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General contractors in Oshawa

Looking for a general contractor in Oshawa? Post your project on HomeStars and get matched with Oshawa 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 Oshawa

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  • General contractor in Oshawa

    Customer satisfaction guranted.

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  • General contractor in Oshawa

    Architectural Engineer with extensive experience in architectural design, structural detailing, technical drafting, and the preparation of precise construction drawings and blueprints. Proficient in construction coordination and project support, including scheduling, project tracking, quantity take-offs, cost estimating, and the development of high-quality plans, schematics, renderings, and technical details. Experienced in restoration plans, renovation, and adaptive reuse projects for historical and heritage buildings, with a strong understanding of building systems, construction processes, and regulatory requirements. Recognized for delivering accurate, detail-oriented design solutions while effectively collaborating with multidisciplinary teams, consultants, contractors, and clients.

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  • General contractor in Oshawa

    We are a dedicated exterior renovation team specializing in fascia, soffits, siding, and gutter systems. With a strong focus on quality craftsmanship and attention to detail, we ensure every project is completed to the highest standard. Our experience in fast-paced, high-pressure environments has built a strong work ethic, organization, and commitment to delivering results on time. We take pride in providing reliable service, clear communication, and clean, professional finishes that protect and enhance your home. Whether it’s repairs, replacements, or new installations, we work efficiently and treat every property with care and respect.

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  • Adastra Construction Group is a trusted provider of high-quality finishes and renovation services across the GTA. With over a decade of professional experience, we specialize in micro cement, lime wash, Venetian plaster, stucco, and stone installations, as well as complete home and basement renovations. Our team is dedicated to delivering precision, durability, and modern design in every project. From transforming interiors with elegant decorative finishes to enhancing exteriors with durable stucco and stone systems, we bring craftsmanship and reliability to every stage of construction. Why choose us: At Adastra Construction Group, we take pride in our attention to detail, clear communication, and commitment to client satisfaction. Every project is completed with care, quality materials, and professional expertise — ensuring long-lasting, beautiful results that stand the test of time.

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  • General contractor in Oshawa

    “We specialize in custom kitchens, cabinets, closets, stairs, railings, and high-quality woodworking for homes. We create custom designs built with craftsmanship, precision, and attention to detail to match every client’s vision.”

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  • General contractor in Oshawa

    Hello there where here to make your construction project a simple and as stress free as possible and to make sure your getting what it is your wanting in the end!

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  • General contractor in Oshawa

    Mobile welding (Licensed) welding aluminium, pipe. mig, stig. tig welding. cwb certification.

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  • General contractor in Oshawa

    Was brought in to the business at a young age fell in love with the trade. We are a small family run Crew with lots of experience and work hard to keep our customers happy. We take pride in our work and are willing to work with you to get the job done at a fair price. Estimates are always Free with us. Specialize in flats Eaves cleaning and replacements Small repair jobs

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  • General contractor in Oshawa

    Your home is your most valuable asset, and we treat every project as if it were our own. We specialize in transforming underutilized spaces into functional, beautiful living areas. We specialize in high-end millwork and complex structural renovations, including the installation of oversized skylights and floor plan reconfigurations. With a focus on precision and craftsmanship, we transform living spaces through custom woodwork and architectural upgrades. Whether you are looking to flood your home with natural light or require intricate custom built-ins, our team ensures every structural change is safe, permitted, and aesthetically stunning. We pride ourselves on turning challenging renovation visions into reality with uncompromising quality.

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  • General contractor in Oshawa

    Sun Leaf Roofing is a locally operated roofing and exterior renovation business serving Toronto, Windsor and all GTA areas. Our team brings more than 15 years of hands-on roofing experience to roof repairs, shingle replacement, complete roof installations and new construction projects. We also work on siding, soffit, fascia and gutter systems. We focus on clear communication, careful workmanship and honest pricing. Whether you need a small repair or a full roof replacement, we’ll assess the job, explain your options and provide a free quote.

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  • General contractor in Oshawa

    About Us I am an experienced cabinet maker, finish carpenter, and professional painter and upholstery with years of hands-on experience working on residential renovation projects. I specialize in the installation and adjustment of kitchen cabinets, custom wardrobes, closets, and interior woodwork, always focusing on accuracy, durability, and clean finishing. In addition to carpentry and cabinetry, I have extensive experience in interior and exterior painting. My painting work includes proper surface preparation, drywall repair, sanding, priming, and applying high-quality paint for smooth and long-lasting results. I follow professional standards to ensure clean lines, even coverage, and a tidy work environment. I take pride in being reliable, punctual, and respectful of clients’ homes. Every project is completed with attention to detail, clear communication, and a strong focus on customer satisfaction. My goal is to deliver quality workmanship that meets homeowners’ expectations and project requirements. Services Kitchen cabinet installation and adjustments Custom cabinetry and finish carpentry Wardrobes and closet systems Interior woodwork and decorative details Interior and exterior painting Drywall repair and surface preparation

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  • A tall man who is reliable and hardworking professional with a strong attention to detail. I take pride in being punctual, respectful, and easy to communicate with. Customers value my honesty and dedication to doing the job right the first time. My goal is simple: to provide high-quality service and make sure you’re fully satisfied with the results.

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  • General contractor in Oshawa

    Hi! I’m Imre Schull, owner of “Schull Renovations” company. We specialize in home renovations and demolitions, providing professional, fast, and affordable services. We offer free quotes and pride ourselves on delivering quality work on time and on budget. Whether it’s a small upgrade or a full renovation, we get the job done efficiently and professionally.

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  • General contractor in Oshawa

    I am a professional HVAC technician having experience more than 5 years, My goal is to serve people with honesty and professional service in HCAC field.

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  • General contractor in Oshawa

    Need a General contractor and Home Renovator we specialize in finish basement, kitchen and bathroom remodeling, tile and floor installation, framing, drywall repair and installation, potlights replacement and installation pride ourselves on the quality work that we deliver throughout GTA to each and every client. Contact us to talk about your job and get a quote.

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  • General contractor in Oshawa

    experience and quality

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4.9

Top rated general contractors

Our general contractors in Oshawa, are rated 4.9 out of 5 based on 501 reviews from homeowners like you.

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

Whether it's a home renovation or a commercial project, a local general contractor in Oshawa 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 Oshawa? Make your search easier with HomeStars. Just post your job, provide a few details, and choose from available general contractors in Oshawa. It’s quick, simple, and hassle-free.

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

On average, general contractors in Oshawa 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. Oshawa 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 Oshawa on HomeStars

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

How to hire Oshawa 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 Oshawa.

  3. Connect with a general contractor in Oshawa 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 Oshawa with confidence. All building contractors in Oshawa 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 Oshawa general contractor before hiring?

Before you hire, you might want to ask general contractors in Oshawa 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 Oshawa 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 Oshawa is important for understanding regional building codes and construction practices.

Do you handle permits, inspections, and subcontractor coordination?

The right Oshawa 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 Oshawa 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 Oshawa 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 Oshawa 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 Oshawa

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

Project timelines depend on size and complexity. A Oshawa 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 Oshawa 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 Oshawa handle cleanup after the project?

Most building contractors in Oshawa 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 Oshawa 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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