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Deck contractors in Thornhill, Ontario

HomeStars makes it easy and straightforward to find deck contractors in Thornhill, Ontario. Post your job or browse our directory of specialists, and see how easy it is to connect with deck construction contractors. You can explore their past work history, browse homeowner feedback, compare quotes, and select the right match for your project.

A deck contractor wearing grey gloves measures wooden planks while building a deck.

Some of our top rated deck contractors in Thornhill, Ontario

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  • Caspian Development Group Corp

    Rating: 5 out of 5
    Deck contractor in Thornhill, Ontario
    • Best of the Best 2025
    • Best of Awards 2026

    Check Our Instagram @caspiandevelopmentgroupcorp For more than 20 years, Caspian Development Group Corp has turned visions into dreams. Our professionals work closely with clients to capture details and facilitate with design, construction and maintenance of homes and commercial spaces. Check our instagram portfolio @caspiandevelopmentgroupcorp for daily videos and content!! Don’t miss out on our Spring promotions!

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    Latest review:
    Build or replace decking-
    Really great job done by Payam and Mahsa and their team. Knowledgeable and great worksmanship. Thank you!!

  • GEO INC

    No reviews yet

    Deck contractor in Thornhill, Ontario

    We are dedicated professionals specializing in house framing for custom homes and high-quality renovations. With years of experience in the industry, we take pride in building strong, reliable structures that serve as the foundation for beautiful homes. Whether you're constructing a custom home from the ground up or adding an extension, our framing expertise ensures precision and durability every step of the way. In addition to new builds, we offer a full range of renovation services tailored to enhance both the form and function of your space. From full-home remodels and restorations to kitchens, bathrooms, basements, decks, and fences—we handle it all. We’re equipped to work efficiently in occupied, fully operational homes, minimizing disruption while delivering exceptional results. Every project, big or small, is approached with the same level of commitment and care. We listen closely, work collaboratively, and bring your vision to life with craftsmanship you can count on.

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  • Parthian's construction

    No reviews yet

    Deck contractor in Thornhill, Ontario

    I am construction manager and bachelor's degree architect with more than five years experience in construction industry in Canada.

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  • No name

    No reviews yet

    Deck contractor in Thornhill, Ontario

    I’m a cabinet maker and instaler and have licensed electrition

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  • Yaroslav Oreshkevych

    No reviews yet

    Deck contractor in Thornhill, Ontario

    We are a small team of handymen specializing in interior renovation work. We improve and refresh residential and commercial spaces, working carefully, on time, and with attention to detail. We also help prepare properties for sale or rent.

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  • MR HOMES DESIGN & BUILD

    No reviews yet

    Deck contractor in Thornhill, Ontario

    MR Homes Design & Build Inc. is a Toronto-based residential construction company specializing in custom homes, additions, extensions, framing, and full low-rise building solutions across the GTA. We handle every stage of the construction process—from pre-construction planning and design support to structural framing, project management, and final delivery. Our team brings years of hands-on experience in low-rise residential construction, backed by a strong background in Ontario Building Code compliance, site coordination, and high-quality craftsmanship. We work closely with homeowners, developers, and general contractors to provide dependable, efficient, and detail-driven building services. With a focus on structural integrity, smart scheduling, and clean execution, MR Homes Design & Build delivers projects that are built right the first time. Whether it’s a custom home, a major addition, or a framing package for a multi-unit development, we bring a professional, reliable, and solutions-oriented approach to every job.

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  • M.KHandysolutions

    No reviews yet

    Deck contractor in Thornhill, Ontario

    With over 10 years of hands-on experience as a handyman, I take pride in delivering high-quality work you can trust. I am reliable, punctual, and fully equipped to handle a wide range of home repair, maintenance, and improvement tasks. Whether it’s repairs, installations, or general fixes, I’m committed to getting the job done right — on time and at a fair price. Your satisfaction is my top priority.

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  • Proterwork

    No reviews yet

    Deck contractor in Thornhill, Ontario

    We specialize in installing wooden fences and pergolas across the Greater Toronto Area (GTA). With attention to detail and high-quality finishes, we ensure every project is completed to perfection. Clients choose us for our reliability with timelines, fair pricing, and dedication. We are passionate about woodworking, which shows in every fence, deck, or pergola we build. If you want a durable, beautiful, and professional outdoor space, we are the team you can trust.

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  • Arpa Construction

    Rating: 5 out of 5
    Deck contractor in Thornhill, Ontario

    I have been working in landscaping and during this I have developed strong experience and confidence in the work I do. Even though I am young, I always approach my work with professionalism, responsibility, and attention to detail. I care about both my clients and my own reputation, which is why I always focus on delivering the best possible results. My goal is to provide high-quality work that makes customers happy while also offering fair and honest service. I take pride in every job I do and always aim to improve outdoor spaces in a way that is clean, efficient, and built to last. When you work with me, you can expect reliability, hard work, and a commitment to doing the job right.

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    Latest review:
    Install fence-
    Very polite and professional. They walked me through the plan for our deck and fence, helping me decide on design. There were a few surprised with the current retaining wall, but they always found solutions. I'm very impressed with the finished product and most importantly, the stayed on budget! 10/10 would hire again.

  • Working carpentry and renovation

    No reviews yet

    Deck contractor in Thornhill, Ontario

    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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  • Pro Quality Painting and Repair

    Rating: 5 out of 5
    Deck contractor in Thornhill, Ontario
    • Best of Awards 2026

    Pro Quality is here for all your painting needs weather it be interior, exterior, commercial or residential we are here to ensure you get the job done right.

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    Latest review:
    Remove wallpaper-
    These guys were easy to work with and communicated clearly - work was done fast and very well!

  • Kronos Construction Management

    Rating: 5 out of 5
    Deck contractor in Thornhill, Ontario

    We are a maintenance and renovation contractor. We pride ourselves on being on-time and on budget. Let’s start a conversation about your renovation needs.

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    Latest review:
    The team at Kronos Construction Management did a fantastic job on our master bathroom! They worked hard and got it done as promised on time and on budget. Everything looks great, and we really like our bathroom. We will definitely be using them for any future home improvements. Thank you for the quality work!

  • Mns Carpentry

    No reviews yet

    Deck contractor in Thornhill, Ontario

    Hi! My name is Maks, and I am the owner of "M&S Carpentry." I have experience in the carpentry industry and specialize in creating wooden structures such as decks, sheds, and other building projects. I focus on providing high-quality services, always prioritizing my clients' needs and ensuring timely completion of the work. My goal is to create safe, aesthetic, and durable constructions that meet the client's requirements. I strive to build strong relationships with every client and am always happy to help with any project, big or small. If you're looking for a professional carpenter, I would be delighted to take on your job!

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  • Mbn

    New on HomeStars

    Deck contractor in Thornhill, Ontario

    Flooring Installer Skilled in installing, repairing, and finishing floors Specialist – Experienced with hardwood, laminate, vinyl, and tile. Professional Floor Installer Providing high-quality flooring solutions. Contractor – Reliable service for residential and commercial projects. commercial & residential

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  • General Construction

    No reviews yet

    Deck contractor in Thornhill, Ontario

    I am Civil Engineer Student at Seneca doing 3 year advanced diploma, I had a Canadian experience in construction and landscaping

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  • Prime Trades

    Rating: 5 out of 5
    Deck contractor in Thornhill, Ontario

    Prime Trades Company takes the stress out of moving by providing reliable, efficient, and friendly support every step of the way. From careful packing to heavy lifting and transport assistance, we handle your belongings with the utmost care. Customers trust us for our punctuality, attention to detail, and commitment to making every move smooth and worry‑free.

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    Latest review:
    Large item moving service (furniture, piano, vehicles, etc.)-
    Steven was fantastic, great communicator, punctual and friendly. Would highly recommend!

4.9

Top rated Deck contractors

Our Deck contractors in Thornhill, Ontario, are rated 4.9 out of 5 based on 66 reviews from homeowners like you.

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What types of services do deck contractors in Thornhill, Ontario offer?

Whether you need a completely new deck or simply some maintenance, deck contractors in Thornhill, Ontario provide a variety of services designed to enhance your outdoor living space. Here's a breakdown of the common services they offer:

  • Deck Installation: Constructing new decks from scratch, tailored to your space and preferences.

  • Deck Repair: Fixing structural damages, replacing worn-out boards, or addressing other repair needs.

  • Deck Extension: Expanding existing decks to accommodate more space or additional features.

  • Custom Design Services: Developing unique designs that complement your home and meet specific requirements.

  • Deck Refinishing: Sanding, sealing, and staining existing decks to restore their appearance and protect the wood.

  • Deck Cleaning: Power washing and cleaning to remove dirt, moss, and debris, maintaining the deck's beauty.

HomeStars tip: For optimal results, consider scheduling a professional deck cleaning or refinishing annually. This helps maintain the deck's appearance and longevity, ensuring you enjoy your outdoor area year-round.

With HomeStars, it’s easy to find deck contractors in Thornhill, Ontario. Post your project today and available pros will get in touch to discuss timelines, quotes, and your specific needs.

What costs can I expect when working with deck contractors in Thornhill, Ontario?

Generally, the average pricing for deck projects includes both materials and labor. Deck contractors typically charge either by the hour or per square meter. Hourly rates can range from $50 to $75, while the cost per square meter could be $250 to $500, depending on the materials used and the complexity of the design.

Here are some common costs that come up when working with deck contractors in Thornhill, Ontario:

  • Material Selection: The type of material you choose can significantly impact the cost.
  • Deck Size and Design: Larger decks or intricate designs generally increase costs due to additional materials and labor.
  • Permits and Inspections: In some cases, permits and undergoing inspections may be required. Ask if associated fees are included in your contractor’s rates.
  • Labor Costs: More complex jobs may require specialized skills, which can affect labor costs.

Different projects will entail different costs. For example, if you’re thinking about building a new deck, consider checking our price guide for deck building labour costs to get a clearer picture of what to expect financially for your deck project.

Find deck contractors in Thornhill, Ontario through HomeStars

Hiring a deck contractor in Thornhill, Ontario is simple with HomeStars. It offers several advantages, including the ability to compare quotes, read real customer reviews, and review past work.

How to find deck contractors in Thornhill, Ontario on HomeStars:

  1. Start by posting your project. Provide a clear description of your deck project and, if possible, include photos to get precise quotes.
  2. Receive offers from available pros, review work history and customer feedback, and compare profiles and quotes for deck contractors in Thornhill, Ontario.
  3. Connect with a deck contractor in Thornhill, Ontario to discuss your project, request 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 tradespeople are rewarded for good work and held accountable for any problems.

Did you know? All deck construction contractors in Thornhill, Ontario who register with our platform undergo verification, including ID and company checks, so you can hire with confidence.

Checklist for choosing the right deck contractor in Thornhill, Ontario

Getting to know a deck contractor’s experience in Thornhill, Ontario and checking their licensing, certifications, and insurance coverage are great ways to start off your project. Here’s a list of things to look for:

  • Insurance and coverage: Confirm the deck contractor carries valid general liability insurance and workers’ compensation coverage, such as WSIB in Ontario or a provincial equivalent, to protect against property damage or on site injuries.

  • Licensing and business registration: Check that the contractor holds a valid municipal or provincial business licence to perform deck or structural construction work in Thornhill, Ontario.

  • Trade certifications: Look for carpentry qualifications such as a journeyperson carpenter certification or Red Seal endorsement, which demonstrate verified training in structural framing and residential construction.

  • Permits and code compliance: Ask whether the deck contractor handles building permits and inspections and is familiar with local building codes, especially for elevated, attached, or multi level decks.

  • Previous deck experience: Review past projects and customer reviews to confirm experience with your type of deck, whether pressure treated wood, cedar, composite, or PVC.

  • Professional approach and pricing: Assess communication, timelines, and pricing transparency during initial consultations to avoid unexpected costs once the project begins.

Here are some questions you can ask deck contractors in Thornhill, Ontario:

  • What is your experience in handling deck construction projects similar to mine?
  • Can you provide references from previous clients in Thornhill, Ontario or nearby?
  • Are you aware of the local permit and regulatory requirements for deck construction in Thornhill, Ontario and do you handle applying for permits?
  • Will you provide a detailed written contract that includes scope of work, materials, timeline, and payment terms?

Considerations for deck contractors in Thornhill, Ontario

Deck projects in Thornhill, Ontario are influenced by local climate conditions, building requirements, and both municipal and national regulations:

Local climate affects how your deck is built: Factors like snow load, temperature changes, and moisture exposure influence everything from structural framing to material selection, and should be accounted for early in the planning process.

Both national and municipal regulations apply: In addition to the requirements set out by the National Building Code of Canada, many municipalities also regulate deck height, placement, and attachment to the home, which can trigger permit and inspection requirements before construction begins.

Meeting these standards helps ensure your deck is structurally sound, properly supported, and equipped with required safety features like railings and stairs.

Local expertise takes the guesswork out of the process: Working with a deck contractor who is already familiar with the requirements and conditions in Thornhill, Ontario means fewer surprises and greater confidence that your project will be completed safely and to standard.

FAQ: Common questions about deck contractors in Thornhill, Ontario

How often should I refresh my deck?

It’s generally recommended to refresh or refinish your deck every two to three years. This involves cleaning, sanding, and applying a new coat of stain or sealant. Climate can influence this timeline; regions with harsh winters or intense sun may require more frequent maintenance.

If I need a permit, will the deck contractor handle the administrative process?

Many deck contractors offer to handle the administrative process for acquiring necessary permits for your project. It's beneficial to discuss this with your contractor during the initial consultation to clarify if this service is included and if there are any additional costs. Hiring a pro who manages the permitting process can save you time and ensure compliance with local regulations.

How do I pick materials for deck construction in Thornhill, Ontario?

Choosing the right materials for your deck depends on several factors, including climate, budget, and aesthetic preferences. In regions like Thornhill, Ontario, where weather conditions may vary, selecting materials like composite decking can reduce maintenance while offering durability. Alternatively, quality woods such as cedar or redwood provide a classic look but may require more upkeep.

Can deck contractors also help with porches?

Yes, many deck contractors also provide services for building and renovating porches. Whether you're looking to add a new porch or update an existing one, a deck specialist can offer design ideas and construction expertise. Hiring a pro with experience in both decks and porches can ensure cohesive design and functionality throughout your outdoor spaces.

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