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  • PN construction brings over 20 years of experience in construction, renovations, and home remodelling we specialize in custom home builds ,complete home renovations, kitchens, bathrooms, basement foundations, Concrete work, additions, exterior renovations, and outdoor spaces. From smaller renovations to building from the ground up, we take pride in the quality workmanship attention to detail and creating results that are built to last. Proudly serving Toronto, GTA, Vaughn, Mississauga and many projects have been done up north in cottage country. Contact PN construction today to discuss your project and request an estimate.

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  • Window Contractor in Markham

    Arnia Construction Services is a trusted contractor in the GTA specializing in glass, aluminum doors, windows, curtain wall systems, and ACM panels. We offer professional installation, repair, maintenance, and fabrication services for residential, commercial, and industrial projects. Our expertise includes glass replacement, window and door repairs, pivot and swing door fabrication & installation, aluminum frame fabrication, and curtain wall design and installation. With a proven track record of delivering projects on time and to the highest quality standards, we take pride in our craftsmanship and reliable service. Contact us today for dependable solutions and exceptional results.

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  • Window Contractor in Markham

    Heravi Development is a trusted builder specializing in luxury custom homes, premium renovations, and high-end residential construction across Ontario. Backed by over 20 years of industry experience and 30+ successfully completed luxury home projects, we deliver exceptional craftsmanship, precision, and attention to every detail. Our team manages each project with professionalism, transparency, and a commitment to quality from concept to completion. We take pride in creating timeless, functional, and beautifully built spaces while maintaining clear communication, reliable scheduling, and outstanding client experience. At Heravi Development, we don’t just build homes — we create exceptional living environments designed to last.

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  • Window Contractor in Markham

    At Diafa Carpentry, we make home projects simple. Our experienced team offers carpentry, drywall installation and repair, general handyman services, and moving assistance to help you complete your projects smoothly and efficiently. Whether you need custom woodwork, home repairs, or help moving, we deliver reliable service and quality workmanship every time.

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  • Window Contractor in Markham

    we believe quality work starts with attention to detail and doing things right the first time. We provide complete home renovation and improvement services, including flooring installation, baseboards and trim, framing, drywall, kitchen installations, and much more. Whether you’re updating a single room or taking on a larger renovation, we can handle the project from start to finish. We take pride in clean workmanship, reliable service, honest communication, and treating every home as if it were our own. No project is too big or too small. Our goal is simple: quality craftsmanship, a smooth renovation experience, and results you’ll be proud of for years to come. Contact me today to discuss your next project.

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  • Window Contractor in Markham

    We're a small but highly effective team with over 10 years of hands-on experience in carpentry. Our craftsmanship is top-notch fast, precise, and detail-oriented. We take pride in delivering high-quality work at competitive prices.

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  • Greenzeal Property Restoration is Ontario’s leading property restoration and disaster specialists. We specialize in water and mould damage cleanup and repair, flood damage restoration, leaking ceilings and basements, mould remediation and testing, fire and trauma damage restoration, odour and asbestos abatement, including carpet and duct cleaning.

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  • Window Contractor in Markham

    I’m the founder of Imperial Build Works, a construction company dedicated to delivering high-quality and efficient building solutions. We specialize in creating durable, well-crafted projects with a focus on attention to detail and customer satisfaction. At Imperial Build Works, we pride ourselves on our commitment to excellence, ensuring every project meets the highest standards.

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  • At Renovations By Matt we are committed to excellent service and quality workmanship. Whether your looking for a TO-DO LIST you cant seem to finish, Plumbing issues and installations by our licensed staff or a Full Reno Project, We are here to Help Our team will walk you through every step of the way and ensure everything is completed to your standard. Call or email us today for your free estimate.

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  • - Emergency Plumbing - Fluent English Speaking Licensed Plumbing and Certified Gas Lines - Will Provide Business and insurance Toilets - Broken Water Pipes - Mains - New Plumbing- Vanity Installation - Water Proofing Washroom Renovations • Painting • Drywall • Plumbing - (Residential & Commercial) - Interior & Exterior Renovations - Drywall Repairs & Installation

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  • Window Contractor in Markham

    Welcome to Prestige Interiors, where craftsmanship meets elegance. As a premier contracting company, we specialize in transforming spaces into stunning works of art that reflect your unique style and vision. Our dedicated team of experienced professionals is committed to delivering exceptional quality and attention to detail in every project, whether it's a residential renovation or a commercial build-out. At Prestige Interiors, we believe that your space should not only be functional but also a true reflection of your personality. Let us bring your dream interiors to life with our innovative designs and unparalleled service. Discover the prestige in every detail with us!

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  • GENCAN Roofing and Waterproofing Ltd. is a Pontypool-based commercial and industrial flat roofing specialist serving Durham Region, the GTA, and businesses across Ontario since 1975. We install, repair, restore, and replace TPO, EPDM, PVC, modified bitumen, and BUR flat roofing systems — over 500 completed roofs for businesses, industrial facilities, property managers, and municipalities. GAF and Carlisle certified, WSIB compliant, and fully insured, with our own in-house crews on every job — never subcontractors. Every project is documented with drone photography from first assessment to final sign-off, and our emergency line is answered 24/7 for commercial and industrial roof emergencies. We also repair and install residential flat roofs. Free, no-obligation roof assessments

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  • Window Contractor in Markham

    With years of experience in industrial flooring, we provide professional epoxy flooring, polyaspartic coatings, concrete polishing, and decorative concrete solutions for residential, commercial, and industrial spaces. Our team is committed to quality workmanship, proper surface preparation, premium materials, and durable results. We take pride in delivering reliable, long-lasting flooring systems tailored to the needs of every project.

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  • Window Contractor in Markham

    We’re a minority owned family electrical company trying to make change in the industry. Serving the entire GTA, we're your one-stop electrical contractor—specializing in panel upgrades, EV chargers, fire alarms, and large-scale installations for homeowners, businesses, and beyond. Homeowners trust our family-run team to bring comfort, efficiency, and safety under one roof-modernizing your wiring, lighting, and power systems so you can enjoy a smart, secure home, our family-run, fully licensed electricians deliver everything code-compliant, on time, and on budget, so you gain lasting peace of mind and lower energy bills.

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  • Window Contractor in Markham

    We are an experienced construction team with a proven track record in a wide range of projects, including commercial, industrial, and residential work. Our crew has handled everything from insulation and drywall to full-scale renovations and mechanical system installations. With years of hands-on experience, we bring reliability, technical skill, and efficiency to every job site. Our company is based in Toronto and we operate throughout the GTA, with the flexibility to travel across Ontario and beyond depending on project needs. We are fully equipped and mobile, ready to take on both short - and long-term assignments. Our team specializes in high-quality insulation work (including fire wrap, piping, rooftop systems, etc.), as well as general construction services. We pride ourselves on working quickly, safely, and within strict deadlines - without compromising on quality. All crew members are trained, dependable, and capable of working independently or alongside other trades. Clients choose us because we are organized, results-driven, and easy to work with. We value professionalism, clean execution, and doing the job right the first time. If you're looking for a team that gets it done - we’re ready.

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  • Window Contractor in Markham

    We specialize in professional deck staining, sealing, sanding, and restoration. Our goal is to protect and extend the life of your deck while bringing back its natural beauty. Using high-quality stains and proven preparation methods, we ensure long-lasting results that withstand harsh Canadian weather. Whether your deck needs a fresh coat of stain, deep cleaning, or full restoration, we focus on proper prep, attention to detail, and clean workmanship. Customer satisfaction, reliability, and quality results are our top priorities. Contact us today for a free quote and bring your deck back to life.

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4.9

Top rated Window Contractors

Our Window Contractors in Markham, are rated 4.9 out of 5 based on 527 reviews from homeowners like you.

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What types of services are offered by window installers in Markham?

Window installers in Markham 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 Markham 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 Markham 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 Markham?

Before you start working with a window contractor in Markham 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 Markham 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 Markham, 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 Markham on HomeStars

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

How to hire Markham 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 Markham understand the job.

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

  3. Connect with multiple window contractors in Markham 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 Markham easily. All window installers in Markham who join our platform are verified through ID and company checks, so you can hire with confidence.

What to ask a window contractor in Markham before hiring?

If you’re wondering how to choose a window contractor in Markham, 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 Markham 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 Markham 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, Markham 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 Markham whether they handle the permit application and approval process or if that responsibility falls to you.

FAQ: Common questions about window contractors in Markham

Do Markham window contractors offer warranties or guarantees?

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

Do Markham window contractors provide custom solutions for unique window sizes or shapes?

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

Can Markham window contractors handle both residential and commercial projects?

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

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

Some window contractors in Markham 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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