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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’m have 10 years experience on construction ( plumbing, electrical and handyman

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  • General contractor in Thornhill, Ontario

    With years of plumbing experience, I help homeowners and businesses solve plumbing problems quickly and stress-free. I’m known for showing up doing clean, quality work, and treating every job like it’s my own home. This includes diagnosing leaks, repairing or replacing faucets and fixtures, clearing clogged drains, fixing toilets, and addressing water pressure problems. Your comfort and satisfaction always come first.

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  • General contractor in Thornhill, Ontario

    Renovation by Doma Craft— we create perfect interiors for your home and office. Fast, reliable, quality.

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  • General contractor in Thornhill, Ontario

    Last Nail Demolition and Waterproofing is a trusted company specializing in demolition, excavation, waterproofing, grading, trenching, foundation preparation, and site cleanup across the Greater Toronto Area. We are committed to delivering safe, efficient, and high-quality workmanship on every residential and commercial project. Our team takes pride in professional service, attention to detail, and reliable results that customers can count on. From interior and exterior demolition to drainage and foundation-related work, we focus on doing the job right, keeping sites clean, and completing projects on schedule. At Last Nail Demolition and Waterproofing, customer satisfaction, safety, and long-lasting results are always our top priorities.

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  • General contractor in Thornhill, Ontario

    Premium Demolition is a local GTA business specializing in demolition, selective deconstruction, interior strip-outs, and junk removal. We provide fast, clean, and safe work for houses, condos, basements, kitchens, bathrooms, and commercial spaces. Our focus is on precision, safety, and protecting the parts of the home that need to stay. We always secure the workspace, use professional equipment, and leave the area clean and ready for the next stage of the renovation. Services we provide: • Interior demolition • Selective demolition / deconstruction • Kitchen & bathroom demolition • Basement demolition • Flooring & tile removal • Junk removal & debris hauling • Light abatement support Why clients choose us: • Free estimates • Fast availability • Transparent pricing • Full cleanup after every job • Professional and reliable service If you’re looking for a solid, punctual, and detail-focused demolition team, Premium Demolition gets it done — with passion and precision.

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  • General contractor in Thornhill, Ontario

    Hi, my name is Nazarii. I’m a dedicated and reliable handyman with strong experience in demolition, renovations, and general home repairs. Even though I’m just starting out as an independent handyman, I take every project seriously and always focus on quality, safety, and customer satisfaction. My goal is to make sure every job — big or small — is done right and on time.

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  • General contractor in Thornhill, Ontario

    Get Connected to a Local Plumber in Minutes Don't waste time calling around. Describe your problem, and we'll match you with a vetted GTA plumber fast — 24/7.

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  • We understand that your home is an important and valuable asset. Our approach to each unique project is to create a harmonious space that reflects your wants and needs, while maximizing the return on investment. We are a fully licensed general contractor with a team of highly skilled tradespeople. We provide high quality, professionally installed products and project management services for homes and businesses across the Greater Toronto Area and beyond. As a general contractor, we are equipped to take on as much or as little of your project, as needed. Our complete service includes architectural design plans, permits, engineering and full construction.

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  • General contractor in Thornhill, Ontario

    We deals with Shower glass, Railings, office partitions, porches, kitchen glass backsplash all type of mirrors

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  • General contractor in Thornhill, Ontario

    Brown Town Painting can help you with your interior painting, exterior painting, install or replace roof, wallpaper room, remove wallpaper, repair kitchen cabinets, decorative painting, repair or transform furniture & small staining or painting project 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 Brown Town Painting now to discuss your needs and arrange a quote.

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  • General contractor in Thornhill, Ontario

    East Pro Contracting Group offers commercial and residential construction management services in Durham Region and East GTA. With over 10 years of experience, we have helped countless clients complete their whole home renovations, additions and new construction builds. We provide all the necessary resources to assist with preparing creative designs, applicable building permits as well as managing and completing your project on budget, on time and with the highest level of quality workmanship. Whether we are drawing inspiration from modern trends, finding unique solutions to renovation challenges or simply creating a space that showcases your true colours, we can help to customize a plan and create a budget for your next project! Service areas include (but not necessarily limited to) Scarborough, East York, North York, Markham, Stouffville, Claremont, Uxbridge, Pickering, Ajax, Whitby, Oshawa, Courtice, Bowmanville.

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  • General contractor in Thornhill, Ontario

    Professional exterior and interior painters and general contractors with over 20 years experience all over GTA Area. excellent customer service, quality workmanship and materials, warm friendliness and very, very competitive pricing all come together to carry you into a most wonderful transformation in your home. we provide people with not only the proper prep work and the correct painting techniques, but to investigate problems for their causes & correct solutions. We work with all budgets. All jobs big or small, high places & tough places, repaint or restoration. Let us give your home a fresh look We are also professional in window box repairs such as fixing broken frames, rotten wood caulking, trimming and painting. This will save you thousands of dollars in window replacement. We also provide professional power washing driveways, siding, decks and windows.

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  • General contractor in Thornhill, Ontario

    Hi I’m looking for work I always get done good job customer happy that is my goal I can do carpet installation vinyl flooring I good for repair any kind inside house outside patio fence any kind woods working.thanks

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  • General contractor in Thornhill, Ontario
    • Best of the Best 2025
    • Best of Awards 2026

    Attic Insulation, basement insulation, insulation removals & Spray Foam Specialists! Logik Roofing & Insulation  Is one of the leading Roofing, Attic/basement Insulation & Spray Foam Experts In the GTA,  providing top quality customer service and workmanship using the best available products at a competitive rate. Our Roofing & Insulation knowledge go hand in hand to give our customers the best possible Roof and insulation system possible. Our services include: Install Spray Foam Insulation Free Onsite Evaluations & Estimates Roofing Attic Insulation Upgrades Attic Ventilation Attic Insulation Removal Roof Vent Installation Attic Exhaust Hose Venting Draft Proofing Attic Disinfection Rolled Blanket Insulation Batt insulation Drywall Up To Date Knowledge On Available Attic Insulation Rebates In Ontario Why Choose Logik Roofing & Insulation HomeStars Best Of 2018 to 2024 Verified HomeStars company We Offer Financing WSIB Compliant, $5 Million Dollar Liability Insurance Highly Skilled, Professional And Knowledgeable Team 100% Satisfaction Guarantee

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  • General contractor in Thornhill, Ontario

    Reliable and detail-oriented handyman services specializing in window, door, and mirror installation, as well as furniture assembly and general home repairs. We take pride in delivering high-quality workmanship, clean results, and friendly customer service. Whether it’s a small fix or a full installation, we make sure every job is done right and on time. Services Offered: • Window and door installation • Mirror mounting and wall hanging • Furniture assembly (IKEA and others) • Minor home repairs and maintenance • Caulking, trimming, and finishing work Your home deserves the best — we’re here to make it happen!

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  • General contractor in Thornhill, Ontario

    Continuing a family tradition of European master carpentry and craftsmanship, the Finesse Finish Carpentry is a privately owned company that is built on superb quality workmanship and client satisfaction. What defines our company as well as sets us apart from many others is that we stand for unparalleled quality and precision work from start to finish with every project we undertake. We offer a full spectrum of carpentry services and deliver them in a timely manner and within the client’s budget parameters. With a team of highly skilled and experienced professionals, we are equipped to undertake carpentry projects of any size. From small-scale remodeling to large-scale renovations, our focus is always on quality and superior customer service. We work directly with our clients to create a uniform vision, achieved through great attention to detail and a supreme level of professional advice. We also collaborate with highly talented designers and architects to complete custom projects for their clients. Our business thrives through the networks we develop and our impeccable eye for great work. Finesse Finish Carpentry – a company built on respect for its clients, superior craftsmanship, professional tradesmen,

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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 858 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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