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Some of our top rated window contractors in Thornhill, Ontario

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  • Window Contractor in Thornhill, Ontario

    With years of hands-on construction and renovation experience, we proudly specialize in large-scale projects, including whole-home renovations, full interior gut-and-rebuilds, and complete from-the-ground-up transformations. Whether you’re reimagining your entire space or restoring the character of an older home, we bring the expertise to make it happen smoothly and professionally. We’re just as dedicated to the details that make your space feel like a warm, cozy home you love coming back to. From professional painting, new flooring, baseboard and trim updates, door installation, window trim and casings, to plumbing and electrical work, we handle every finish with care so your home not only looks great, but feels welcoming, comfortable, and lived in. As your one-stop renovation partner, we are committed to: On-Time Completion Exceptional Craftsmanship 100% Customer Satisfaction Our commitment is to make pride and comfort a standard every homeowner can afford—with no compromise on high quality.

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  • Window Contractor in Thornhill, Ontario

    ProNexa Renovations Inc. is a professional interior renovation company serving Toronto and the Greater Toronto Area. With over six years of hands-on experience, we provide reliable workmanship for residential homes, condominiums, and apartments. Our services include demolition, interior framing, drywall installation and finishing, painting, flooring, tile installation, kitchen cabinets, bathroom vanities, doors, baseboards, trim, and complete renovation projects. We focus on quality, attention to detail, clear communication, protecting our customers’ property, and keeping every work area clean and organized. ProNexa Renovations Inc. carries $5 million in commercial general liability insurance and is ready to help bring your renovation project from start to finish

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  • Window Contractor in Thornhill, Ontario

    Structural engineering firm focusing on residential projects, solar, project management and home renovations.

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  • Window Contractor in Thornhill, Ontario

    Trailhead Contracting specializes in high-end home remodeling and renovations, with a focus on transforming kitchens and bathrooms into beautiful, functional spaces. We combine quality craftsmanship, thoughtful design, and attention to detail to transform your house into a home that reflects your unique style, needs, and vision. Your home, uniquely yours.

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  • Window Contractor in Thornhill, Ontario

    Elite Homeworks Renovation is a full-service remodeling company specializing in high-quality home renovations. We handle all aspects of remodeling, including kitchen and bathroom renovations, flooring installation, carpentry, painting, custom cabinetry, and complete home makeovers. With expertise in both rough and finish carpentry, we deliver exceptional craftsmanship, attention to detail, and tailored solutions to meet each client’s unique needs. Whether it’s a minor upgrade or a full-scale renovation, we bring experience, reliability, and precision to every project, ensuring outstanding results that enhance both functionality and aesthetics.

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  • Window Contractor in Thornhill, Ontario

    Dedicated to providing top-quality solutions for your home. Experienced, fully insured, and committed to getting every detail right.

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  • Window Contractor in Thornhill, Ontario

    We are a reliable and honest small company offering finish carpentry, drywall installation, taping, plastering, and painting services. We believe in working side by side with our clients from start to finish, delivering projects on time with quality craftsmanship and full satisfaction.

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  • Window Contractor in Thornhill, Ontario

    SMH Garage Doors provides professional garage door repair, installation, and maintenance services across the Greater Toronto Area. We specialize in broken spring replacement, cable and roller repair, garage door openers, off-track doors, panel replacement, and new garage door installation. We are committed to fast, reliable service, fair pricing, quality workmanship, and customer satisfaction. We offer same-day service whenever available and take the time to explain the problem and the best solution before starting the work. Whether you need an urgent repair or a complete new garage door installation, SMH Garage Doors is ready to help get your door working safely and smoothly.

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  • Window Contractor in Thornhill, Ontario

    Your Trusted Property Maintenance & General Contracting Experts! Need reliable, high-quality property maintenance or general contracting services? Look no further! List of Services: Property Maintenance: Lawn care, Snow removal, Seasonal clean-ups, etc. General Contracting: Home renovations, Landscaping, Flooring, Painting, and Custom Projects. Emergency Services: Quick response for urgent maintenance or repairs. "Snowstorm hit? We’ve got you covered with fast, reliable snow removal—when you need it most!" Service Areas: We proudly serve York Region, Simcoe, and the GTA, providing expert services you can count on. Why Choose Us: Experienced & Professional Team – We’ve got the skills to get the job done right. Personalized Service – We work with you every step of the way to ensure your vision is brought to life. Affordable & Transparent Pricing – No hidden fees, just honest work. Call to schedule your free estimate today!

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  • Window Contractor in Thornhill, Ontario

    Hello my name is mustafa Azizi. My company name is ahyan renovation & construction. I provide all kinds of services, mainly in fence and deck landscaping, framing drywall, demolition and cleaning

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  • Window Contractor in Thornhill, Ontario

    Glass replacement and window repairs

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  • Window Contractor in Thornhill, Ontario

    I'm a detail-oriented and reliable handyman with a background in Electrical Engineering and hands-on experience in technical setups, equipment installation, and home improvement projects. I take a practical, problem-solving approach to every job, whether it's assembling furniture, mounting fixtures, installing equipment, making minor repairs, or helping improve the functionality of a space. With my engineering background and experience managing studio builds, I understand the importance of precision, safety, organization, and getting things done right the first time. I believe no job is too small to deserve quality work. My goal is simple: provide dependable service, communicate clearly, and leave every space better than I found it.

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  • Window Contractor in Thornhill, Ontario

    True North Epoxy & Flooring Services At True North Epoxy & Flooring Services, we specialize in high-quality epoxy flooring solutions for residential and commercial properties. We offer flake epoxy flooring, metallic epoxy flooring, garage floor coatings, and durable, non-slip epoxy solutions for commercial washrooms and other spaces. Our goal is to provide durable, attractive, and long-lasting floors with attention to detail and quality workmanship. We believe in honest communication, reliable service, and helping every customer find the right flooring solution for their needs. We proudly serve Toronto, Brampton, Mississauga, and the Greater Toronto Area (GTA). Contact us today for a free estimate!

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  • Window Contractor in Thornhill, Ontario

    Progressive Pro's Construction offers comprehensive contracting services for residential, commercial, and multi-unit projects across Ontario. While our primary specialties include wood and steel framing, drywall installation, taping, mudding, and painting, our full-service team also provides electrical, plumbing, flooring, and end-to-end project management. We handle complete drywall renovations, popcorn ceiling removal, new builds, and basement finishing, with a strong focus on high-quality craftsmanship, clear communication, and competitive pricing. Our team is fully insured, punctual, and committed to maintaining clean and safe jobsites.

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  • Window Contractor in Thornhill, Ontario

    Sibel Construction Corp specializes in concrete, interlocking pavers, landscaping, stone and brick work, retaining walls, outdoor stairs, and exterior construction. We take pride in delivering durable, high-quality results with attention to detail and exceptional customer service. Whether it’s a driveway, walkway, patio, or custom outdoor project, fence, deck our team is committed to excellence from start to finish.

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  • Window Contractor in Thornhill, Ontario

    Level One Drywall Finishing is a professional drywall finishing company providing high-quality taping, mudding, sanding, and surface preparation services for residential and commercial construction projects. The business is focused on quality craftsmanship, dependable scheduling, and professional service

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4.9

Top rated Window Contractors

Our Window Contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 553 reviews from homeowners like you.

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What types of services are offered by window installers in Thornhill, Ontario?

Window installers in Thornhill, Ontario provide solutions for a wide range of home and business needs. Working with a pro ensures projects are completed efficiently and are tailored to your property’s specific requirements.

Popular services offered by window contractors in Thornhill, Ontario include:

  • Installing or replacing glass windows to improve energy efficiency and ensure your home is protected from drafts

  • Installing or replacing window frames to upgrade aging or damaged frames and provide a secure foundation for new window panes

  • Integrating or replacing skylights or light domes to bring natural light into darker areas of the home

  • Fitting or replacing insect screens to keep bugs out while allowing fresh air to circulate

  • Repairing windows to fix issues like broken seals, damaged hardware, sticking tracks, or cracked panes

  • Repairing dormers or skylights to address leaks, worn flashing, or structural problems that can cause moisture damage if left untreated

  • Weatherproofing windows and doors to help homes handle extreme cold, snow, and temperature fluctuations

Find the right window contractor in Thornhill, Ontario with ease. Share the details of your project on HomeStars, and local pros will get in touch. Browse their profiles, see past work, and request quotes to make an informed decision for your home or business.

What are the average costs of window installation and replacement contractors in Thornhill, Ontario?

Before you start working with a window contractor in Thornhill, Ontario it’s helpful to understand typical pricing. Knowing the usual costs for window work in your area can help you plan your budget and choose the right materials.

Most window contractors in Thornhill, Ontario provide flat project quotes for both repairs and installations. This pricing usually reflects the type of window, labour involved, materials, disposal fees, and any additional features such as energy-efficient glass or custom sizing.

For common window installation and replacement jobs in Thornhill, Ontario, expect the following:

  • Standard vinyl window replacement cost: $300 to $800 per window, including installation
  • Energy-efficient or triple-pane window installation: $600 to $1,200 per window
  • Installing or replacing window frames: $600 to $1,200 per window
  • Installing or replacing skylights or light domes: $1,000 to $4,000+
  • Installing or replacing insect screens: $50 to $150 per window
  • Repairing dormers or skylights: $300 to $1,200
  • Minor window repairs (resealing, hardware fixes): Often $150 to $500
  • Weatherproofing windows and doors: $5 to $10 per window; $200 to $600 for all windows and doors

Find window contractors in Thornhill, Ontario on HomeStars

Whether you need a simple repair or full window replacements, connecting with window contractors in Thornhill, Ontario is straightforward. HomeStars makes it easy to find the right fit for your project.

How to hire Thornhill, Ontario window installation contractors on HomeStars:

  1. Start by posting your project. Clearly outline the type of window installation or repair you’re planning, and add pictures to help window contractors in Thornhill, Ontario understand the job.

  2. Compare profiles, review work history and read customer feedback for window installation and window replacement contractors in Thornhill, Ontario.

  3. Connect with multiple window contractors in Thornhill, Ontario to discuss your project, request quotes and ask any questions.

  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system helps highlight those who deliver great results and flags issues when work doesn’t meet expectations.

Thanks to HomeStars, you find and compare local window contractors in Thornhill, Ontario easily. All window installers in Thornhill, Ontario who join our platform are verified through ID and company checks, so you can hire with confidence.

What to ask a window contractor in Thornhill, Ontario before hiring?

If you’re wondering how to choose a window contractor in Thornhill, Ontario, these questions can help you find the right match for your project.

Are you licensed and insured?

It’s always a good idea to confirm that window contractors in Thornhill, Ontario have the proper licensing for your area and carry insurance. This protects you in case of accidents or damage during installation or repairs.

What materials and window types do you recommend?

The right window contractor in Thornhill, Ontario will explain the options available, such as vinyl, aluminum, wood, or energy-efficient windows, and advise on what works best for your home and climate.

How do you handle unexpected issues?

Occasionally, Thornhill, Ontario window installers encounter problems like hidden water damage or framing issues. Knowing in advance how they handle additional work or costs can save stress later.

Will you take care of permits if required?

Some window installations, particularly egress windows, large replacements, or projects involving structural changes, may require permits from your municipality. It’s important to ask window contractors in Thornhill, Ontario whether they handle the permit application and approval process or if that responsibility falls to you.

FAQ: Common questions about window contractors in Thornhill, Ontario

Do Thornhill, Ontario window contractors offer warranties or guarantees?

Many window installers in Thornhill, Ontario provide warranties on both materials and installation. Clarifying coverage protects you if problems arise after the project is complete.

Do Thornhill, Ontario window contractors provide custom solutions for unique window sizes or shapes?

Many window installers in Thornhill, Ontario can create or source custom windows for bay, bow, arched, or non-standard openings to ensure a proper fit and finish.

Can Thornhill, Ontario window contractors handle both residential and commercial projects?

Some window installation and replacement contractors in Thornhill, Ontario specialize in residential homes, while others also work on commercial buildings. Make sure your preferred Thornhill, Ontario window contractor has experience with the type of property you need serviced.

Can window contractors in Thornhill, Ontario replace or upgrade windows while I’m living in the home?

Some window contractors in Thornhill, Ontario can work efficiently without major disruption, while others may require rooms to be cleared or temporarily vacated. Clarify this before hiring.

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