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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

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

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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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  • 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

    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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  • 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

    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

    Transforming Homes with Expert Tile Work 🛁 Bathrooms | 🚿 Showers | Backsplahes

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  • General contractor in Oshawa

    🌸Shine with us Landscaping Interlocking Fence & Deck Grass Painting Fertilizer Planting Tree pruning Lighting Clean up Snow removal

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  • General contractor in Oshawa

    Reliable Handyman & Renovation Services – Quality You Can Trust! Looking for a skilled and trustworthy handyman? I specialize in carpentry, painting, deck & patio building, fencing, and general home repairs. With years of experience in the Toronto and cottage areas. I understand the unique needs of homeowners and cottage owners. ✔️ Custom decks, patios & fences ✔️ Interior & exterior painting ✔️ Home repairs & renovations ✔️ Fast & reliable service I take pride in delivering high-quality craftsmanship and excellent customer service. Whether you need a small fix or a major renovation, I’m here to help. Contact me today for a free quote and let’s make your vision a reality!

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  • General contractor in Oshawa

    With over 10 years of hands-on experience in windows and doors installation, we specialize in delivering precision, durability, and clean craftsmanship on every project. Our expertise goes beyond standard replacements. We perform custom window and door installations, structural openings, resizing and modifying window shapes, and complex multi-unit combinations. Whether it’s creating a new opening for additional natural light or designing a unique window configuration, we approach every project with technical accuracy and attention to detail. We work with homeowners who value quality, aesthetics, and long-term performance. Every installation is done properly — level, sealed, insulated, and built to withstand Canadian weather conditions. We believe in an individual approach to every home. No shortcuts, no rushed jobs — just solid workmanship, clear communication, and results that add real value to your property. If you’re looking for premium installation with precision and reliability, we’re ready to bring your vision to life.

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  • General contractor in Oshawa

    AE Painting and Renovation Company is a trusted name dedicated to transforming spaces with quality, care, and attention to detail. We specialize in professional painting and complete renovation services for residential and commercial properties. From refreshing interiors to full-scale renovations, our experienced team is committed to delivering exceptional craftsmanship, durable results, and on-time completion. At AE Painting and Renovation Company, we take pride in turning your vision into reality, Enhancing comfort, beauty, and value in every project we undertake.

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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

    Year round property care/Landscaping company🏡 Toronto&GTA🇨🇦📍 Lawn and garden maintenance 🌱 Fall clean-up 🍂 Snow removal ❄️ Landscape&Hardscape designs🧱 Free estimate/Book now ⬇️

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4.9

Top rated general contractors

Our general contractors in Oshawa, are rated 4.9 out of 5 based on 327 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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