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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

    Here at GTA’s Greatest Tree Arborists we offer tree removal, emergency tree removal, tree pruning, hedge trimming, stump grinding, bobcat services, hauling, firewood, milling and snow removal. Contact Lyndsey (416) 305-4177 to book your free quote today!

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  • General contractor in Thornhill, Ontario

    Thinking about a home renovation project? 🏡 It's a big step, but so rewarding! We're all about making your vision a reality, from dream kitchen 🍳 to perfect patio. Let's transform your space into something you'll love for years to come. We handle everything with care and precision, ensuring a smooth and stress-free experience for you. Get ready to fall in love with your home all over again!

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  • General contractor in Thornhill, Ontario

    Custom Steps walkways Built to last Backed By a full Warranty on All Masonry Workmanship and materials 20 years Experience 100% quality✅ 100% guaranteed satisfaction

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  • General contractor in Thornhill, Ontario

    J&J services is a Woodbridge based Demolition company, Junk Removal Specialist, Fireplace and BBQ Specialist, Business Services, General contractor, Mason & Handyman company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with demolition work & clear out or disposal household content, message us so we can assist you and arrange a quote.

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  • General contractor in Thornhill, Ontario

    **Custom Wrought Iron Gates, Fences, and Railings** Elevate your property with our handcrafted wrought iron gates, fences, and railings! Each piece is custom-designed to match your style and needs. We use durable materials for long-lasting beauty and security.

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  • General contractor in Thornhill, Ontario

    Need a General contractor,Handyman work , masonry repairs, washroom Renovation complete, framing drywall complete. Nail/out renovations.We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your project or any upgrades interior or exterior work.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2025
    • Best of Newly Listed 2024

    Your 1-Stop Renovation Shop | Serving the GTA Your home is where your family lives and grows — and we treat it that way. At STclair Design Concepts, we specialize in well-planned residential renovations throughout the Greater Toronto Area. From bathrooms, kitchens and basements to full interior & exterior upgrades, our focus is simple: clear communication, organized execution, and quality that lasts. What you can expect: • Detailed, transparent scopes of work • Quality trades • Clean, respectful job sites • Realistic timelines • No shortcuts Renovations can feel overwhelming. We make the process structured, professional, and straightforward — so you can feel confident every step of the way. We’re all about the experience! We don’t aim to be the cheapest. We aim to do it right. If you’re upgrading your home this year, let’s build it properly.

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  • General contractor in Thornhill, Ontario

    Hi, and thanks for visiting my profile! My name is Chanan, and I’m a skilled masonry contractor with a strong focus on restoration work. I specialize in brick, stone, tuckpointing, parging, fireplace, chimney, and custom masonry solutions for homeowners who care about quality and lasting results. What sets me apart is the attention to detail I bring to every job — whether it's restoring historic brickwork or fixing a cracked foundation, I approach each project with craftsmanship, respect for your home, and clear communication from start to finish. Clients often tell me they appreciate my reliability, cleanliness, and honesty. I take pride in showing up on time, doing the job right, and leaving your property better than I found it. My goal is simple: deliver high-quality work that protects and improves your home for years. If you're looking for a trustworthy professional who takes pride in masonry done properly, I'd be happy to help.

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  • General contractor in Thornhill, Ontario

    Elite pro tiling provides professional tile installation for residential and commercial projects. We specialize in ceramic, porcelain, marble, natural stone, and large-format tile, delivering precise workmanship, reliable service, and high-quality finishes. Our focus is on durability, clean installation, and completing every project on time and to the highest standard.

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  • General contractor in Thornhill, Ontario

    I have been working in trades for over 5 years as a general contractor doing big or small projects.

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  • General contractor in Thornhill, Ontario
    • Best of Awards 2026

    AP RENOVATIONS with over seven years of experience in the construction industry. Throughout our career, we have honed our skills in installing and repairing various types of flooring materials, including tiles, hardwood, laminate ,and vinyl. We possess a strong understanding of different types of adhesives, grouts, and sealants used in flooring installation, allowing us to select the most appropriate materials for each project. Additionally, We have experience operating a wide range of tools and equipment required for tile setting, ensuring smooth and seamless installations. PUNCTUALITY and QUALITY are two things we are identified with .

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  • General contractor in Thornhill, Ontario

    Hello dear client My first name is Amanda and my last name is problem solving. I have been working as a professional painter for about five years now. I enjoy what I do and I do it with high standards. I have experience in other fields such as frame, drywall, tape and much more. I like to work in an organized and clean way, which helps the project to run smoothly and efficiently. The main areas I usually work at are inside of Toronto, however I’d be willing to work in other areas if possible. I have experienced different fields in painting for example, Commercial Painting serving businesses like offices, restaurants, gyms, hospitals and more. Industrial Painting applying heavy-duty coatings, as well as epoxy floor coating, working with oil-based paint for durability in harsh environments such as factories and places with large metal structures. Construction Painting, preparing and painting new builds, staining in the wood surfaces, wallpaper removal and drywall repair. And my personally favourite Residential Painting, focusing on homes, which includes painting interior, walls, ceilings, trims, doors, cabinets, doing general touch ups and repairs. Exterior decks, fences, walls and garage doors. Let’s make your home more welcoming

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  • General contractor in Thornhill, Ontario

    IronShield Restoration specializes in bacterial growth remediation, mold removal, and post-water damage sanitation across the Greater Toronto Area. After flooding, leaks, or moisture intrusion, harmful bacteria and microbial growth can develop quickly. Our team focuses on identifying contamination, safely removing affected materials, and restoring indoor environments to a clean, safe condition. We work with homeowners, property managers, and insurance providers to remediate spaces impacted by prolonged moisture exposure, sewage backups, and hidden contamination behind walls and flooring. When moisture leaves damage behind — IronShield removes the risk.

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  • General contractor in Thornhill, Ontario

    SQFT Contracting is a local team serving Toronto and the GTA, specializing in drywall installation, taping, patch & repair, and interior painting. We also provide tile installation, flooring (laminate and hardwood), and light demolition services. From small repairs to full room projects, we focus on clean, smooth finishes and attention to detail. We show up on time, keep the workspace clean, and make sure the job is done right. Reliable, easy to work with, and committed to quality results every time.

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  • General contractor in Thornhill, Ontario

    Pahals construction 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 Pahals construction now to discuss your needs and arrange a quote.

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  • General contractor in Thornhill, Ontario

    Hi there! 👋😄 I’m a hardworking, reliable, and detail-oriented professional with solid experience in home improvement and renovation services 🔨🏠 I specialize in painting 🎨, drywall repair 🧱, flooring 🪵, and general handyman work 🛠️. From small fixes to full projects, I always deliver clean, high-quality results and make sure every customer is 100% satisfied ✅ I take pride in my work and treat every home like my own. I’m always on time ⏰, respectful, and focused on getting the job done right the first time 💯 If you’re looking for someone skilled, honest, and easy to work with, I’m here to help 🙌 Let’s bring your ideas to life! 🚀✨

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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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