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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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    • Best of the Best 2024
    • Best of Awards 2024

    WELDA Windows and Doors where Quality Doesn`t Cost - It Pays! ----WELDA Windows and Doors - Ontario’s Home Improvement Company installs Energy Star vinyl windows, residential entry doors and patio / porch / entrance enclosures to fit any home in Toronto, GTA, Ontario. If you`re planning to upgrade your windows, doors or porch enclosure and price, quality, and service are important - you need to contact WELDA Windows and Doors.--- www. weldawindows.com --- www.ontariowindowsanddoors.ca--- We also supply and install Manual and Motorized Retractable awnings for your patio to enjoy sunshades on a Sunny Days. Please visit www.weldashading.com--- *** Whether your preference is for basic sliding windows and steel entry doors or your taste is more for casement windows and fiberglass doors, WELDA Windows & Doors home improvement company has the solution for you. Replacement vinyl windows in Toronto; front entrance doors in Toronto, GTA, Barrie; energy star windows in Toronto, Brampton; porch enclosures in Oakville, Oshawa; sliding patio doors in Kitchener, Burlington, Ajax. *** WELDA Windows and Doors offers a full line of vinyl replacement windows, residential entry doors, porch enclosures and window coverings to enhance the architectural style of any home in the Greater Toronto Area. *** Investing in new windows and doors should be a one-time investment, so we make every effort to provide our customers with the education and understanding they need to make an informed buying decision. *** At WELDA Windows, our approach is different. First of all, rather than "sell" you anything, we help you "buy" windows and doors by listening to your needs and then matching those needs with the right product and installation to meet those needs. Homeowners who make "informed buying decisions" based upon having all their needs met and understanding what they are purchasing are the most satisfied customers. *** Our consultants are very skilled at walking you through the buying process, listening to your needs and concerns, explaining the features and benefits of each product and installation and arriving at the best choice to fill your needs. They can even explain the many financing options that are available to help you get the products you want, when you want them. After choices are made, our consultants can explain the installation process. Our custom installation methods and techniques assure a neat, clean, efficient installation in your home. WELDA stands behind its work like no other home improvement company. *** Our products & services include: *Energy Efficient Windows & Doors, CSA Rated, Energy Star *Single & Double Slider Window *Awning Window *Single & Double Hung Window *Casement Window *Picture Window *Bay Windows *Bow Windows *Steel Entrance Door *Fiberglass Entry Door *Garden Hinged Door *Exterior Sliding Patio Door *Windows & Doors Installation *Porch Enclosures *Window Coverings *Custom Interior Shutters *** See full details of all our products on our website: www.weldawindows.com and www.ontariowindowsanddoors.ca

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  • General contractor in Alton

    Been in construction for 25 years learned multiple trades basically a jack of all trades master of nothing LOL

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  • Renovation, Installations, Decoration and Maintenance projects Our team can help you with any of your home or business renovation, installations, decoration and maintenance project • Home, kitchen and bath renovation and remodeling • Plumbing, faucet replacement, unclogging drains, vanity installations • Pot lights, chandeliers, switches installation / replacement • Tiling, laminate/hardwood floor installation or repair • Painting, plastering, spraying residential/commercial. • Audio/ video systems design and installation • Appliance installation (dishwashers, washers/dryers etc.) • Furniture assembly, shelving • Design ideas for your home renovation project (big or small) • Home or office complete decoration

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  • General contractor in Alton

    Why Choose Nexair HVAC? Our company is built on a foundation of honesty, quality craftsmanship, and absolute reliability. We believe in diagnosing problems accurately and providing transparent solutions without ever upselling you on services you don’t need. We are fully licensed (G2 Gas & 313A Refrigeration) and insured, and we treat your home with the utmost respect. Our Expertise We specialize in the repair, maintenance, and installation of all major brands of furnaces, air conditioners, heat pumps, water heaters, and indoor air quality systems. Our skills include advanced diagnostics for tough problems, high-efficiency system optimization, and smart thermostat integration. Our Service Area Based in Brampton, we proudly serve the entire Greater Toronto Area (GTA) and surrounding cities. Our extensive service area includes: Toronto & Etobicoke Peel Region (Brampton, Mississauga, Caledon) York Region (Vaughan, Richmond Hill, Markham) Halton Region (Oakville, Milton, Burlington) Durham Region (Pickering, Ajax, Oshawa) Other cities including Guelph, Kitchener, Hamilton, and Barrie. If you don't see your location listed, please call us! Choose Nexair HVAC for professional service and peace of mind.

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  • General contractor in Alton

    Rai star builders inc is the one of the leading construction company in Brampton ON CANADA. We offer customer satisfaction residential construction building service all over the GTA. Also specialize in Framing, Drywall and Mudding work. We have been working in construction sector since 2016

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  • Have more than 5 years experience in plumbing mostly deal with newly built projects like schools high rise also has experience in service calls m licensed plumber if u want best and according to code work u should hire me then no need to worry about ur job it will be done in professional manner

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  • General contractor in Alton

    Licensed Electrician. We offer fast, reliable, and affordable electrical services for all your needs. Happy to serve your needs.

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  • General contractor in Alton

    Titan Apex Group is an Ontario-based, fully licensed and insured renovation and construction company proudly serving the GTA and Niagara Region. We specialize in complete residential transformations, including full home renovations, basement finishing and legal secondary suites, kitchen and bathroom remodels, framing, drywall, flooring, painting, as well as exterior projects such as landscaping, decks, fences, concrete work, and curb-appeal upgrades. Our company maintains all required contractor licensing, WSIB coverage, and liability insurance, ensuring every project is completed safely and in full compliance with Ontario building codes. We handle all necessary permits, inspections, and municipal requirements for legal basement conversions and structural renovations. Clients choose Titan Apex Group for our clean workmanship, reliable timelines, transparent pricing, and strong communication. We provide detailed quotes, clear project management, and a workmanship warranty on all completed jobs. We proudly support homeowners, realtors, investors, and partner contractors, delivering high-quality renovations that increase property value and improve functionality.

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  • General contractor in Alton

    I’m working last 3 year in flooring and also do the handyman work.

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  • General contractor in Alton

    Let us design your dream kitchen on very affordable prices

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  • At Nika Trim, we specialize in custom trim carpentry and fine finish work that brings out the best in your space. Whether you’re building a new home or upgrading your current one, we bring over 15 years of hands-on experience and craftsmanship to every job. From detailed crown moulding and wainscoting to custom-built features and fireplace surrounds, we focus on clean lines, quality materials, and the little details that make a big difference. We’ve worked with homeowners, general contractors, and developers across Southern Ontario - and now we’re proud to serve Guelph, Kitchener, Waterloo, Puslinch, Hamilton, and surrounding areas.

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  • General contractor in Alton

    We handle all aspects of general renovations — from kitchens and bathrooms to flooring, basements, and more. Our team brings craftsmanship, clear timelines, and honest pricing to every project. Whether it’s a full-home refresh or a single-room upgrade, we make your renovation smooth, stress-free, and stunning.

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    • Best of Newly Listed 2025

    At McLean Property Services, we are a family business serving Kitchener, Guelph, Waterloo, and Cambridge. We take pride in taking care of all the hard work associated with owning a home. Whether you need property maintenance, landscaping, or even demolition, we have you covered. Our team has experience in major Canadian infrastructure projects, insurance contracting, golf course maintenance, and residential landscaping and have brought it all together to ensure the highest quality for our clients. Give us call - (519) 546-9566

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  • General contractor in Alton

    We provide fast and professional residential plumbing Services.No job is too small-here to help with all your plumbing needs. Services We Offer: • Drain cleaning & unclogging • Toilet repair & replacement • Sink, faucet, and shower repairs • Leak detection & pipe repairs

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  • General contractor in Alton

    We are an experienced company with quality and delivering projects on time is our priority. We have trucks and all tools and equipment to go anywhere to get the job done. We specialize in porcelains, ceramic and stone tile and slabs.

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  • General contractor in Alton

    Effortless Pool, Endless Peace. From Maintenance, to repairs we do it all. No job big or small. Owning a pool should be relaxing not stressful, last us take some weight off your shoulders this season.

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4.9

Top rated general contractors

Our general contractors in Alton, are rated 4.9 out of 5 based on 262 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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