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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

    Need a General contractor, Window Contractor, Security specialist and business services, Kitchen Renovation Company, Electrician, Handyman, Landscaping Company, Carpenter, Mason, Excavation Specialist, Metal worker, Pool company, Concrete Specialist, Fences & Gates Specialist, Flooring Contractor, Paving Contractor, Cabinet maker, Plumber, Tiler & Cleaning company based in Oshawa or nearby? S&H Property Maintenance can help you. We pride ourselves on the quality work that we deliver to each and every client. Contact us to talk about your job and get a quote.

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  • 25+years experience! Whether you need a simple faucet installation or complete drain line replacement, we offer a wide range of commercial and residential plumbing services to meet your needs. We continually strive to exceed expectations by ensuring that each client receives the very best service. Domestic Waterline,Drain Repair or Install Backflow Prevention Install & Testing Electrical Hot Water Tank Installs & Drain Snaking.

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  • OUR FREE “IN-HOME” COLOUR CONSULTATION AND SHOPPING SERVICES Over the years, we have recognized that our clients’ have had a difficult time choosing the best colour and we have made it possible to remove the fear from all our clients’ by offering free colour consultations with one of our trained paint-colour experts. We also offer free shopping services with one of our paint-colour experts that will accompany our clients to order the paint. In addition, we can also order the paint from our manufactures. We strive to delivery the best services, so we always provide the latest most talked about design and colours based on the top stagers and designers we have worked with over the years. By doing this we help reduce our clients stress of selecting the best colors for the complete design they are looking for. We Provide Eco-friendly Painting In order to promote the safety of our environment, as well as the safety of our clients and employees, we also use paint products that contain either zero or minute traces of volatile organic compounds(VOCs) and although our painters wear protective masks, paints that contain VOCs can emit their toxins weeks after the paint has dried, affecting you and your family. Benefits to Using Zero or Low VOC Paints: ​ No harsh odours emanate from low VOC paint. Chemicals that form smog are eliminated. More cost-effective than traditional high quality paint Drastic increase in indoor and outdoor air quality Promotes environmental preservation and sustainability UNDERGROUND PARKING GARAGES, ELEVATORS AND WAREHOUSES OFFICE BUILDINGS STORES AND RETAIL INDUSTRIAL BUILDINGS ENTRANCE, SCREEN, AND PATIO DOORS MEDICAL OFFICES RECEPTION AND LOBBIES

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  • R.D.International Contractor is a family owned business based in Mississauga, Ontario. We have been serving the GTA along with the Peel and Durham Region since 1995. R.D. specializes in stucco, basement renovations, home renovations, fake stone, interlocking, washrooms, moulding /crown mouldings. Our nature of work, attention to detail, customer service and capability to schedule and complete projects in a timely fashion is what makes us different from our completion. We value our customers and insure they are beyond ecstatic with their finished project. Your go-to experts!

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    • Best of the Best 2025
    • Best of Awards 2025

    Let Clayson Construction take your stress away from that building project with our efficient, courteous, and responsible crew. We are committed to a quick response and competitive pricing. We have the confidence to get the job done right. Our Services include: Basement Finishing and Renovations Bathroom renovations and repairs Tile work Cabanas and Gazebos Chimney Builders & Repairers Fireplaces and Fireplace Facings Home Improvements Interlock Walkways Pergola Renovations Stonework and Masonry Call us today for a free estimate!

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  • We focus on roofing services in Toronto & GTA. Roof repair, replacement, leak fixing, shingles and flat roofs. Reliable work, fair pricing, and quick response. Free estimates.

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  • General contractor in Oshawa

    From your needs to your wants, we got you covered.

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    • Best of Awards 2025

    About Us – Prestige Home Innovations & Design At Prestige Home Innovations & Design, luxury is built—not imagined. We are a construction-driven firm specializing in high-end custom homes and premium renovations, where precision, craftsmanship, and execution define every project. From ground-up builds to complete transformations, we deliver refined spaces designed to stand the test of time. Builder-Led. Detail-Driven. Our approach is rooted in construction excellence. Every project is led by experienced builders who understand structure, materials, and the importance of flawless execution. Design is never separated from build—each decision is made with performance, longevity, and architectural integrity in mind. A Standard of Excellence Led by Sean D’Aguiar, President & CEO, Prestige Home Innovations & Design brings over 70 years of combined experience in custom home construction, luxury renovations, and project management. We hold ourselves to uncompromising standards, using premium materials, proven building practices, and meticulous attention to detail at every stage of construction. What We Build We specialize in complex, high-value projects requiring experience, coordination, and precision: ✔ Luxury Custom Homes ✔ Full-Scale Home Renovations ✔ High-End Kitchens & Bathrooms ✔ Basement Conversions & Living Spaces ✔ Additions & Structural Expansions ✔ Commercial & Executive Office Builds Why Prestige ✅ **Construction-First Expertise** – Builder-driven projects with no shortcuts ✅ **Luxury Craftsmanship** – Precision framing, premium finishes, and lasting quality ✅ **Tailored Execution** – Every build customized to your vision and lifestyle ✅ **End-to-End Management** – Clear communication, disciplined scheduling, and on-time delivery Building Without Compromise At Prestige Home Innovations & Design, we believe luxury is defined by how something is built—not just how it looks. Our commitment to excellence ensures every home we touch reflects superior craftsmanship, timeless design, and enduring value.

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  • General contractor in Oshawa

    I have been working in general contracting for 20 years, 3rd generation contractor , living and working in durham region, very involved in the community and looking to help people get work done at an affordable price, in a time where things arent to affordable. I gaurentee my work and also treat your home as my own!

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  • General contractor in Oshawa

    Self employed contractor in the Durham area. 25 years experience working with clients to best utilize their budget to make dreams a reality! My expertise is in small to mid sized projects. Kitchen, bath, flooring, painting. A carpenter by trade, I have honed my skills in tile setting, light electrical and plumbing. I work with my client to develop a relationship through considerate communication.

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    • Best of Newly Listed 2022

    We are a full service building maintenance company with over 20+ years of collective experience. Our professional & licensed contractors are available for routine maintenance and renovation work. Contact us for a free quote on kitchen & bathroom work. We do it all, from small jobs to large renovations.

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  • General contractor in Oshawa

    Hi, I’m Randy Scott, the owner and hands behind Handyness. I’m a skilled handyman with over 5 years of experience in a wide range of trades — from carpentry and drywall to plumbing, electrical, painting, and home repairs of all kinds. I take pride in doing quality work, showing up when I say I will, and treating every project like it’s my own home. Whether you need a small repair, a room refreshed, or a bigger job tackled, I’m here to help get it done right — efficiently, neatly, and with care. My goal is simple: to make your home projects easier, stress-free, and done to a standard you can trust. If you’re looking for reliable, friendly help from someone who actually loves what they do — you’ve found the right guy.

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  • General contractor in Oshawa

    I've been renovating and painting for over 30 years and am getting into it full time now. All around indoor and outdoor handyman. Experience in floor to ceiling inside and footing to roof outside. Specialties include: -Flooring. -Floor leveling. - Decks - 2 feet and below at this time. - Wall and ceiling finishing - drywall, trim, doors. - Repair, prime and paint finishing. - Furniture assembly. - Any other odd jobs will be considered. Quality workmanship will always be top of mind --PS I will never one coat a paint job unless it is the same colour as what is on the wall. Looking for projects in and around Durham Region.

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  • General contractor in Oshawa

    Transform your space with clean, precise workmanship you can trust. Whether it’s a fresh coat of paint or new flooring, every job is completed with care, attention to detail, and a focus on long-lasting results. From small residential touch-ups to full room makeovers, the goal is simple: deliver a finish that looks sharp and holds up over time. Services offered: * Interior painting (walls, ceilings, trim, doors) * Flooring installation (laminate, vinyl, hardwood-style, etc.) * Floor prep and repair * Clean, efficient job sites with respect for your home Reliable scheduling, straightforward pricing, and quality work done right the first time. Message today for a quote and availability.

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  • We are a Landscaping company based out of Oshawa, Ontario. we specialize in interlocking and outdoor spaces. We can help bring your walkway or garden plans to life.

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  • General contractor in Oshawa

    I'm a seasoned journeyman cabinet maker with 45 years experience.i have a cabinet shop in bowmanville. Love what I do . attention to detail

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4.9

Top rated general contractors

Our general contractors in Oshawa, are rated 4.9 out of 5 based on 321 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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