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General contractors in Alton

Looking for a general contractor in Alton? Post your project on HomeStars and get matched with Alton building contractors in your area. Browse profiles, read genuine customer reviews, and discuss your project details with interested pros. All before you make your final choice.

Some of our top rated general contractors in Alton

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  • General contractor in Alton

    Valmont Outdoor Services is your trusted partner for transforming outdoor spaces across the Greater Toronto Area. We specialize in paving, deck and fence installation and repair, interlocking, and landscaping maintenance — delivering quality craftsmanship and reliable service on every project. Whether you’re enhancing your curb appeal or building the backyard of your dreams, Valmont has you covered.

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  • General contractor in Alton

    Lynx Insulation was founded with a simple goal: to provide homeowners with quality insulation work, honest pricing, and attention to detail that goes beyond simply adding insulation. Our founder brings over 7 years of hands-on experience, having worked with two major insulation companies before starting Lynx. With a background in mechanical engineering, quality assurance, and inspection, we understand the importance of doing things properly, not just getting them done. Having seen firsthand how easily corners can be cut in this industry, we wanted to take a different approach. We believe in fair, transparent pricing and doing the job right the first time. We may not always be the cheapest, but we'll never sacrifice quality to offer a lower price. We specialize in attic insulation, removal and replacement, blown-in cellulose and fiberglass, batt insulation, air sealing, ventilation baffles, and insulation for walls, basements, and garages. Serving the GTA and surrounding areas, we take pride in treating every home with care, paying attention to the details others might overlook, and standing behind our work. Lynx Insulation — Comfort. Efficiency. Built Right.

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  • General contractor in Alton

    H.J.G Construction is a Oakville, Ontario based Carpenter, Cabinet maker, Kitchen Renovation Company, Handyman & General contractor company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with assemble or disassemble furniture, assemble or disassemble kitchen cabinets, build furniture & repair kitchen cabinets, message us so we can assist you and arrange a quote.

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  • General contractor in Alton

    YNG Construction Inc. is a construction company based in Milton, Ontario. Our Founder bring a hands-on superintendent background to every project a perspective most contractors don't have. Years running active job sites and supervising trades means we understand construction from the ground up: scheduling, quality control, code compliance, and the details that separate a professional finish from a costly headache. Based in Milton, we serve homeowners across Halton Region and the GTA—including Oakville, Burlington, Mississauga, and surrounding communities—and we travel for the right project. Our expertise includes full home renovations, kitchen and bathroom remodels, basement finishing, interior and exterior work, and general residential construction. We bring strong knowledge of Ontario building standards, project planning, and trade coordination every job built to code and built to last. Why hire us? We treat your home like a job site that has to be run properly. Our philosophy: clear communication, honest pricing, professional workmanship, and accountability start to finish. Hire YNG and you get a superintendent's eye for detail and a commitment to doing the job right.

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  • General contractor in Alton

    Vienna Build and Design brings your renovation ideas to life with precision and care. We specialize in carpentry, tiling, drywall, flooring, and demolition, tackling projects big and small. Our team combines skill, reliability, and attention to detail to transform your space exactly how you envision. From concept to completion, we’re committed to quality workmanship and client satisfaction — because your dream home deserves nothing less.

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  • General contractor in Alton

    Renovation custom shower glass railing office partitions bathroom renovation home renovation commercial work

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  • General contractor in Alton

    We mainly do the framing, drywall, mudding, ACT ceilings and, HM door frames on large scale commercial projects. We also do residential drywall, taping, painting finish basements and, build and repair decks and fences. We have joined HomeStars to expand our residential side of the company. Honest people, who do honest work.

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  • General contractor in Alton

    I am working in a construction business more than 10 years . I do framing, drywall installation, taping ect. Wall paper installation and removal,painting, spray painting popcorn ceiling repair or removal ect.

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  • General contractor in Alton

    Carpentry was in my DNA from generations, working closely with my father. I joined his business at a young age. I’ve done Emery components other build so I have a thorough understanding of what needs to happen. Also, I have a very keen eye or design which leads itself to vary beautiful outcomes. I take on your project as if I was taking on my own project in my own home never cutting corners never taking shortcuts. If I wouldn’t want it in my house, I won’t do it in your house.

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  • General contractor in Alton

    Reliable contractor offering demolition and handyman services, including interior tear-outs, repairs, and home improvements. I focus on clean, efficient work and keeping job sites organized and ready for the next phase. Quality work, clear communication, and done right the first time.

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  • General contractor in Alton

    At YXZ Landscaping, we are dedicated to providing the Greater Toronto Area with high quality interlocking and hardscaping services. We take pride in delivering exceptional craftsmanship while ensuring every customer enjoys a seamless experience from the initial consultation to project completion. Whether we’re repairing existing interlock, expanding your outdoor living space, or creating a brand new landscape, our mission is simple: to get the job done right the first time. No surprises, no excuses. Just honest work, attention to detail, and an unwavering commitment to quality.

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  • We have over 20 years of construction experience. We take pride in communication and workmanship. Our goal is to bring your vision to life.

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  • General contractor in Alton

    I have been working in heating and cooling for the past 6 years, installing gas lines, furance, space heater, hot water tanks and tankless, etc... also AC units as well and repairs. I also do handyman work eg tiling, painting, decks, fence etc... I have my Gas 3 an DA plus ODP license and working on getting Gas2 license! I also work with contractors who have their Gas2, Gas1 and 313d license. I love what I do and I take pride in my work. I am a hard working person that takes pride in my work, I am clean and tidy and take full responsibility in getting the job done on time. I am always open to customers ideas !

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  • General contractor in Alton

    OCM Excavation & Construction is a family-run, owner-operated contractor serving the GTA. We handle excavation, drainage, foundation waterproofing, demolition, site prep, and complete backyard builds — decks, fences, interlocking pavers, retaining walls, and concrete driveways. We bring our own mini-excavators and equipment. No middlemen, no subcontractor markups. Fully insured, and the owner answers calls himself. Service area: Richmond Hill, Vaughan, Markham, Toronto, Mississauga, Brampton, Newmarket, Aurora, King City, Oakville, and most of the GTA. Message through HomeStars for a free site visit and quote.

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  • We are a full-service commercial landscape company that handles every aspect of your property’s exterior from design and installation to maintenance and seasonal enhancements.

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  • General contractor in Alton

    Hello, my name is Dumitru, and I’ve been in the carpentry and renovation world for over 25 years. My journey started in Europe, where I spent 7+ years mastering fine carpentry, and for the past decade I’ve been proudly serving homeowners in Canada. I believe in true craftsmanship, attention to detail, and, as they say here, going the extra mile (sometimes two) to make sure every client is happy. Quality is not just a word for me; it’s a promise. My clients know me as the guy who always finds a solution, no matter how tricky the project might be. I speak English, Spanish, Russian, and Romanian, which often comes in handy in Toronto’s wonderfully diverse community. If you’re looking for someone who treats your home like his own and values craftsmanship as much as you do, I’d be happy to help bring your project to life.

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4.9

Top rated general contractors

Our general contractors in Alton, are rated 4.9 out of 5 based on 382 reviews from homeowners like you.

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What types of services are offered by local general contractors in Alton?

Whether it's a home renovation or a commercial project, a local general contractor in Alton can help streamline the process. They’ll handle everything from project planning to construction, making sure the work is done right, on time, and within budget.

Popular general contractor services include:

  • Installing or replacing a roof
  • Repairing or maintaining a roof or gutter
  • Installing or renovating bathroom
  • Paving installation

Wondering how to find a general contractor in Alton? Make your search easier with HomeStars. Just post your job, provide a few details, and choose from available general contractors in Alton. It’s quick, simple, and hassle-free.

What is the average cost of hiring a general contractor in Alton?

On average, general contractors in Alton typically charge an average hourly rate of $50 to $150. In some cases, they might charge per project, such as for smaller renovations or larger construction jobs, with costs ranging from $5,000 to $200,000 or more. Alton general contractors may also charge 10% to 20% of the total project cost, depending on the scope of work.

For common general contractor jobs, expect to pay:

Find a general contractor in Alton on HomeStars

Finding the right general contractor in Alton is all about matching your project needs with the right experience and budget. HomeStars makes it easy to connect with Alton building contractors who have a proven track record, with customers leaving reviews and ratings based on their past work.

How to hire Alton general contractors on HomeStars:

  1. Start by posting your project. Add details about the work and include pictures for accurate quotes.

  2. Read through and compare profiles of general contractors based in Alton.

  3. Connect with a general contractor in Alton to discuss your project, request a quote and ask any questions.

  4. Hire the right pro to get the job done and leave a review based on your experience.

Whether it’s a small renovation or a major construction project, HomeStars lets you easily review and select general contractors in Alton with confidence. All building contractors in Alton who register on our platform are verified through ID checks, so you can hire the right pro with peace of mind.

What to ask a Alton general contractor before hiring?

Before you hire, you might want to ask general contractors in Alton the following questions to get a better understanding if they’ll be a good fit for your project.

What types of projects do you usually handle?

A general contractor in Alton should be able to outline the types of projects they specialize in, such as home renovations, new builds, or commercial construction. Local experience as a contractor in Alton is important for understanding regional building codes and construction practices.

Do you handle permits, inspections, and subcontractor coordination?

The right Alton general contractor will manage permits, inspections, and coordinate subcontractors, ensuring your project meets legal and safety requirements without unnecessary delays.

Do you carry general liability insurance and WCB coverage?

All general contractors in Alton should carry general liability insurance and be registered with the provincial Workers’ Compensation Board to protect both you and their team in case of accidents or property damage.

How do you handle disputes or issues during construction?

A general contractor in Alton should have a clear process for managing disputes, unexpected delays, or mistakes. They should be able to explain how they communicate issues, propose solutions, and involve you in decision-making when adjustments are needed.

Who will manage the project on-site, and how will communication work?

Clarify who oversees daily operations and how you’ll stay updated throughout the project. The Alton building contractor should assign a dedicated foreperson or project manager to coordinate all aspects of the work, including supervising subcontractors and scheduling inspections.

FAQ: Common questions about general contractors in Alton

How long does a typical renovation or construction project in Alton take?

Project timelines depend on size and complexity. A Alton general contractor will provide a realistic schedule with start and completion dates and will update you on milestones throughout the project.

When should I hire a general contractor?

Hiring a Alton general contractor early in the planning phase is ideal, especially for large renovations or construction projects. They can help with budgeting, timelines, permits, and coordination from the start.

Do general contractors in Alton handle cleanup after the project?

Most building contractors in Alton include cleanup as part of their services, ensuring debris is removed, the site is safe, and your property is left in good condition once work is complete.

Do general contractors offer design advice or planning support?

Some general contractors in Alton provide design input, helping you optimize space, layout, and materials. While they may not replace an architect, their practical experience can improve efficiency and cost-effectiveness.

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