Some of our top rated window contractors in Markham

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  • Oborne Contracting Inc.
    Rating: 4.9 out of 5
    Window Contractor in Markham
    • Best of Awards 2025

    Why Choose us? We specialize in delivering precision-driven renovations with unparalleled craftsmanship, transparent communication, and a steadfast commitment to exceeding expectations. Your home deserves nothing less. With over 30 years of experience serving homeowners across Toronto and the surrounding areas, our company has built a reputation for excellence and reliability. We offer a wide range of services, including architectural design and permit applications, project management, interior design and decorating consultation, home additions, basement remodeling and underpinning, kitchen design and renovation, bathroom renovations, full-home remodeling, deck, fence and landscape construction, as well as all other general contracting services. Recognizing that every home remodeling project presents unique complexities, we bring the experience needed to develop tailored plans that transform your vision into a functional, livable home upgrade, addition, or custom design. Our approach is grounded in understanding your needs, budget, and timeline, while overseeing every step of the construction process. With us, no question goes unanswered. Customer service is at the core of everything we do. Our team of courteous, skilled, and conscientious professionals ensures that every project is completed to the highest standards. We work closely with reliable, long-standing tradespeople who share our dedication to quality and craftsmanship. Your satisfaction is our priority, and we believe this commitment to excellence is the key to our success. From the initial consultation to project completion and beyond, we attend to every detail. Our goal is to make our company your first choice for all your home upgrades, renovations, and new construction needs. After working with us, you’ll see why our clients trust us to bring their visions to life with precision and care.

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    Latest review:
    What a wonderful experience we had with John and his team. Vito, Jeff, and Oaklan were true professionals and made our home whole again. After suffering a flood in early July we contacted the team through homestars and we couldn't have asked for a better, more professional crew. Their attention to detail and willingness to go the extra mile made for a relatively quick and seamless operation. Without John's great advice on how to approach our insurance claim we would have suffered greatly. We will be reconnecting with Oborne Contracting for any further work on our home!! Thanks again for all your hard work!
  • Y2 Design & Build
    Rating: 5 out of 5
    Window Contractor in Markham

    Y2 Design & Build is the best kitchen remodeler and bathroom remodeler in Vaughan, Richmond Hill, Markham, and Aurora! Our team is dedicated to providing an exceptional service to our clients that can't be matched! Y2 Renovations' reputation is built on the happy customers that we service and ensuring that every job is done with precision and care. We are a full service home remodeling company in Markham providing all renovation services from Full Home remodeling, Kitchen Remodeling, Bathroom Remodeling, Basement Remodeling, Flooring and Painting. We ensure that our jobs are done efficiently, precisely, and within budget!

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    Latest review:
    Bathtub or kitchen resurface or reface-
    John, Andy and their team did an amazing job with our kitchen and bathroom. They were prompt with communicating , and were very professional. They worked within our budget and scheduling. I would not hesitate to hire them again. Thank you!!
  • The Window & Door Specialist
    Rating: 4.7 out of 5
    Window Contractor in Markham
    • Best of Awards 2020

    ♦ The Window & Door Specialist has over 35 years of home improvement experience. ♦ A+ rating on Better Business Bureau since 2002 ♦ We offer ENERGY STAR® windows, entry doors, patio/garden doors, storm doors and porch enclosures, shutters, blinds, bay windows, casement windows, slider windows, hung windows, bow windows, security windows, comfort windows. ♦ 3800 square feet showroom space with a virtual tour on our website. ♦ Your needs will be accommodated by our trained sales staff and installers. ♦ Helping you make an educated decision by providing honest and unbiased information. ♦ Installations range from simple to the most extensive and elaborate. ♦ All our customers receive standard and lifetime warranties from the manufacturers. ♦ We work closely with manufacturers to ensure your project is completed in a timely manner. ♦ Long term repeat customers have been satisfied with our quality product choices and professional in-house installers. ♦ We offer a Price Match Guarantee.

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    Latest review:
    Great service and quality at reasonable cost. I would certainly recommend this company to my friends.
  • Eco Choice Windows & Doors
    Rating: 4.8 out of 5
    Window Contractor in Markham
    • Best of the Best 2025
    • Best of Awards 2025

    Eco Choice Windows & Doors is an award winning replacement windows and doors company, providing homeowners in Toronto and GTA with quality Replacement Vinyl Windows, Fiberglass Doors, Steel Entry Doors, French Doors, Sliding Patio Doors and European Tilt and Turn Windows and Doors.

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    Latest review:
    Install or replace window frames-
    The job had a few delays both on my side and on echo's due to timing and weather. The quality of the work was excellent. The customer service from the actual window manufacturer left a lot to be desired, but that was no fault of Eco. Overall I am satisfied with the product, the Eco work crew and the final outcome.
  • Korona Flooring
    Rating: 5 out of 5
    Window Contractor in Markham
    • Best of Newly Listed 2024

    Korona Flooring and Renovations is a trusted home improvement company with a rich history of excellence. With our unwavering commitment to quality and customer satisfaction, we have been transforming spaces into extraordinary places for over 30 years. Our wide range of products and services include: Flooring Installations: From hardwood and laminate to vinyl and tile, we offer expert installations that enhance the beauty and functionality of your space. Renovations: Whether it's a kitchen, bathroom, or entire home renovation, our skilled team brings your vision to life with meticulous attention to detail. Why choose Korona Flooring and Renovations? Experience and Expertise: With over 30 years in the industry, our skilled professionals have the knowledge and expertise to deliver exceptional results. Quality Craftsmanship: We take pride in our workmanship, ensuring that every project is completed to the highest standards. Customer Satisfaction: Your satisfaction is our priority. We strive to exceed your expectations through attentive service and personalized solutions. WSIB Insured: We are fully insured under the Workplace Safety and Insurance Board (WSIB), providing you with peace of mind. Discover the transformative power of Korona Flooring and Renovations. Contact us today for a consultation and let us bring your vision to life. Elevate your space with Korona Flooring and Renovations – your trusted partner for exceptional home improvements.

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    Latest review:
    Repair floor-
    Very efficient and high quality work and I value their feedback during the process of repairing our basement vinyl tiles. Job well done!
  • Stone Crew Landscaping Inc.
    Rating: 5 out of 5
    Window Contractor in Markham
    • Best of Awards 2024

    Stonecrew Landscaping is servicing around the GTA We are offering services such as : Interlocking, Retaining wall, Fencing, Decking, Pergola, Gazebo, Pressure wash, Lawn care, Spring and fall clean up, Trimming

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    Latest review:
    Stone Crew Landscaping transformed my outdoor space beautifully! Parsa and his team were professional, detail-oriented, and delivered exceptional quality. Highly recommend their services!
  • Home Relief Appliance Service Inc.
    Rating: 4.6 out of 5
    Window Contractor in Markham

    Our mission is to help families feel secure and protected when trusted household appliances break down. We provide high quality appliance repairs to the residents in the GTA and beyond through efficient, competent, and reliable appliance repairs, covering a wide range of brands and appliances found in all types of homes. Our technicians are here to provide relief to you and your family, so you can focus on the things that matter. How we work Call in! Have an issue with an appliance? We’re here to help you figure out what went wrong. Call us at and a technician will help you troubleshoot the issue you’re having. Get a quote! Once the issue is made known to us, we’ll set you up with an affordable quote. We provide full transparency on price – no filler costs and unexplained premiums. Service Area East to west: Oakville to Oshawa North to south: Georgina to downtown Toronto Schedule a time! Schedule a time that works for you. Our technicians have flexible hours and we make sure your needs are a priority. Our technician will arrive at the scheduled time and fix the issue for you

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    Latest review:
    Repair household appliance-
    After a bad experience with another company (not found through HomeStars...), I was quite relieved that technician Jerry came to fix my fridge. He was on time, knowledgeable, communicated effectively and got the job done for a fair price. I highly recommend.
  • Grime Squad
    Rating: 4.9 out of 5
    Window Contractor in Markham

    Grimes squad is one of Ontario‘s finest home exterior cleaning company’s Experienced in window cleaning, gutters and downspouts cleaning, driveway and walkway, patio surface cleaning, and power washing. We also do interlock resending. We’re here to help with all your exterior house needs!

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    Latest review:
    Clean awning, shutters or hatches-
    Fast and efficient service, with everything handled neatly and professionally. The customer service was friendly and helpful, making the entire experience smooth and pleasant. Very reasonably priced as well. Highly recommended!
  • Fresh start contracting
    Rating: 5 out of 5
    Window Contractor in Markham

    17 years of experience in drywall, painting, carpentry and all general contracting trades. If you’re not happy with the quality your job will be for free With our 2 million dollar insurance and 2 years warranty you just sit back and watch how we can smoothly perform the job efficiently without worrying about anything.

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    Latest review:
    Assemble or disassemble furniture-
    Brian ensured that he understood the assignment perfectly, was on time and assembled my furniture fast and efficiently.
  • Horizon Windows and Doors Inc.
    Rating: 5 out of 5
    Window Contractor in Markham

    At Horizon Windows and Doors Inc., wе ѕuрроrt thе lосаl соmmunitу bу providing the best роѕѕiblе value for thе home imрrоvеmеnt dоllаr. Our tеаm iѕ highlу ԛuаlifiеd аnd еxреriеnсеd, аnd we fосuѕ оn the сuѕtоmеr еxреriеnсе with induѕtrу lеаding ѕtаndаrdѕ of ѕеrviсе аnd саrе. Thе nаmе Horizon Windows and Doors Inc been synonymous with gооd соmmuniсаtiоn, ѕесuritу, ԛuаlitу, rеѕресt, аnd jоbѕ wеll dоnе.

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    Latest review:
    Horizon did a wonderful job. They were professional and careful with their work. They cleaned up everything and took away the old windows. Great hard working crew. The windows are good looking and easy to open and clean.
  • Sunny Garden
    Rating: 5 out of 5
    Window Contractor in Markham
    • Best of Awards 2024

    SunnyGarden, company creating landscapes, breath taking driveways and walkways, decks and fence since 2014. We bring innovative state-of-the-art landscape technology and natural outdoor beauty together like no other landscaping company. Incorporating all the latest in outdoor products and materials along with our experience and impeccable workmanship and know-how, we make your dream home everything it can be. SunnyGarden provides a package of services in your area: Interlock, Flagstone, Concrete, Retaining Walls, Steps, Paver Lights, Decks, Fence, Brick Features (barbecue, fire place, decorative walls, etc.), Gardening

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    Latest review:
    We hired Sunny Garden to take down a portion of our old fence and to build a new privacy fence. Tim was easy to work with, arrived the day he said he would, and finished the new fence quickly and affordably, with top quality craftsmanship. We would hire Tim again and highly recommend him.
  • Andy's Skylights
    Rating: 5 out of 5
    Window Contractor in Markham

    Professional skylight installations, repairs, and replacements in Toronto and GTA is what Andy Skylight does. Do you live in the Greater Toronto Area and are considering installing a skylight? Repairing or replacing an old one? If so,you have come to the right place! Andy' Skylights have been in the professional skylight business for 20 years, 7 of which were spent in Toronto learning more about skylights and gaining experience. Only Andy Skylights know how to repair, install, or replace skylights and everything related to them like the back of our hand. So when it comes to skylights, you can rely on us without a doubt! Call Andy' Skylights for an excellent, neat, professional skylight installation or repair.

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    Latest review:
    Install or replace skylight or light dome-
    Andrei installed two new skylights. The end result was incredible. He is a complete professional and worked diligently while minimising the mess/dust. I would recommend Andrei to anyone.
  • Zae Homes
    Rating: 5 out of 5
    Window Contractor in Markham

    About Us ZAE’s continued dedication to high standard of workmanship and materials ensures that every home we build or renovate exceeds customer’s expectations. With over twelve years of experience, we support our clients through the decision process focusing on the home’s floor plan, exterior elements, infrastructure, building shell and interior details. We are consistently evolving with up-to-date building and renovation concepts and styles so your home is functional and beautiful. Your confidence and satisfaction with ZAE is important to us. We are not satisfied unless you are!

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    Latest review:
    The project started with building a deck which turned out spectacular. Because of the excellent work by Damion and the the project was expanded to include decking around the pool as well as a cantilever pergola. All work was done satisfactorily on budget and on time.
  • Dr.Locksmith
    Rating: 5 out of 5
    Window Contractor in Markham

    Locksmith and Security services 24/7 Emergency Fast & Affordable great service Lockout services Lock change/repair/New High security locks Auto/Car key lost/broken Access Control Exit Devices

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    Latest review:
    Moni is an excellent, knowledgable and personable locksmith. Such a pleasure to observe a competent tradesman at work. Highly recommended. Sean Gibson
  • Ellery Kitchen and Bath
    Rating: 5 out of 5
    Window Contractor in Markham

    Experience You Can Trust With over 20 years of experience in the building industry, @ellerykitchens has the expertise to handle any project. Whether it's a small renovation or a new construction project, we have the skills and knowledge to get the job done right. Quality Workmanship At @ellerykitchens we pride ourselves on providing high-quality workmanship on every project we undertake. We use only the best materials and employ skilled tradespeople to ensure that your project meets or exceeds your expectations. Personalized Service We understand that every client is unique, and we work closely with each of our clients to ensure that their specific needs and preferences are met. From the initial consultation to the final walkthrough, we are committed to providing personalized service and attention to detail.

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    Latest review:
    General contractor service-
    Job well done! They completed a very tedious Costco play structure with multiple pieces. Very knowledgeable, friendly and respectful. When pieces were missing they were fast acting and knew what to do. They had all tools to complete the project. Project was completed in a timely fashion and properly. Signed a very thankful mom to keep her daughters safe and happy
  • Remodel & Renovate Depot: Residential and Commercial Specialists
    Rating: 5 out of 5
    Window Contractor in Markham
    • Best of Newly Listed 2025

    Remodel & Renovate Depot: GTA Residential and Commercial Specialists – Leading the Greater Toronto Area in premium home renovations and office remodels. Our team, boasting decades of industry experience, specializes in delivering bespoke, high-quality renovation solutions. From modernizing residential spaces to transforming corporate offices, we ensure unparalleled craftsmanship and reliability. Dive into a seamless renovation experience with our expertly tailored services designed to meet every unique need. Proudly serving Toronto and beyond, we're your trusted partner in elevating spaces with functionality and style. Discover the difference expertise makes – Let's bring your vision to life!

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    Latest review:
    Install laminate floor-
    He was very respectful of the premises and the timing of the work as well as being very accommodating with a couple of minor extras I asked of him. He came with a team get this done in the agreed timeline. I am very grateful to Arash and his team, for the excellent work done.

4.9

Top rated Window Contractors

Our Window Contractors in Markham, are rated 4.9 out of 5 based on 260 reviews from homeowners like you.

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