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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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    • Best of Newly Listed 2025

    Interiality is a one-stop-shop for all your home improvement needs! We specialize in crafting beautiful decks and fences to enhance your outdoor space, as well as transforming your bathrooms, basements, and kitchens into stunning and functional areas. With a keen eye for detail and a commitment to quality, we bring your renovation dreams to life. From start to finish, we handle everything with expertise and care, ensuring a smooth and successful renovation experience for you. Our company not only excels in delivering top-notch quality and craftsmanship but also offers competitive pricing. We believe that high-quality renovations should be accessible to everyone, and we strive to provide the best value for your investment. With us, you can achieve your renovation goals without breaking the bank. Let's make your dream home a reality without compromising on quality or budget!

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  • General contractor in Oshawa

    Hi, I’m a professional flooring installer serving clients all across the Greater Toronto Area. I’ve been working in the flooring industry for over five years, delivering high-quality results on both residential and commercial projects. I specialize in precise installation, attention to detail, and durable finishes that are built to last. I take pride in my workmanship, show up on time, communicate clearly, and treat every home or job site with respect. My goal is simple: to make sure every client is 100% satisfied with the final result. When you hire me, you’re choosing someone who values quality over shortcuts, offers honest pricing, and stands behind their work. Whether you’re upgrading a single room or renovating an entire space, you can count on reliable service and professional results every step of the way.

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  • General contractor in Oshawa

    At Diafa Carpentry, we make home projects simple. Our experienced team offers carpentry, drywall installation and repair, general handyman services, and moving assistance to help you complete your projects smoothly and efficiently. Whether you need custom woodwork, home repairs, or help moving, we deliver reliable service and quality workmanship every time.

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  • General contractor in Oshawa

    Havahome Services specializes in comprehensive property maintenance with a focus on exterior protection and restoration. We provide full aluminum and vinyl installations including gutters, soffit, fascia, downspouts, gutter guards, and siding. Our team also handles gutter cleaning and repairs, door and window capping, roof repairs and inspections, pressure washing, and both exterior and interior window cleaning. From top to bottom, we keep homes looking sharp and performing strong.

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  • A professional handyman specializing in home renovations brings expertise in tiling, stonework, waterproofing, and plumbing. This diverse skill set enables them to handle various aspects of renovation projects, ensuring quality workmanship across multiple trades.

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  • One General Contractor for the entire project Cycle. We are the team of the skilled professionals dedicated to provide reliable, financially comprehensible and quality trustworthy design and construction services throughout GTA. We are experienced with wide range of additions and new house construction. Since 2006, we accomplished simple rear house extensions or complicated second floor additions, built a new house from the ground to the roof and helped our customers to remodel entire houses to their bravest expectations. WellCore Corporation team with professional: architect / permit specialist, addition / new home construction specialist and back office support staff, will deliver a unique construction experience. We are pledged to provide detailed and understandable budgets, full explanation about all steps involved in construction of your project and create easy, workable, stress free environment to our customers.

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  • General contractor in Oshawa

    S2 Construction, we specialize in commercial projects, franchise. Some of the projects we've done were Harvey, Swiss Chalet, A&W, Wingstop, T&T and more We do steel framing, exterior & interior paint, drywall installation (tape & mud), floor and wall tiles Skilled professionals with a lot of experience Attention to detail and customer satisfaction

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  • General contractor in Oshawa

    We are a full-service construction company with over 10 years of experience providing residential and commercial construction services. We specialize in home additions, renovations, and design & build solutions, delivering projects from initial planning and design through to construction and final completion. Our residential services include custom home additions, full home renovations, basement renovations, and interior upgrades. On the commercial side, we work on office, retail, and light commercial renovation projects, ensuring compliance with applicable building codes and permit requirements. We work closely with our clients to understand their needs, maintain clear communication throughout the project, and provide transparent pricing. With a strong focus on quality workmanship, safety, and scheduling, we are committed to delivering reliable results for both homeowners and business clients. We have extensive experience working with permits and inspections ,Fully insured and WSIB compliant.

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  • General contractor in Oshawa

    We are licensed general contractors providing full-service interior and exterior home renovations. Our specialties include kitchens, bathrooms, flooring, roofing, decks, and home siding. We also offer in-house engineering for structural projects that require blueprints, and we take care of all necessary permits. Our team handles water infiltration issues as well as mold and asbestos remediation. All work is completed by our own skilled carpenters, we do not subcontract any of our projects. All our estimates and initial visits are FREE. Please note that we do not offer landscaping services.

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  • Resourceful landscaper and construction professional with over 10 years of experience in landscape maintenance and general labor. Proven expertise in grading, interlocking brick and natural stone.

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  • General contractor in Oshawa

    “With six years of experience in home renovations, I specialize in drywall, floor installation, painting, and framing. Serving clients all across the GTA, I pride myself on delivering high-quality craftsmanship at very competitive prices.”

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  • We specialize in complete bathroom renovations, handling every stage of the project from demolition to final finishes. Our work includes proper subfloor preparation, recessed and curbless shower systems, continuous waterproofing, cement board installation, tile setting, plumbing fixture installation, vanity and trim work, and detailed finishing. We prioritize structural integrity, moisture protection, and long-term durability to ensure each bathroom is built correctly and designed to last. In addition, we provide high-end finish carpentry services with a strong focus on precision and craftsmanship. Our experience includes custom cabinetry installation, baseboards and crown moulding, door and window casing, interior door installation (including pocket and barn doors), feature walls, custom shelving, stair trims, and detailed millwork. We take pride in clean lines, tight joints, proper alignment, and delivering refined, professional results that elevate any space.

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  • General contractor in Oshawa

    Hello there, Your issue is our issue let us fix it

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  • General contractor in Oshawa

    Hi, I’m Rachid I specialize in professionally renovating and restoring buildings with 9 years of experience in painting, plastering, and drywall work. I transform every space with precision and attention to detail, ensuring high-quality finishes that enhance both the beauty and functionality of your property.”

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  • General contractor in Oshawa

    What we do: Force Construction offers comprehensive construction services for both residential and commercial clients in Ontario, Canada. Our services include demolition, framing, drywall, plumbing, tiling, painting, flooring, wallpapering, Basement finishing , kitchen remodeling, bathroom renovations and other interior and exterior services. We are in this work for more than 15 years in Canada. Approach & values: • Emphasis on turning clients’ visions into reality (“Your Vision, Our Expertise”). • Quality, reliability, and a personal touch are core of our promise. • Customer-centric: We do open communication and keeping clients involved throughout the project. Strengths / Advantages: • Broad suite of services, which means one company can handle many parts of a build or renovation. • Skilled trades and craftsmanship. • Commitment to using high-quality materials. • Focus on completing on time and to specification without compromising workmanship.

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  • General contractor in Oshawa

    Hi I am Sancar owner of the Evertrust Construction Inc I provide luxury Deck, Fence, Gazebo, Outdoor Kitchen, Cabana, Pergola, Roof and Garage Services… 7years work experience 5 years work warranty Pro installer for Trex, Timbertech and Tru north composite boards.

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4.9

Top rated general contractors

Our general contractors in Oshawa, are rated 4.9 out of 5 based on 328 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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