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Find general contractors in Ottawa, Ontario

HomeStars connects you with general contractors in Ottawa, Ontario easily and stress-free. No more cold-calling or endless web searches: just post your project on HomeStars and get matched only with available pros. Read real customer reviews, discuss your specific needs, and compare multiple quotes, all in one convenient place.

Some of our top rated general contractors in Ottawa

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  • Excel Building & Roofing

    Rating: 5 out of 5
    General contractor in Ottawa
    • Best of the Best 2025
    • Best of Awards 2026

    At Excel Building & Roofing we are "On top of what matters most" with specialties in residential and commercial roofing and renovations in the Ottawa and surrounding area. As an Ottawa contractor we deliver the best in quality, workmanship and insist the job is done right the first time. With all the chaos that comes with our day to day lives we know that any home project, needed or wanted, can seem both overwhelming and out of reach. At Excel Building & Roofing we are with you every step of the way. Our team has over 25 years combined experience in the field and we are extremely motivated to make a change in the way this city views the construction industry. "A lot of companies are faceless and in it for a quick buck. This isn't just a "job" for us and our clients are not just "another project", this is how we make our living and support our family." Call us picky, but quality is a prerequisite and a bad job is simply unacceptable. We do not rush jobs and choose our materials and team very carefully to ensure it is done right the first time. When you choose Excel you receive: - A Green Company, we recycle 100% of materials removed from your home. - Superior quality and workmanship - Always above standard materials and installation - Constant management - during and after installation inspections - No hidden fees or extras, what we quote you is what you pay. *** Ottawa Roofing experts***

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    Latest review:
    I am extremely satisfied, the work was done as per the date mentioned, the property was cleaned after the work completed . I would recommend Excel Building any time.

  • Valencia Painting

    No reviews yet

    General contractor in Ottawa

    Valencia Painting can help you with your interior painting, exterior painting, install or replace roof, wallpaper room, remove wallpaper, repair kitchen cabinets, decorative painting, repair or transform furniture & small staining or painting project request in Ottawa and its surrounding cities. They’re at your disposal to listen and assist you in all your projects. Get in touch with Valencia Painting now to discuss your needs and arrange a quote.

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  • Moe

    Rating: 5 out of 5
    General contractor in Ottawa

    We offer experienced and affordable services we specialize in painting Mudding sanding drywall tiling and flooring we take our time and make sure your home looks brand new

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    Latest review:
    Repair plaster-
    We are incredibly happy to share with you the work completed by Moe. He was not only professional and efficient, but he also went above and beyond to ensure our project was a success. From the initial consultation to the final cleanup, everything was done with precision and care. We highly recommend Moe to anyone looking for quality and reliability

  • DERBAL HVAC CARE

    New on HomeStars

    General contractor in Ottawa

    Im handy man, qualified and certified HVAC Technician, open to all work in your house

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  • Dream&Styles

    No reviews yet

    General contractor in Ottawa

    Our 20 years of European experience enables us to meet clients' needs at the highest standard, ensuring quality and timely delivery, utilizing European technologies and design!

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  • Joseph Keyrouz

    Rating: 5 out of 5
    General contractor in Ottawa

    Expert Fencing, Flooring, Decking, Concrete, Tile Work & General Home Renovations Quality craftsmanship with over 20 years of experience.

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    Latest review:
    Build or replace decking-
    The job is to keep the existing deck structure and replace both stairs and other broken pieces on the railing. Joseph is the first one respond to me and came to site. I am very happy with his quick response and be able to insert this small job into his schedule very quickly. I am happy with the result too.

  • Everlast home improvements

    No reviews yet

    General contractor in Ottawa

    Welcome to Everlast home improvements in Ottawa. We are registered driveway, masonry and landscaping contractors with over 40 years of experience in laying driveways using asphalt paving, interlock pavers, tar and chip, gravel and more throughout Ottawa. Our contractors provide home improvement services throughout Ottawa, with all work undertaken directly by our highly trained team. We can provide you with various driveway and patio options guaranteed to suit your budget and design choices. Everlast provides affordable and quality driveway installations in Ottawa. Our experienced contractors can replace your old driveway, lay down asphalt paving, repair asphalt, seal coat and more. Along with our driveway work, we provide extensive masonry services in Ottawa that includes building new masonry walling, tuckpointing, chimney repairs, damp proofing, creating decorative front doorsteps, driveway curbing and stucco. Get a FREE quotation today for masonry repairs, driveway renovations or a new garden in Ottawa. We provide a same-day call-out and free quotation service so we can go through your requirements and tailor an unbeatably priced estimate.

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  • Mordern roofing and construction

    No reviews yet

    General contractor in Ottawa

    We are a Modern Roofing & Construction company based in Ottawa For years we have been exceeding your expectations with high-quality works offering roofing, chimney, step repair, basements, foundation and waterproofing solutions to your problems. Quality work is our passion and the main proof of this is our work. We are ready to help you, no matter how big or small your project is. Our team consists of professional & highly experienced roofers and masons who are always ready to collaborate with you and create an amazing and long lasting work that can be enjoyed for decades to come. With a wealth of knowledge and experience, none of your problems will remain without a solution. So we designed a zero-stress process that keeps you in the loop from beginning to end with installation crews that we’d trust to let work on our mother’s home. The key to these accomplishments is combining common sense with technology.

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  • Evan De Melo

    New on HomeStars

    General contractor in Ottawa

    De Melo Carpentry Services is a small carpentry focused construction company that provides the following services: - Small renovations (bathroom, bedroom, kitchen, etc.) - Fence and Deck building - Custom woodworking projects - Framing, Drywall, Plaster, Painting and Trim/Finish Carpentry Tasks. - And much more! We take pride in providing a quality product for a reasonable price, serving the Ottawa area.

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  • Izireno

    No reviews yet

    General contractor in Ottawa

    I’m a general contractor and I’m in the business for more than five years, O can make your idea come true and we guarantee quality work and affordable prices.

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  • Ramazan Yigit

    No reviews yet

    General contractor in Ottawa

    We provide reliable and high-quality renovation services with a focus on detail and customer satisfaction. From small repairs to full remodels, we ensure every project is completed on time and to the highest standards. Your vision is our priority.

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  • Brent

    New on HomeStars

    General contractor in Ottawa

    Independent handyman for small to medium jobs. Over 20 years experience in construction as carpenter (unticketed), renovator flipping houses (10 flips), building and renovating cottages, built one house from ground up in Ottawa, manager of small construction company building custom beach homes in South America, most recently carpenter for commercial construction company in Northern Canada. My many years of varied experience, steadfast reliability, and good communication skills will ensure you are happy with a job well done.

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  • MJ2N company

    No reviews yet

    General contractor in Ottawa

    I am Majolie. I am respectful, responsible and available. Thanks for the opportunity you give me. Sincerely

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  • High Level Exteriors

    Rating: 5 out of 5
    General contractor in Ottawa

    We are a custom design exterior siding company that is family owned and operated here in Ottawa, ON We come as partners with 20 years' experience in the siding and customer service industries, giving you the ultimate home exterior renovation experience. We offer the highest level of quality craftsmanship, extensive product knowledge, exceptional communication and personalized service. We specialize in all types of vinyl and aluminum siding, soffit, fascia and custom flat stock trims. We also offer a diverse range of premium materials such as James Hardie products, Cedar Renditions and many others. By offering these products in addition to the more commonly chosen vinyl and aluminum siding, we have everything you need to make your home stand out among the rest! Serving the Ottawa and surrounding areas, we are fully insured and up to date with the latest building and envelope codes to guarantee a long lasting installation of your investment.

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    Latest review:
    Replace or repair fascia boards, groove boards or bargeboards-
    Brian was very easy to deal with. He gave me an honest quote and the job was done quickly. It looks great! Thanks!

  • Eastview Services

    No reviews yet

    General contractor in Ottawa

    Eastview Services

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  • Dupuis General Contracting

    Rating: 5 out of 5
    General contractor in Ottawa

    Hi, my name is Jack and I am a general contractor based in Ottawa, specializing in painting and drywall repair. While I officially launched my business in January 2023, I bring over a decade of hands-on experience in both commercial and residential contracting. My goal is simple: to make sure every job is done right—with care, precision, and lasting results. My skill set is broad and includes drywall repair, interior, exterior, and commercial painting, deck building, minor landscaping, concrete work, framing, and more. Whether it's a small repair or a larger renovation, I treat each project with the same level of commitment and attention to detail. If you’re looking for reliable workmanship and someone who genuinely takes pride in the finished product, I’d be happy to help bring your project to life.

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4.9

Top rated general contractors

Our general contractors in Ottawa, are rated 4.9 out of 5 based on 69 reviews from homeowners like you.

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What services are offered by Ottawa general contractors?

Home renovation and construction projects in Ottawa often involve coordinating multiple trades, permits, and inspections. General contractors help manage this process by organizing work schedules, sourcing materials, and ensuring projects follow the Ontario Building Code and the City of Ottawa’s building and renovating regulations across neighbourhoods ranging from The Glebe and Alta Vista to growing communities like Kanata and Barrhaven.

Here are some general contractor services that are commonly requested in Ottawa:

  • Home additions and layout reconfigurations: Expanding kitchens, adding extra storeys, or opening interior layouts is common in neighbourhoods where homeowners upgrade existing properties rather than relocate.

  • Basement finishing and secondary dwelling units: Many Ottawa homeowners convert basements into rental suites, home offices, or recreation areas, subject to local zoning and permit requirements.

  • Custom home construction and rebuilds: In areas such as Westboro or parts of Old Ottawa South, older houses are sometimes replaced with newly built homes that better suit modern layouts and energy efficiency standards.

  • Energy efficiency upgrades and exterior improvements: Window replacements, insulation upgrades, siding, roofing, and drainage improvements are frequent projects due to Ottawa’s cold winters and seasonal temperature changes.

HomeStars matches you with general contractors near you who are available to take on your project. To get started, it’s easy: just post your project on HomeStars and local Ottawa general contractors will register their interest.

If your project focuses on one room of the house, you can also find Ottawa-based kitchen renovation companies and specialists in bathroom renovations on the platform as well.

What makes hiring a general contractor in Ottawa, Ontario unique?

Hiring a general contractor in Ottawa comes with city-specific considerations that are not always relevant elsewhere. The city’s mix of historic and suburban neighbourhoods and its location at the crossing of two waterways make for unique planning and processes in construction and renovation projects.

Here are some factors that general contractors in Ottawa need to consider:

  • Historic and heritage homes: Many older neighbourhoods (e.g., Sandy Hill, the Glebe, Old Ottawa South) have century‑old homes requiring careful planning for renovations, including heritage approvals for exterior work.
  • Waterways and flood‑prone areas: Proximity to the Rideau Canal, Ottawa River, and other local waterways can affect grading, drainage, and foundation design.
  • Soil and winter conditions: Ottawa’s clay‑heavy soils and freeze‑thaw cycles impact foundations, concrete work, and exterior installations.

Find a general contractor in in Ottawa with HomeStars

With HomeStars, you can skip the cold-calling and hours of research by using our one-stop-shop platform. You’ll be able to find available, verified professionals who have reviews to back up their work. Here’s how to find and hire Ottawa general contractors on HomeStars:

  1. Start by posting your project on HomeStars. Provide a clear description of your general contractor project and, if possible, include photos to get precise quotes.
  2. Receive interest from available pros, review work history, and read customer feedback for general contractors in Ottawa.
  3. Connect with general contractor professionals in Ottawa to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

All Ottawa pros, including general contractors, who register with our platform undergo verification, including checks of ID and company details, so you can hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

What is the average cost of hiring a general contractor in Ottawa, Ontario?

Costs for general contractors in Ottawa can include a variety of factors, including labour, materials, permits, and equipment. Hourly rates generally fall between 60 and $145 and depend on the contractor’s experience, service type, and the complexity of the project.

Below are some typical costs for common Ottawa general contractor projects:

  • Home additions and layout reconfigurations: $210 to $320 per sq. ft., influenced by structural changes, foundation adjustments, and finish selections.
  • Basement renovations and secondary dwelling units: $50,000 to $100,000+, based on layout, plumbing, electrical work, and whether a kitchen or bathroom is included.
  • Custom home construction and rebuilds: *$275 to $425 per sq. ft., shaped by design details, lot conditions, and materials.
  • Energy efficiency upgrades and exterior improvements: $15,000 to $65,000+, depending on scope, materials, and structural requirements for windows, siding, roofing, or drainage improvements. This can include home energy audit costs to guide choices.

HomeStars Tip: We always recommend having an open discussion with your Ottawa general contractor about specific services included and pricing and that everything be detailed in a written quote. This supports clear communication and helps avoid misunderstandings.

What to ask an Ottawa, Ontario general contractor before hiring?

When deciding whether to hire a general contractor in Ottawa, asking a few questions can help you decide whether they’re the right fit for your project.

What types of projects do you usually handle?

A general contractor in Ottawa should be able to outline the types of projects they specialize in, such as home renovations, new builds, or commercial construction.

Have you completed projects in my neighbourhood or with similar home types?

Knowledge of Ottawa’s neighbourhoods and property types can help contractors plan for local challenges, such as century‑old homes in Westboro or Sandy Hill, compact lots in urban infill areas, or multi-unit townhomes and condos. Many contractors share their past projects on their HomeStars profiles.

Are you insured in Ontario and covered by WSIB?

Contractors working in Ottawa should carry liability insurance and maintain Workplace Safety and Insurance Board coverage to protect homeowners and workers.

Will you handle City of Ottawa permits and inspections?

Many renovations and additions require permits. Confirm who is responsible for applications and booking inspections.

Who will manage the project on-site, and how will communication work?

A building contractor generally assigns a dedicated foreperson or project manager to coordinate all aspects of the work, including supervising subcontractors and scheduling inspections. Clarify who will coordinate trades, schedule inspections, and provide updates so you know how information will be shared.

What warranties apply to workmanship and materials?

Understanding warranty terms and the process for resolving deficiencies protects your investment after completion.

FAQ: Common questions about general contractor services in Ottawa, Ontario

When should I hire a general contractor?

Hiring an Ottawa 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. HomeStars helps speed up the process of finding a general contractor, helping you get a head start on your project.

Do general contractors offer design advice or planning support?

Many Ottawa general contractors provide guidance on layouts, space planning, and material choices. They can help translate your ideas into workable plans, coordinate with trades, and suggest solutions that meet municipal code requirements.

How might living near Ottawa’s waterways affect my general contracting needs?

Homes near the Ottawa River or Rideau Canal may require extra attention to drainage, flood prevention, and soil stability. Contractors can plan foundation work, grading, and landscaping to minimize water-related issues and ensure long-term performance.

How can I find help in selecting energy-efficient materials that are suitable for my Ottawa home?

Ottawa contractors can recommend insulation, windows, HVAC systems, and other energy-saving upgrades suited to local climate conditions. A pre-renovation home inspection can identify areas that would benefit most from improvements, and you can easily find home inspectors on HomeStars to guide these recommendations.

Do general contractors in Ottawa handle cleanup after the project?

Most residential general contractors in Ottawa include site cleanup as part of their service, removing debris and ensuring work areas are safe once the project is complete. Always confirm with your contractor what level of cleanup is included.

When is the busiest construction season in Ottawa?

Construction in Ottawa is busiest from late spring to early fall, when weather conditions are most favourable for exterior work. Scheduling trades and municipal inspections can take longer during these months, so using HomeStars to connect with local contractors helps secure availability and plan your project ahead of peak season.

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