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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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  • We are an award-winning interior design company in Bangladesh & Canada. We work for both residential and commercial projects. This is an interior design solution and consultant, execution and renovations, any kind of repairs and new project execution are done. From design solutions to lessons, everything is done beautifully.

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  • General contractor in Oshawa

    Gecko HVAC is a trusted heating and cooling company serving homeowners and businesses across the Greater Toronto Area. We specialize in professional installation, repair, and maintenance of air conditioners, furnaces, heat pumps, and indoor air quality systems. Our licensed and insured technicians focus on doing the job right the first time — delivering reliable comfort, honest recommendations, and transparent pricing with no surprises. Whether you need a quick repair, seasonal maintenance, or a full system upgrade, we’re here to help you stay comfortable year-round. ✔ Licensed & Insured ✔ Fast & Reliable Service ✔ Serving the GTA

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  • General contractor in Oshawa
    • Best of the Best 2025
    • Best of Awards 2026

    SealAll – GTA’s Trusted Paver, Concrete & Interlock Specialists With 25+ years of experience, SealAll provides professional driveway, patio, and walkway restoration for both residential and commercial properties. Our services include pressure washing, power washing, Interlock Sealing interlock Repair, Stamped concrete sealing, concrete sealing & color restoration,, interlocking paver installation & repair, polymeric sand installation, asphalt sealcoating, and natural stone cleaning & sealing. We proudly serve Toronto, Richmond Hill, Brampton, Vaughan, Markham, Mississauga, Pickering, Ajax, Newmarket, Barrie, and surrounding GTA areas. Keep your surfaces beautiful, safe, and long-lasting. Contact us today for a free estimate!

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  • General contractor in Oshawa

    At Cladding Group Inc, we specialize in providing high-quality siding solutions designed to protect, enhance, and transform homes. With so many years of experience in the siding industry, we understand the importance of durable, weather-resistant exteriors that also add to your home’s beauty and value. Why Choose Us? • High-quality materials built to withstand the elements • Experienced and skilled installation experts • A commitment to customer satisfaction • Free consultations and custom siding options tailored to your needs Your home deserves the best. Let us help you achieve it.

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  • General contractor in Oshawa

    Residential Outdoor Property Services We provide complete exterior home solutions including concrete work, interlock paving, yard renovation, landscaping and seasonal snow removal service. We serve Newmarket, Aurora, Markham, Scarborough, north York and surrounding York Region area. All work is fully insured. On‑site free quotation upon request.

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  • General contractor in Oshawa

    We mainly build custom homes also manage all sorts of major renovations.

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  • General contractor in Oshawa

    I am a reliable and detail-oriented professional who takes pride in delivering high-quality work and maintaining strong communication throughout every project. I have over 12 years of experience in the trade, including drywall installation, framing, taping, plastering, and painting. I approach every task with organization, accountability, and a solutions-focused mindset. I work well independently, manage my time effectively, and remain adaptable when priorities shift. My goal in any contract role is to contribute value, meet deadlines consistently, and maintain a professional standard that reflects well on the teams and clients I work with.

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    • Best of the Best 2025
    • Best of Awards 2026

    For FAST and AFFORDABLE service phone call only . Award Plus Plumbing plumbers work very hard to bring exceptional customer service that guarantees your satisfaction - it’s our number one priority. You can depend on our professional plumbing technicians that will provide you with a right solution to solve any problems. We are dedicated to your satisfaction and get the job done right. Your safety comes first - we care about your safety, comfort and peace of mind. When there is an emergency, you don’t want to deal with an unprofessional and unpleasant person when you call for help. And the last thing that you don’t need is to wait. We assure you the person that will greet you on the phone will take care of you and ensure you get our professional plumbing technician right away. If you prefer to hire a professional plumber that can fix your problem and whose priority is respecting you and your home, then Award Plus Plumbing is the number 1 choice with over 25 years of experience.

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  • Welcome to Arthuas Millwork. We're proudly serving the Toronto area! Superior Service ARTHAUS Millwork manufacture custom millwork for the Residential, business and corporate sector. Our skilled cabinet makers, estimators, and dedicated management team are committed to providing our customers with a high quality product. Premium Quality At ARTHAUS our goal and vision is to provide excellence in craftsmanship and value. We manufacture custom wood and laminate premium products including residential cabinets and vanities, reception desks, wall and ceiling panels, credenzas, cabinetry, doors, and door frames. Custom Manufacturing ARTHAUS Millwork with almost 20,000 square feet of manufacturing & warehousing space, Trend has the capability, dependability & more importantly the flexibility to successfully complete any type of millwork project throughout Canada. Superior Support With top class support we striving to meet all the new challenges that are presenting themselves in an ever-changing landscape. It is our goal to not only meet the ever-present challenges but also excel beyond them, in order to provide our clients with the satisfaction and peace of mind. Contact us today to schedule your appointment. Visit us on our Instagram page: https://www.instagram.com/arthaus.q/

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  • General contractor in Oshawa

    Hi, I'm Chris, a professional deck builder dedicated to helping homeowners create beautiful, functional outdoor spaces. Whether you're dreaming of a cozy backyard retreat or a spacious area for entertaining, I bring quality craftsmanship, attention to detail, and a commitment to customer satisfaction to every project. Why Choose Me? Experience You Can Trust: With 10 of hands-on experience, I know how to build decks that are not only visually appealing but built to last. Custom Designs: Every home is different—your deck should be too. I work with you to create a design that fits your lifestyle and budget. Quality Materials: I use only high-quality, weather-resistant materials to ensure your deck stays strong and looks great for years to come. Clear Communication: From the first consultation to the final board, I keep you informed and involved every step of the way. Let’s build something great together. Contact me today for a free estimate!

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  • General contractor in Oshawa

    I can handle drywall and frame jobs. I can go on with the blueprint too. Öy professional is metal frame but I can handle the carpenter type too.

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  • We are a local family-run business with roots in the Stouffville area going back multiple generations, offering recurring home cleaning, deep cleaning, and move-in or move-out cleaning with clear communication and an easy quote process.

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  • Family owned and operated business established in 1996. We perform: masonry and brick repairs, roof related issues Why Choose Us WE ARE PROFESSIONALS We have a proven record of accomplishment and are a reputable company in Canada. HONEST AND DEPENDABLE For us, honesty is the only policy and we strive to complete all projects with integrity. WE ARE GOOD TIMEKEEPERS We commit ourselves to complete all projects within the timeline set with our clients. restorations Insurance Claims, both residential and commercial services in York Region and the GTA. We are fully Insured and WSIB Covered.

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  • General contractor in Oshawa

    We provide professional handyman and renovation services with a strong commitment to quality workmanship, safety, and ethical standards. Every project large or small is completed with attention to detail, clear communication, and respect for your home and time. Our services include sprinkler and irrigation system installation and maintenance home renovations, electrical work, landscaping, snow removal and. We follow industry best practices and applicable codes to ensure reliable, long-lasting results. We take pride in being honest, dependable, and customer-focused, offering practical solutions and transparent pricing. Our goal is to build lasting relationships through trust, professionalism, and friendly service from start to finish.

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    • Best of Awards 2026
    • Best of Newly Listed 2024

    We as Wolf Pack Painting bring creativity and color to people’s lives by transforming their spaces, enhancing aesthetics, and contributing to a more captivating, inspiring environment. Offering the best quality work with multiple services within the interior and exterior painting/staining sector With a highly experienced team, we as a Wolf Pack have high standards for each other such as - Caring about the experience with our clients. Without giving you guys a great experience. We wouldn’t be a great company. That’s why we aim to provide a smooth transformation with transparent communication being at the top of our priorities. - staying up to date with new products and technology is of highest priority. offering paints with zero VOC to make you feel safe in your home. - We get done 100% of the jobs we start, within the time frame that we’ve agreed upon. Efficient and timely is important to our values as part of the Wolf Pack. - Wolf Pack Paintings goal is to make you feel safe while we are in your home. How do we do that you ask? By Being fully insured with WSIB and business insurance.

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4.9

Top rated general contractors

Our general contractors in Oshawa, are rated 4.9 out of 5 based on 504 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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