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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

    “Hello, my name is Tarik karakaya .I am a dedicated and detail-oriented masonry professional with experience in bricklaying, block work, repairs, and high-quality finishing. I take pride in delivering reliable, long-lasting results and excellent customer service. My goal is to ensure every project is done safely, on time, and to the highest standards. I look forward to working with you and bringing your vision to life.”

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  • General contractor in Alton

    I am a plumber

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  • General contractor in Alton

    Reliable handyman you can text anytime. Quick, clean, and fair home repairs. Services include: - Drywall repair & installation - Interior/exterior painting - Light fixture & ceiling fan installation - Furniture assembly - General home maintenance - Unfinished basement / Garage work - Garage opener replacement Hands-on experience, Honest pricing, Clean, respectful Fully equipped with tools. Available in GTA and all over Ontario

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  • General contractor in Alton

    NM SEAL MASTERS INC is a company specialized in caulking and re-caulking services, from standard sealing to advanced fire stop caulking systems. With over 5 years of experience, our team has extensive expertise working on both residential and commercial projects, for interior and exterior applications. We use Swing Stage systems, Boston chair, and Zoom boom equipment to safely and efficiently complete projects at all heights and hard-to-reach areas. Our mission is to provide long-lasting protection against water, air, and fire while delivering a clean and professional finish. Quality, safety, and reliability are the standards we stand by on every job.

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  • General contractor in Alton

    About Us MEX/CAN, we specialize in roofing, handyman services, and general construction with a commitment to quality, reliability, and customer satisfaction. With years of experience serving residential and commercial clients, we provide expert solutions tailored to every project BIG or small. Whether it’s repairing a leaking roof, handling home improvements, or managing full-scale construction jobs, our skilled team brings professionalism and attention to detail to every task. We take pride in delivering long-lasting results on time and within budget. Our Services Include: Flat & sloped roof installation and repair Torch-on & shingles roofing Interior & exterior handyman services Framing, drywall, painting, flooring Renovations, additions, and custom builds Emergency repairs & maintenance We treat every home and business as if it were our own. Let us help you build, fix, and protect your property with confidence. Reliable. Professional. Affordable.

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  • General contractor in Alton

    Hi! I’m Abdul from NeatScape. We specialize in transforming your property from top to bottom — offering expert landscaping, window cleaning, house cleaning, and driveway sealing services. Whether you need a fresh cut and cleanup for your yard, crystal-clear windows, a spotless home, or a restored and sealed driveway, we handle every job with care and precision. I treat every property like it’s my own, with a focus on quality, reliability, and exceptional customer service. Let’s bring out the best in your home — inside and out.

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  • General contractor in Alton

    Nexstep builds and repairs wood, chain link, and ornamental fences across Mississauga and Niagara. We handle everything from new installs to storm damage and gate welding. Licensed, insured, and known for clean work at fair prices. Fence installs & repairs done right. Wood, chain link, metal, gates. Affordable rates, certified welders on staff for custom work. Serving Mississauga to Niagara. Call for a free quote. Want me to add specialties like pool fencing or commercial work?

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  • General contractor in Alton

    Premium Demolition is a local GTA business specializing in demolition, selective deconstruction, interior strip-outs, and junk removal. We provide fast, clean, and safe work for houses, condos, basements, kitchens, bathrooms, and commercial spaces. Our focus is on precision, safety, and protecting the parts of the home that need to stay. We always secure the workspace, use professional equipment, and leave the area clean and ready for the next stage of the renovation. Services we provide: • Interior demolition • Selective demolition / deconstruction • Kitchen & bathroom demolition • Basement demolition • Flooring & tile removal • Junk removal & debris hauling • Light abatement support Why clients choose us: • Free estimates • Fast availability • Transparent pricing • Full cleanup after every job • Professional and reliable service If you’re looking for a solid, punctual, and detail-focused demolition team, Premium Demolition gets it done — with passion and precision.

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  • General contractor in Alton

    Need a Demolition company, Junk Removal Specialist, Business Services, General Repairs and Maintenance, Mason & Handyman based in North York or nearby? Oz3 General Contracting can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

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  • General contractor in Alton

    Hello, i’m Niyaz Service Offerings I provide high-quality and reliable services, including: • Interior and exterior painting • Driveway restoration • Minor plumbing work • Handyman services • Demolition • Wallpaper installation • And much more Contact me to discuss the details and find the best solution for your project!

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  • General contractor in Alton

    At Portimão Plumbing, we bring over 7 years of licensed plumbing experience to every project. Founded in 2025, our young and ambitious team is passionate about delivering top-quality solutions for both residential and commercial clients. Our services include: Residential and Commercial Plumbing: From urgent repairs to comprehensive installations, we’re here to meet your plumbing needs. Our guiding principles are at the heart of everything we do: Transparency and Honesty: We believe in open communication and fair pricing. You’ll always know what to expect, with no surprises along the way. Treating Your Home Like Our Own: Every job is handled with the care and attention we’d give to our own spaces. At Portimão Plumbing, we’re committed to providing reliable, high-quality work you can trust. Whether it’s a quick fix, a major renovation, or a new build, we’re here to help. Contact us today to discuss your project and get started!

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  • General contractor in Alton

    Maza Contractors is a trusted general contracting company specializing in high-quality interior renovations and professional installations across the GTA. We provide a wide range of services including basement renovations, kitchen remodeling, custom woodwork, flooring, painting, and fixed seating installations for both residential and commercial spaces. Our team is committed to delivering clean, precise workmanship with a strong focus on detail, efficiency, and customer satisfaction. Whether it’s a small upgrade or a full-scale renovation, we work closely with our clients to bring their vision to life—on time and on budget. Why choose Maza Contractors? ✔ Reliable and professional service ✔ High-quality finishes built to last ✔ Experience in both residential & commercial projects ✔ Clear communication from start to finish We proudly serve clients across the GTA. 📞 Contact us today for a FREE quote and let’s get started on your next project.

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  • General contractor in Alton

    With 9 years of hands-on experience, we provide top-quality plumbing solutions you can rely on—day or night. Our team specializes in everything from routine maintenance to 24/7 emergency repairs, delivering fast service without compromising craftsmanship. Homeowners and businesses across the area trust us for our honest advice, transparent pricing, and dependable results. When you need a plumber who values quality, trustworthiness, and prompt response, we’re ready to keep your water running smoothly.

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  • General contractor in Alton

    Greetings! I’m here to make your life easier! A lot of experience, prof tools, guarantees of quality will work on you!

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  • General contractor in Alton

    I will repair everything you need quickly and efficiently

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  • General contractor in Alton

    We are Cri Innovations, small company but always thinking of you and the best for your house. Quality work done by professionals

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4.9

Top rated general contractors

Our general contractors in Alton, are rated 4.9 out of 5 based on 260 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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