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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

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  • General contractor in Thornhill, Ontario

    I provide professional residential and commercial cleaning services throughout Toronto and the GTA. With over 12 years of experience working for the school board, I have developed extensive knowledge of professional cleaning procedures, sanitation practices, and maintaining facilities to strict cleanliness and safety standards. My experience includes cleaning and maintaining classrooms, offices, washrooms, common areas, and high-traffic spaces where attention to detail and consistent results are essential. I understand the importance of creating clean, healthy, and welcoming environments for families, employees, and visitors. Services include regular house cleaning, deep cleaning, move-in/move-out cleaning, office cleaning, dusting, vacuuming, mopping, bathroom and kitchen cleaning, and general housekeeping. I take pride in being reliable, punctual, and thorough, ensuring every job is completed to a high standard. Customer satisfaction is my priority. Whether you need a one-time cleaning or ongoing service, you can expect professional workmanship, honest communication, and dependable service every time.

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  • General contractor in Thornhill, Ontario

    General contracting business specializing in restoration services like plumbing, drywall, flooring, trim, paint, etc. We also do renovations, popcorn ceilings, framing and more!

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  • General contractor in Thornhill, Ontario

    Welcome to Toronto Cleaners– Where Cleanliness Meets Care Hi there! 👋 We’re Toronto Cleaners your trusted local cleaning service dedicated to making your home, office, or rental property sparkle. With a focus on reliability, quality, and customer satisfaction, we go beyond surface cleaning to create spaces that feel fresh, healthy, and stress-free. Whether you need: 🪟 Window Cleaning inside outside 🧹 Regular home cleanings 🧼 Deep cleaning and disinfection 🏢 Office or commercial space maintenance 🏡 Move-in/move-out cleanups 🧽 Post-construction cleaning 🚿 Power wash of driveways, Deck, House, Parking lots and so on. ...we’ve got the skills, tools, and heart to get the job done right—every time. Why Choose Us? ✔️ Trained and trusted professionals ✔️ Eco-friendly products available ✔️ Flexible scheduling ✔️ 100% satisfaction guaranteed We treat your space like it’s our own—clean, cared for, and ready for whatever comes next. Let’s make you space shine.

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  • General contractor in Thornhill, Ontario

    Hello, I’m a professional drywall installer and finisher with a strong focus on quality, reliability, and clean results.I have over 10 years of experience in drywall and I handle everything from new installs and repairs to taping, mudding, and smooth finishes that are ready for paint. I take pride in precise work, clear communication, and leaving job sites neat and on schedule. If you’re looking for solid craftsmanship and a straightforward, honest approach, I’d be glad to help bring your project together.

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  • General contractor in Thornhill, Ontario

    We are doing quality work , give us a call for free estimate Services- Gutters Soffit fascia Siding caping Metal roof Roofing

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  • General contractor in Thornhill, Ontario

    Good Job Renovations is a Mississauga based Flooring Contractor, Handyman, Carpenter, Tiler, Stairmaker, Cabinet maker, Interior decorator, Interior designer, General contractor, Mason, Metal worker & Concrete Specialist company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install or replace wooden floor or parquet, epoxy flooring, install laminate floor, install vinyl, linoleum or pvc floor, repair floor, install or renovate stairs, repair or maintain stairs & refinish or polish floor, message us so we can assist you and arrange a quote.

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  • General contractor in Thornhill, Ontario

    Sofa Junction is a professional upholstery and furniture repair company specializing in sofa repair, custom upholstery, furniture restoration, foam replacement, stitching, polishing, and furniture refinishing services. We are committed to bringing old and damaged furniture back to life with quality craftsmanship, affordable pricing, and reliable customer service. At Sofa Junction, we work with residential and commercial clients to repair and customize sofas, chairs, beds, cushions, and other furniture pieces. Our goal is to provide durable, stylish, and comfortable furniture solutions that match our customers’ needs and lifestyle. We take pride in our attention to detail, timely service, and customer satisfaction. Whether it’s a small repair or a complete furniture makeover, Sofa Junction delivers professional results with care and experience. Services Include: * Sofa Repair & Restoration * Custom Upholstery * Foam Replacement * Cushion Repair * Furniture Polishing * Bed & Chair Repair * Commercial Upholstery Services * Fabric Replacement & Stitching Sofa Junction — Quality Furniture Repair You

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  • General contractor in Thornhill, Ontario

    Reliable plumbing done right the first time. We specialize in residential and commercial plumbing, from rough-ins and drain work to full system installs. Every job is completed with attention to detail, clean workmanship, and long-lasting results—even the work you don’t see is done right. Proudly serving with honest pricing, quality materials, and a commitment to getting it done properly. Whether it’s a small fix or a full build, we treat every job like it’s our own.

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

    Our company goal is to have always happy customers! To achieve this our team it’s skillful polite and well educated! Our company take very seriously your projects,we take care job to be completed always in time with professionalism. Our company works like Swiss watches,timing it’s very important this days,we always complete jobs in time,no excuses are allowed in our team Whatever we say first day it will be like that until project it’s done!

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  • General contractor in Thornhill, Ontario

    I am a General Contractor with over 30 years of experience doing renovations to repairs indoors and outdoors doing general repairs drywall, painting, chalking, remove and install window coverings, to replacing light fixtures to installing new nest and ring products we do demolition / renovations of Kitchens , Bathrooms , Basements , Decks and Fencing to junk removal , assemble cabinets, build custom cabinets for walk-in closets and much more.

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  • General contractor in Thornhill, Ontario

    We bring freshness, color, and care to every project—delivering spotless results, flawless finishes, and complete customer satisfaction.

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  • General contractor in Thornhill, Ontario

    ✨ Our Services: • Drywall & Framing • Basement Finishing • Kitchens & Bathrooms • Painting & Flooring • Full Home Renovations ✅ Licensed & Insured ✅ Free Estimates ✅ On-Time & On-Budget Guarantee 📍 Serving Toronto & GTA

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  • General contractor in Thornhill, Ontario

    Performance Home Renovations is a licensed and insured full-service renovation company based in the Golden Horseshoe, proudly serving homeowners across the region. We specialize in high-quality residential projects ranging from Lakeshore Boulevard basement renovations to custom outdoor kitchens at Friday Harbour and beyond. Owned and operated by Evan White, Performance Home Renovations is committed to craftsmanship, clear communication, and reliable timelines. Whether it’s a full remodel or a custom upgrade, we deliver results built to last and tailored to each client’s vision.

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  • General contractor in Thornhill, Ontario

    Have 20 years of experience in landscaping, decks and fencing. Available to fix any issues you have

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  • General contractor in Thornhill, Ontario

    With over 6 years of hands-on experience, I specialize in popcorn ceiling removal, all types of drywall repairs, and top-quality paint jobs that transform spaces. Whether it’s patching, painting, or perfecting your walls, I bring precision, reliability, and a clean finish to every project. I also offer a range of handyman services to keep your home in top shape — no job too small, no detail overlooked.

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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 842 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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