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Some of our top rated window contractors in Thornhill, Ontario

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  • Window Contractor in Thornhill, Ontario

    🏡 Club Construction Your Trusted Partner for Custom Home Renovations in the GTA - We do Finance! For over 10 years, Club Construction has proudly served homeowners across Toronto, Mississauga, Barrie, Oshawa, and many other areas in the GTA and Southern Ontario, delivering high-quality renovations/remodeling that blends craftsmanship, warrantied work, affordable payment plans and transparency. As fully licensed and insured contractors, we specialize in: Custom Home Renovations Kitchen & Bathroom Renovations Basement Finishing & Remodel Luxury Interior Upgrades And more! Why Choose Us? ✅ Over 98% customer satisfaction in more than 10 years in business. ✅ Fully Licensed and Warrantied work ✅ Free, No-Obligation Quotes – Transparent pricing with no hidden fees. ✅ Local Expertise – Serving the GTA for over 10 years, with deep knowledge of Ontario building codes and homeowners' preferences and challenges. ✅ Affordable Finance - 0 Down, options with 0% interest and 0 payments* "We treat every project like it’s our own home—delivering on time, on budget, and no shortcuts." – Karim Fahim, Founder Contact us today for a personalized FREE consultation.

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  • Window Contractor in Thornhill, Ontario

    SD Concrete is a trusted concrete contractor serving Brampton, Mississauga, Caledon, Toronto, and surrounding areas. We specialize in residential and commercial concrete services, delivering durable, high-quality workmanship with attention to detail. Our services include: * Concrete driveways * Walkways and sidewalks * Patios and concrete pads * Stamped concrete * Garage floors * Concrete curbs and steps * Concrete repairs and resurfacing * Exposed aggregate finishes At SD Concrete, we are committed to providing reliable service, competitive pricing, and professional results that enhance the beauty and value of your property. Customer satisfaction is our top priority, and we take pride in completing every project on time and to the highest standards. Free estimates available. Contact SD Concrete today to discuss your next project.

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  • Window Contractor in Thornhill, Ontario

    Building strong foundation, one frame at a time Jo construction delivers expert framing and construction services for homes offices and commercial spaces Quality craftsmanship, reliable services and PROJECTS BULIT TO LAST

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  • Window Contractor in Thornhill, Ontario

    Balanceart Design and Construction INC. provides quality construction and renovation services in Bradford, Newmarket, and nearby areas, specializing in fences, decks, and interlocking. The company also offers drywall, flooring, landscaping, and general renovations with a focus on reliable workmanship and customer satisfaction. Balanceart Design and Construction INC. is a construction company serving clients in Bradford, Newmarket, and surrounding areas. The company specializes in outdoor and renovation services, with a strong focus on fences, decks, and interlocking projects. They also offer additional services such as drywall, flooring, landscaping, and general renovations. Balanceart Design and Construction INC. is committed to delivering quality workmanship and reliable service for both residential and improvement projects. Their goal is to provide functional, durable, and visually appealing results tailored to each client’s needs. Balanceart DC

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  • Window Contractor in Thornhill, Ontario

    .We do all types of home renovations and repairs you name it ! .20+ years of experience. . We service in the GTA and surrounding areas. . Affordable prices.

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  • Window Contractor in Thornhill, Ontario

    Im very familiar with my customers and professional in my work

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  • Window Contractor in Thornhill, Ontario

    BuildTheory Inc is a Toronto-based design and build company specializing in residential renovations across the Greater Toronto Area. We handle basement renovations, kitchen and bathroom remodeling, whole-home interior renovations, and waterproofing and structural work — managing every project from initial design and scope of work through permits and final finishing. Our team focuses on detailed project planning, transparent client communication, and quality craftsmanship on every job. Whether you're finishing a basement, updating a kitchen, or renovating your entire home, BuildTheory brings hands-on project management and clear documentation to keep your renovation on time and on budget. Serving Toronto, Mississauga, Vaughan, Markham, and surrounding GTA neighborhoods. Contact us for a free quote

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  • Window Contractor in Thornhill, Ontario

    At Vayel, we specialize in full-scope finishing that brings projects to life. From drywall and flooring to millwork, fixtures, and final detailing, we handle every stage of the finishing process ensuring a seamless, high-quality, move-in-ready result. One team, one standard, total accountability.

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  • Window Contractor in Thornhill, Ontario

    Welcome to Canata Group Construction Canata Group Construction is a family-run general contracting firm serving Mississauga and the GTA . While founded in 2017, we are backed by over 30 years of experience in the industry. We specialize in full house remodeling, custom decks, and fencing. We are committed to providing the best pricing on labour and sourcing high-quality materials more affordably than our competitors. Our team is known for completing projects on time and exactly to our clients' specifications. Our portfolio includes large-scale professional work, such as the full renovation of the University of Toronto Graduate House and ongoing apartment/condo renovations for various property management companies. Whether it is a private home transformation or a professional rental turnover, we deliver quality you can trust.

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  • Window Contractor in Thornhill, Ontario

    I have over 4 years of hands-on experience in handyman work, with a strong focus and expertise in flooring installation and repair. I am experienced with a variety of general home repairs, maintenance, and improvement projects. I have my own complete set of tools and equipment, allowing me to come prepared for different types of jobs. I take pride in providing reliable, efficient, and quality workmanship while keeping the work area clean and professional.

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  • Window Contractor in Thornhill, Ontario

    We are specialized in designing and installing premium **shower enclosures** (frameless, semi-frameless, and framed), sleek **glass railings** for staircases, balconies, and decks, modern **glass doors** (swing, sliding, and partition systems), and all-season **porch enclosures that enhance both function and curb appeal. With a focus on precision, durability, and clean aesthetics, our expert team delivers tailored glasswork for residential and commercial projects—on time and with flawless results. Contact us today for free consultation!!

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  • Window Contractor in Thornhill, Ontario

    Alliance Painting Co provides reliable, high‑quality residential and commercial painting across the GTA. With many years of experience, we’re building something bigger — a company focused on amazing service and creating opportunities for people to learn skills, grow, and enjoy coming to work. We also handle drywall repairs, property maintenance, and quick fix‑ups for realtors who need fast, clean results to get listings ready. We take pride in proper prep, clean lines, and durable finishes you can trust.

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  • Window Contractor in Thornhill, Ontario
    • Best of Awards 2026

    Kingdom Roofing Limited is a team of expert roofers available 24 hours a day to install, repair or do maintenance to your roof. Kingdom Roofing Limited provides the highest quality workmanship, using top quality materials at affordable prices. We are committed to offer honest and professional advice to all our customers. We do not want to sell you a roof that you do not need, that is why our services include preventative maintenance and repairs. We will help you extend your roof service life and avoid costly roof replacements. What do you get from working with Kingdom Roofing Limited? Professional assistance available to answer your inquiries at any time Affordable solutions for your roof improvement or new roof installation Detailed working plan including a dateline for finishing the project Expert roof installers to repair, maintenance or install a new roof on schedule A mess free home or business. We clean the job site and make sure you are satisfied with the end result. Our services include Installation of new roofs Repairs (leak repairs, skylight repairs, chimney repairs) Maintenance (removing litter, cleaning gutters and drains for proper water flow) Storm damage and insurance workmanship Tear off, re-roofs and re-decking Three tab and architectural shingles Wood Shake and Flat Roofs Commercial Services APP Modified Bitumen SBS Modified Bitumen BUR (Built up) Slate and Tile Expansion Joint Covers Edge Metal Systems EPDM-Rubber Roofing TPO & PVC Standing Seam Metal Shingle & Shake 790-11 Hot Rubberized Asphalt Commercial Skylights Roof Vents & Vents

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  • Window Contractor in Thornhill, Ontario

    I'm a full time mechanic and have experience working on all type of equipment and appliances and have a truck I'm able to pick up drop off or remove anything you need

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  • Window Contractor in Thornhill, Ontario

    I am very professional and i always try to exceede my clients expectation for every the project i do for them.

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  • Window Contractor in Thornhill, Ontario

    At Klaxon, we strive for clean, and professional service. We'll make sure you are satisfied with our work.

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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 552 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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