Describe your job with details to view a tailored list of pros.
Post your job

Some of our top rated window contractors in Thornhill, Ontario

3135 Results

Sort by:

  • Window Contractor in Thornhill, Ontario

    BUILDING IMPROVEMENT SOLUTIONS Soundproofing – Framing – Decks Renovation – Restoration – SprayPainting 📍TorontoGTA 📍Montreal

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Hello my name is Diego, I've been general contracting for some years now and have started a new company to get new leads. I do handyman work and full renovations, I know people in all fields of work and will do quality work. I have no problem talking with people about pricing as everyone has a different set of circumstances and finances.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    A trustworthy Filipino Handyman at your Service

    Get in touch
  • Window Contractor in Thornhill, Ontario

    3M Flooring is a North York based HVAC contractor, Flooring Contractor, Carpenter, Tiler, Stairmaker, Renewable Energy Specialist, Cabinet maker, Interior decorator, Interior designer, Upholsterer, Electrician, Plumber, Refrigeration specialist, General contractor, Mason & Metal worker 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, install laminate floor, install vinyl, linoleum or pvc floor, install or replace carpet, install or replace floor heating, install or renovate stairs & repair or maintain stairs, message us so we can assist you and arrange a quote.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Here at JDL Renovations , we hold a strong communication, client service, and problem-solving skills. With over 10 years of experience working directly with clients in renovation, maintenance, landscaping We take pride in delivering high-quality work and service, resolving concerns efficiently, and contributing to a productive and respectful workplace. Built long-term client trust through consistent quality and professional conduct. JDL Renovations Steel stud framing/wood framing Drywall install Drywall mudding and taping Painting Plumbing and electrical Tiling and flooring Full kitchen install Exterior house painting Vinyl siding ROOFING/shingle Concrete forming Flooring, hardwood , laminate, tiles etc All landscape And Hardscape needs

    Get in touch
  • Window Contractor in Thornhill, Ontario

    We are a trusted fully insured general contractor and renovations company from Newmarket, Ontario providing quality home renovations to York Region, Simcoe County and surrounding areas. Professional and reliable, with over 15 years of construction and project management experience. A Plus Contracting Corp. is passionate about providing quality home improvements and helping homeowners renovation dreams come true.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Interlock,Concrete,Landscape Renovations and New build We don’t just pave; we engineer landmarks. From high-traffic estate driveways to intricate natural stone retreats, our interlock work is defined by structural perfection and a refined aesthetic that commands attention.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Built Wright Construction Inc. Built Wright Construction Inc. is a professional construction and renovation company specializing in custom homes, major home renovations, kitchen and bathroom renovations, basement finishing, custom cabinetry, flooring, and commercial renovations. With 10+ years of industry experience, our skilled team is committed to delivering quality workmanship, attention to detail, and reliable service from start to finish. We work closely with homeowners to understand their vision, provide practical solutions, and complete projects to a high standard. Whether you’re planning a complete home transformation, a custom kitchen, a bathroom remodel, or a basement renovation, we provide a professional and organized approach to every project. Our services include: * Custom Homes * Major Home Renovations * Kitchen Renovations & Custom Cabinets * Bathroom Renovations * Basement Renovations & Finishing * Flooring & Interior Finishing * Commercial Renovations * Custom Cabinetry At Built Wright Construction Inc., we build with quality, integrity, and pride in every project. Contact us today for a consultation and let’s bring your renovation ideas to life.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    1000158692 Ontario Inc. can help you with your fireproof insulation, install or replace alarm system, install or repair surveillance cameras, install garden or outdoor lighting, install or replace window bars and railing, watchman security service, install or replace gate for driveway and security & protection lighting request in Scarborough and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with 1000158692 Ontario Inc. now to discuss your needs and arrange a quote.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Transforming Your House into a Dream Home At Nora Arta, we blend artistry with expertise to breathe new life into your space, creating an environment that is not only beautiful but also perfectly tailored to your lifestyle. Experience & Specialized Services With over 10 years of experience, our dedicated team has successfully completed hundreds of projects, from minor upgrades to full-scale home transformations. We have a proven track record of delivering quality craftsmanship. We specialize in: Full-scale Home Renovations Modern Kitchen & Bathroom Remodeling Professional Basement Finishing Design & Material Consultation Why Choose Nora Arta? We understand that a home renovation is a big investment. We approach every project with meticulous attention, ensuring a stress-free and enjoyable experience for you. For builders and contractors, we serve as a reliable partner, dedicated to delivering high-quality craftsmanship on schedule and within budget. Service Area Our service area covers the entire Greater Toronto Area (GTA), including: Richmond Hill, Markham, Vaughan, Mississauga, Brampton, and Oakville. For a free consultation and to see our portfolio of past projects, contact us today. We look forward to partner

    Get in touch
  • Window Contractor in Thornhill, Ontario
    • Best of Awards 2026
    • Best of Newly Listed 2025

    Welcome to Sehrii Builds Family Company! We are a family-owned construction business with over 20 years of experience, originally from Ukraine and proudly serving Toronto and the GTA. Our team delivers high-quality workmanship, expert advice, and attention to every detail, ensuring your project is done safely, efficiently, and beautifully. At Sehrii Builds, we understand that your home is an investment. That’s why we treat every project with care, striving to create results you’ll enjoy and be proud of for years to come. Our Services Include: Exterior: • Fences & Gates • Decks & Stairs • Gazebos • Landscape Design • Interlocking Stone Work & Stone Slabs • Porch Restoration & Repair • Retaining Walls • Windows & Doors Installation • Siding Interior: • Kitchen Renovations • Bathroom Renovations • Basement Renovations • Flooring • Painting & Drywall • Handyman Services ✅ Choose Sehrii Builds Family Company for trusted, professional construction services that transform your home and add lasting value. 📞 Contact us today to discuss your project!

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Customer satisfaction guranted.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    I need Jod

    Get in touch
  • Window Contractor in Thornhill, Ontario

    With 8 years of dedicated experience serving the Greater Toronto Area, I founded RENOXP on the principles of integrity and precision. I specialize in delivering meticulous craftsmanship that doesn't just fix a problem, but enhances your home. From technical upgrades to custom repairs, I treat every project as if it were for my own family. At RENOXP, your home is in expert, hardworking, and capable hands. Let’s bring your vision to life.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    Walker’s Design Build is a Toronto-based renovation company specializing in high-end custom projects. We focus on kitchens, bathrooms, and full-home transformations with a commitment to quality craftsmanship, attention to detail, and professional project management. Our mission is to deliver luxury results while making the renovation process seamless and stress-free for homeowners.

    Get in touch
  • Window Contractor in Thornhill, Ontario

    We mainly build custom homes also manage all sorts of major renovations.

    Get in touch

4.9

Top rated Window Contractors

Our Window Contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 550 reviews from homeowners like you.

Quality screening

Easily find verified local pros. Just post your job to get quotes from pros near you across Canada.

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.

Other pros in Thornhill, Ontario

Cities