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Citywide Post Hole Digging
- Quality
- Questions
- Crew
“Had 15 posts installed of different sizes and they were very efficient in getting everything done and I went out to check the alignment and they were set up very well.”
Best Deck Builders in Thornhill, ON
24 companies listed · 4 in Thornhill · 2 open 24/7 · 20 open weekends · 21 rated 4.5+
Data verified October 18, 2026
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Hrc Group
“They treated the customer(us) with courtesy and listened to our concerns and requests, and always attempted to find a solution to new issues which inevitably arise in an extensive renovation of an older home”
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NUI Remodeling & Construction Thornhill
- Kitchen
- Attention
“While we work with several kitchen and bath design professionals on a daily basis, NUI Remodeling & Construction Thornhill stands out from the others due to their professionalism, attention to detail, and their ability to provide their clients with a...”
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Vinyl Decks Toronto
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Super Decks Toronto
- Questions
- Ipe
- Team
“I dealt with Robert during the consultation and design process and I have to say he made everything go so smoothly and efficiently right from the beginning.”
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Proper Construction Inc.
- Backyard
- Digging
- Team
“Each hole was plagued with obstructions - rocks, roots and old concrete, but they persevered and managed to complete the job a few hours longer than expected.”
Listed for homeowners in and around Thornhill, ON, these 24 companies build and repair decks, where footing depth and snow are part of every design. Listings reflect what each company publishes itself, and the ratings and comments are taken from public reviews.
Area overview: Thornhill, ON
4 of the 24 companies we list are based in Thornhill; the other 20 serve Thornhill from towns including Concord, Aurora and Etobicoke. 23 of the companies on this page have a rating, from 4.0 to 5.0 across 1,807 reviews; 17 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (91%) and responsiveness (77%). The topics that come up most in reviews of the companies on this page are "estimates", "price" and "efficient". 2 are open around the clock; 19 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are decks (5), fences (5), interlocking (3), railing (3) and retaining walls (3). 3 show a licence on their websites. 7 have ten or more years of experience, the longest 15 years. 2 offer emergency call-outs; 14 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 23 of the companies on this page; 23 publish a contact page and 20 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do these deck builders say they are licensed?
3 of the 24 companies on this page show a licence on their websites. Confirm it with the municipality that issues it, and ask who applies for the building permit and who meets the inspector at footing and framing stage. That responsibility belongs in the contract.
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Action Home Services
- Estimate
- Quote
- Driveway
“Within minutes, I received a call from one of their representatives who asked me a few more questions about my pool and scheduled a visit for a free estimate.”
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Luke's Landscaping
- Fence
- Patio
- Snow Removal
“They were responsive throughout the job, from scoping out the work in person to providing a quote to scheduling the job to advising me they were on the way.”
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Decks Toronto
- Decisions
- Team
- Delivery
“Service was first-rate from the initial visit to review product selection to the detailed quotes received to the delivery of product to the refund of unused product.”
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4ever Green Landscaping Services Ltd
- Tree
- Backyard
- Professional
“The quality of their work exceeded my expectations, with a flawless finish that perfectly matched my vision, and they ensured the site was clean after completion.”
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Top Quality Decks and Fences
- Project
- Work
- Sheldon
“Despite it being a smaller job, his customer service was phenomenal, the pricing was extremely fair, and the quality of work could not have been better.”
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Deckcrew.ca
- Cedar
- Quote
- Fence
“Our neighbour had a great experience using Alex and his team for a project last year that we decided to use them collectively again for a cedar fence installation.”
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GTA Landscaping Vaughan
- Efficient
- Driveway
- Job
“I submitted a quote request for a deck repair (rotting wood boards and foundation restrengthening) on Homestars to which GTA Landscaping was quick to respond.”
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Maple Exteriors INC
- Design
- Team
- Price
“I was present the whole time and saw how they suspected that the railing support was weak, investigated further, and found the problem where the wood base support used by the builder had been made of substandard material and had rotted”
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Skyscapes Outdoor Flooring & Decor
- Weather
- Winter
- Condo
“Thank you to Blair for setting us up, Avery for the service during the install, and especially Mani, Love, Eduardo and Ritesh for the AMAZING work that you did!”
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Royal Innovation Deck Builder
- Innovations
- Cost
- Team
“Adam and his team took on the most unenvied job of removing 12,000 ft of IPE, reconfiguring the design and then reinstalling as per manufacturers instructions.”
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Toronca Fences and Decks Inc.
- Property
- Backyard
- Professional
“Very good fence and composite deck installers despite the pandemic and high demand, everything went smoothly once construction started, they always answer their phone and my backyard looks amazing.”
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Green Side Up Contracting Inc
- Work
- Questions
- Fence
“90% of the people doing this work we're super high pressure salesmen, wanted me to put 50-100% of the cost down upfront, and wouldn't even guarantee timing for their projects.”
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Artech Landscaping & Construction Ltd
- Grading
- Driveway
- Company
“We recently used Artech to completely redo our backyard, which included a large fence, concrete pad, sod and gravel installations, as well as rebuilding an old stone wall.”
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Precision Landscaping
- Result
- Work
- Backyard
“As a landscape contractor, Precision Landscaping Services exceeded all expectations, turning my visions into reality with professionalism and creativity.”
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GTA Decks
- Drawings
- Backyard
- Team
“From the beginning Serge was a pleasure to work with and spent the time designing the entire deck and landscaping layout for us that would suit our needs.”
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Maximum Landscaping Services
- Property
- Snow Removal
- Fence
“We have an older property, so we had existing chain-link fencing with about a billion cedar trees lining the property, so the work needed to be done is more extensive than that of a new property.”
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Demex Decks
- Permit
- Questions
- Team
“They were up front with what to expect, answered all of our questions and accommodated our requests, and worked through rain, snow, and sun to get the job done.”
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D&B Landscape Solutions Inc
- Front Yard
- Contractor
- Job
“Sam and his team installed a six foot wide walkway at the front of our house which wrapped around the one side of the house and linked to our back patio.”
Deck Building Services in Thornhill, ON Cost Estimates
Minimum cost
$1941
Maximum cost
$22260
National Average
$8307
$4695
$12016
Fair price range is based on 372 cost profiles
Why these companies made our list
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