Some of our top rated window contractors in Alton
Sort by:
- Get in touch
Best of Awards 2026
Insured Residential Contractor - Emergency Repairs - Masonry Residential & Commercial Construction - Windows & Washrooms Caulking - Decking - Roofing - Fencing - Basement - Kitchen Bathroom - Flooring - Tiling For the above jobs, estimates and contracts can be provided for anywhere in the GTA area. I look forward to hearing from you!
- Get in touch
We are Epoxy, Polyaspartic and Urethane certified and trusted installers committed to building long-term relationships based on integrity, performance, value and customer satisfaction, while remaining true to our core values of quality, honesty and hard work
- Get in touch
Hello, my name is Josh. Born, raised and currently located in Guelph. At the momentI am a general contractor for Newtown Construction and am looking to do some side work to further my skills and give an honest helpful hand at the most reasonable rate with a focus on making the customer delighted while striving for perfection. Preferred work focus would be in flooring/tile, trim, kitchen installation, framing and even excavation work which i have years of experience with as well. Help me help you and I can guarantee you will not regret it.
- Get in touch
Smart Doors is the smart choice for all your garage door sales, service, and installation needs. With hundreds of satisfied clients and over 10 years of experience in the Greater Toronto Area, Smart Doors offers quality service and installations of garage doors. We offer a product range of a wide choice of styles, designs, and colors. Our manufacturer C.H.I. even offers their own parts guarantees which cover their products for a lifetime. The Smart Doors guarantee is among the best in the industry and we stand behind our manufacturer with our own two-year, hassle-free labour guarantee. At Smart Doors, we stand behind our product quality and reliable service providing our customers with a pleasant and unforgettable experience. Call us today for a quote or to set up a free in home estimate at 905-532-9770. You also welcome to come in and visit our showroom at 40 Viceroy Rd. Unit. 8, Concord (Dufferin/Steeles)
- Get in touch
- Best of Awards 2026
Strongman Construction Inc. is a trusted general contracting company with over 7 years of experience delivering high-quality residential construction and renovation services. From full-home remodels to smaller renovation projects, we are committed to providing dependable service, skilled craftsmanship, and results that homeowners can rely on. Our experienced team of professionals specializes in multiple trades including carpentry, electrical, plumbing, demolition, disposal, bathroom renovations, and backyard transformations, allowing us to manage projects efficiently from start to finish. Every project is completed with close attention to detail, professionalism, and a strong focus on customer satisfaction. At Strongman Construction Inc., we take pride in delivering clean, organized, and timely work while maintaining clear communication throughout the entire process. We are fully Licensed, WSIB Insured, and Liability Insured for your peace of mind. To stand behind the quality of our workmanship, we also offer a 1-Year Workmanship Guarantee on our projects, ensuring our clients feel confident choosing us for their home improvement needs.
- Get in touch
1:At Green windows and doors,with over 10 years of experience, we are your trusted local partners for premium vinyl and aluminum window and door solutions. We believe that new windows are a powerful investment in your home, boosting curb appeal, improving energy efficiency, and flooding your space with natural light. Our dedicated team of experts is committed to providing seamless, professional installation and unparalleled customer service from start to finish. Explore our wide selection of high-quality products and discover how we can help you see your home in a new light. 2: Service-Focused Headline: Professional Window and Door Repairs for a Safer, More Efficient Home Body: Are your windows drafty, foggy, or difficult to open? Is your door sticking, sagging, or not locking properly? Don't let minor issues turn into major problems. We specialize in a wide range of window and door repairs, including: Glass Replacement: Cracked, shattered, or inefficient sealed units. Hardware & Lock Repair: Faulty handles, hinges, cranks, and locking mechanisms. Draft & Leak Sealing: Weatherstripping, caulking, and seal replacement. Frame & Sill Repair: Addressing rot, warping, and other damage. Screen Repair & Replacement: For windows and patio doors. We are committed to providing high-quality workmanship and exceptional customer service. Contact us to schedule your repair and improve the look and function of your home. Ready to get your windows and doors working like new again? Contact us today for a no-obligation consultation and estimate! Schedule your free, no-obligation consultation today!
- Get in touch
hi glad to meet you. i’m ronald elezi, a tile installer and general contractor. i do bathroom and kitchen renovation, i’m running some offers for the full tub to stand up shower (5x3) renovation , from the demolition, supply and installation of the new shower control, supply and install of the waterproofing with XPS material, supply and installation of the tile on walls, shower floor, and exterior floor, supply and installation of the prefabricated quartz niche with shelf , supply and installation of new toilet, supply and install of 24” or 30” vanity, supply and install of new faucet, painting and more. offers starts at 8950$ for a tub to stand up shower conversion with 5x8 floor area for more info contact me on the number that you see on the business card
- Get in touch
At Griffin Decks, we build more than just decks — we create outdoor spaces that elevate your home and lifestyle. With years of hands-on experience in structural framing and custom carpentry, we specialize in building high-quality, Canadian-crafted decks, fences, privacy screens, staircases, and more. Whether it’s a second-storey deck requiring structural precision or a stylish composite platform around your hot tub, we bring the same level of care, craftsmanship, and attention to detail to every job. ✅ 5-Year Structural Warranty ✅ No Deposit Required on Most Projects — you only pay when the job is complete ✅ Fully insured and code-compliant What sets us apart is our commitment to transparency, quality, and customer satisfaction. We take the time to understand your vision, offer expert advice, and deliver results that exceed expectations — on time and on budget. Let’s build your dream deck — the right way, with no surprises.
- Get in touch
Rail Tech Construction Group specializes in the fabrication and installation of premium glass railings, offering both framed and frameless styles, as well as high-quality aluminum railings, fences, and gates. We serve the Greater Toronto Area and much of Central and Southwestern Ontario.
- Get in touch
Welcome to DOD Construction — your trusted team for quality, detail-oriented finishing work in the Greater Toronto Area. We specialize in: • Interior and exterior painting • Window installation • Caulking & sealing (interior/exterior) With years of hands-on experience and a passion for precision, we take pride in delivering clean, efficient, and long-lasting results. Whether you’re renovating a home, upgrading your windows, or simply refreshing a space — we’re here to get the job done right. We work with homeowners, contractors, and property managers — and we always focus on clear communication, punctuality, and fair pricing. 📍 Based in Toronto, proudly serving surrounding areas. Let’s build something great together — contact DOD Construction today for a free estimate!
- Get in touch
With over 10+ years of experience. Modern Reno's is a small owned company growing with each customer we come across. Leaving no customer un satisfied we strive to make every customer fulfilled. From small jobs to large project, we work with our customers to go above and beyond to fulfilling their requests.
- Get in touch
Hello to all. I consider my self to be A professional at what I do. I work at A pace that gets the job done up on the agreed time, and I do not over charge. I am reliable and treat every job as if it's my own home am working on. Demo and complete renovation is what I love doing, so I do my job with love, care and the utmost respect to the job and my customers.
- Get in touch
Best of the Best 2025- Best of Awards 2026
Manufacture, distribution and installation of fine quality UPVC (vinyl) windows & steel/ fibreglass doors in the GTA.
- Get in touch
I have 5 years experience in construction Home renovation Metal framing Drywall Mudding Painting Flooring
- Get in touch
Rockridge Valley Marble And Granite Inc. With over 10 years of experience, believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. We can help you with your wall or floor tiling, install countertops, repair wall or floor tiles & repair countertops request in Mississauga and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Rockridge Valley Marble And Granite Inc. now to discuss your needs and arrange a quote. We look forward to working with you!
