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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

    Specializing in both commercial and residential projects, we are dedicated to revitalizing your properties with the highest standards of cleanliness and care. Our skilled team utilizes state-of-the-art equipment and eco-friendly solutions to ensure your surfaces are spotless, enhancing curb appeal and extending the lifespan of your exteriors. Whether it’s removing stubborn grime from driveways, restoring the shine to building facades, or maintaining the pristine appearance of public spaces, H2PRO is committed to delivering exceptional results with every job. Experience the H2PRO difference and let us power wash your worries away.

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  • General contractor in Alton

    We do the job right the first time !

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  • O’Connor Construction – Where Quality Meets Craftsmanship At O’Connor Construction, we believe your home should reflect who you are. Founded in 2021 by a passionate young carpenter, we are committed to exceptional service, attention to detail, and craftsmanship that lasts. We take pride in every project, from small renovations to full home builds. Whether it's a bathroom reno, basement transformation, or your dream backyard deck, we approach each job with precision and professionalism. What sets us apart is our focus on relationships. We believe communication is key, keeping you informed and engaged throughout the process. Your vision is our priority, and we work closely with you to bring it to life. Our Services: ✔ Bathroom Renovations – Functional, stylish, and built to last. ✔ Basement Renovations – Create a cozy living space, home office, or entertainment zone. ✔ Dream Backyard Decks – Perfect for relaxing and entertaining. ✔ Full House Builds – Quality, style, and lasting value from the ground up. We offer competitive pricing without compromising on quality. Let’s build something great together! Contact O’Connor Construction today to start your project.

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  • General contractor in Alton

    Hi, I’m Mujtaba and I’m a certified HVAC technician with five years of experience in providing top-notch heating, cooling, and ventilation solutions for Condo units. Whether it's installing a new system, performing routine maintenance, or handling emergency repairs, I’m here to ensure your condo stays comfortable year-round. My goal is to offer reliable, efficient, and affordable HVAC services, with a focus on your satisfaction. If you need any HVAC help, feel free to reach out—I’m here to help

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  • General contractor in Alton

    At Henry Renovation Services, we are proud to offer top-quality craftsmanship in hardwood flooring, stair refinishing, interior painting, and tile installation. With years of experience in the renovation industry, our team is committed to delivering professional, reliable, and detail-oriented service for every project—big or small. We specialize in transforming interiors by giving new life to old stairs, installing beautiful and durable hardwood floors, refreshing walls with clean, sharp painting work, and upgrading spaces with modern, well-installed tiles. Whether you’re updating a single room or renovating your entire home, we bring the same level of care and attention to detail to ensure the results meet—and exceed—your expectations. Customer satisfaction is at the heart of everything we do. From your first consultation to the final walkthrough, we focus on clear communication, honest pricing, and top-quality workmanship. Fully insured and experienced, we proudly serve homeowners across the GTA with dedication and professionalism you can trust. Let Henry Renovation Services help bring your renovation vision to life—on time, on budget, and with outstanding results.

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  • General contractor in Alton

    ATZ Weld & Build Inc. is a multi-trade contracting company dedicated to delivering high-quality welding, HVAC, and renovation services across residential, commercial, and industrial sectors. Our team combines technical expertise with hands-on experience to provide reliable solutions tailored to every project. From precision welding and custom metal fabrication to professional HVAC installation, maintenance, and repair, we ensure every system and structure is built to perform with efficiency and durability. In addition, our renovation services transform spaces with careful planning, skilled craftsmanship, and a focus on long-term value. At ATZ Weld & Build Inc., we pride ourselves on integrity, safety, and customer satisfaction. Whether it’s a small repair, a full-scale renovation, or specialized mechanical work, we are committed to exceeding expectations and building results that last.

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  • General contractor in Alton

    Helix Home Supplies is a full-service renovation company capable of handling complete projects from A to Z. We manage every stage of the renovation process, including planning, material supply, demolition, framing, plumbing and electrical coordination, drywall, finishing, and final installation. Our team focuses on delivering high-quality workmanship, efficient project management, and reliable timelines for residential and commercial spaces. From small upgrades to full home renovations, we provide end-to-end solutions tailored to client needs with a strong commitment to durability and professional standards.

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  • Arwin Painting & Renovation is a trusted contractor proudly serving Toronto and the GTA with over 20 years of experience. We specialize in residential and commercial projects, delivering high-quality painting, full renovations, kitchen and bathroom upgrades, and complete interior and exterior solutions. Our team is committed to precision, reliability, and clean workmanship on every project—whether it’s a small touch-up or a full-scale renovation. We work closely with homeowners, property managers, and businesses to ensure projects are completed on time, on budget, and with minimal disruption.

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  • General contractor in Alton

    Looking for reliable, high-quality construction work in the GTA? At Noyan Construction, we take pride in delivering professional results — fast, clean, and with great attention to detail. I’m Ali, a Civil Engineer and the owner of Noyan Construction. With both technical knowledge and hands-on experience, my team and I handle every job with care and precision. 🔹 Our services: • Tiling • Demolition • Flooring • Framing • Drywall & Taping • Painting • Decks & Fences • Landscaping Whether it’s a small renovation or a full construction project, we make sure you’re completely satisfied from start to finish. 📞 Contact us today for a free estimate or consultation!

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  • General contractor in Alton

    Tor Contracting Inc. specializes in: - Excavating - Concrete; Slabs, Pads, Sidewalks, Patios, Floors - ICF Construction - Waterproofing & Foundation Repairs - Demolition; Interior, Exterior, Total - Drainage - Culverts

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  • General contractor in Alton

    Pavlo is a jack of all trades, bathroom remodeling company, home renovation and painting, office repair specialist, appliance repair specialist, from Mississagua. Our goal is to provide our customers with quality service and excellent craftsmanship. If you need help with electrical outlets and switches installation or repair, installation or replacement, lighting installation, various small jobs, painting houses, offices, write to us so that we can help you and make an estimate.

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  • General contractor in Alton

    Green Haven Landscapes Ltd is a Brampton based General contractor, Window Contractor, Security specialist and business services, Kitchen Renovation Company, Electrician, Handyman, Landscaping Company, Carpenter, Mason, Excavation Specialist, Metal worker, Pool company, Concrete Specialist, Fences & Gates Specialist, Flooring Contractor, Paving Contractor, Cabinet maker, Plumber, Tiler & Cleaning company company. Our goal is to provide quality service and excellent workmanship to our customers. If you need help with install garden or outdoor lighting, install sprinkler system, yard design / landscaping, pave outdoor and garden, install fence, build pergola, gazebo or garden house, yard maintenance, install or renovate swimming pool, install or maintain pond, lay lawn or sow grass, level or excavate soil, install or replace water fountain, landscape curbing, winter services and snow removal, brick and stone flatwork repair & soil, sand, mulch, or rock delivery, message us so we can assist you and arrange a quote.

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  • General contractor in Alton

    We are a professional team with 15 years of experience in brick and stone installation in Toronto and its surroundings (GTA). Over the years, we have implemented dozens of successful projects, working with both private clients and commercial facilities. Our services: Brickwork - construction of walls, facades, fences, fireplaces and decorative elements. Laying of natural and artificial stone - facing of facades, interiors, fireplaces, garden paths, etc. Restoration and repair of bricks and stone - restoration of old masonry, sealing of joints, restoration of historical buildings. Commercial and residential construction - work with private houses, apartment buildings, offices and industrial facilities. Why choose us? ✔ 15 years of experience - we know all the nuances of working with brick and stone, from classic masonry to modern technologies. ✔ High quality of work - we use only proven materials and comply with building codes. ✔ Responsibility and reliability - we work clearly on time and with attention to detail. ✔ Flexible approach - we offer individual solutions, taking into account the wishes and budget of the client.

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  • General contractor in Alton

    12 years in general construction/ renovations 2 as a handyman.

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  • General contractor in Alton

    hello i am jose. I am a 34 year old year old hardworking individual. i have been pouring and finishing concrete for 15 years. i am independent and care about the work i do. good prices and good results.

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  • General contractor in Alton

    With almost a decade of experience we take pride in crafting custom millwork for both residential and commercial spaces. From inception to completion, we ensure timely delivery and exceptional results, tailored to your unique vision. - Residential and Commercial Cabinetry - Kitchen and Closet Cabinets - Bathroom Cabinets and Vanities - Accent Walls - Wall units

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4.9

Top rated general contractors

Our general contractors in Alton, are rated 4.9 out of 5 based on 257 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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