfaction. 👉 Done Right. Every Time.

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  • General contractor in Thornhill, Ontario

    Sparkle Cleaning Co. specializes in premium residential and commercial cleaning tailored to your needs. I combine professionalism with a meticulous eye for detail, ensuring every surface shines. My mission is simple: deliver a clean, fresh, and welcoming space that exceeds expectations every time.

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  • General contractor in Thornhill, Ontario

    Shine Urban Staging is a professional home and condo staging company serving the Greater Toronto Area. Founded by Dori Shelef, we specialize in vacant home staging, occupied home staging, condo staging, and luxury property staging for sellers and real estate agents across Toronto, North York, Scarborough, Etobicoke, Mississauga, Vaughan, Markham, Richmond Hill, and Oakville. Our staging transforms properties into magazine-worthy spaces that photograph beautifully and sell faster. We offer full furniture and décor installation for vacant properties, strategic restyling for occupied homes, and short-term furniture rental for the duration of your listing. With deep knowledge of the GTA real estate market and a curated inventory of contemporary staging furniture and accessories, Shine Urban Staging helps sellers present their properties at their highest value — from entry-level condos to luxury freehold homes.

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    • Best of Awards 2026

    Grand Landscaping & Interlocking is a boutique contracting company specializing in landscape construction services. We pride ourselves on delivering our clients with durable and beautiful landscapes, at fair and affordable prices. We offer a range of landscape construction services, making us a one-stop shop for all our clients' landscaping needs. We build driveways, patios, walkways, stairs, decks, fencing, and specialty features like outdoor kitchens, planters and retaining walls. We also do repairs and demolition. We communicate with our clients throughout the construction process to ensure the completed landscape surpasses their expectations. Our commitment to our clients is reflected in our 10/10 average customer rating on Homestars. Our small team of experienced craftsmen are ready to help you build the landscape of your dreams. Contact us today!

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  • General contractor in Thornhill, Ontario

    I’m doing kitchen cabinets and custom closets for almost nine years and I will stay beside my clients from the beginning which is taking a final measurement, making 3D design of course after getting the deposit by sketch up , Mozaik and giving them the items which is everyday usable and beautiful design and for all the projects I am coming and working with my staff for installation because most important things for my business is taking care of everything like floors, drywall, no garbage or nails or any other stuff like that on the floor specially when there is a kid in the house during our work.

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  • General contractor in Thornhill, Ontario

    Hi, I’m the owner of NRG Lawn Care, proudly serving homeowners across Toronto and surrounding areas. We specialize in reliable weekly and bi-weekly lawn maintenance, including mowing, trimming, edging, and full seasonal cleanups. At NRG, we focus on clean lines, consistent scheduling, and treating every property like it’s our own. We show up on time, communicate clearly, and make sure your lawn looks sharp all season long. Whether you’re looking for stress-free seasonal service or a one-time cleanup, we’re here to help. Looking forward to earning your trust and keeping your lawn in top shape!

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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 866 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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