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Buildingbybri Handyman & Tree Services
- Property
- Backyard
- Team
“Very thorough in terms of understanding requirements with a "measure twice, cut once" approach and Brian provides a good consultation before starting any project.”
Best Deck Builders in Ajax, ON
24 companies listed · 5 in Ajax · 1 open 24/7 · 16 open weekends · 21 rated 4.5+
Data verified October 21, 2026
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Gray's Deck & Fence
- Quality
- Porch
- Company
“His team was a pleasure to work with, and I would 100% recommend him for anyone looking to get their deck done, with quality workmanship and at a reasonable price.”
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Mr General Contractors & Renovations Durham
“After a terrible experience with a different company, we were left with a half-completed renovation job, including leaking plumbing in our crawlspace and felt that we had no way out of an absolute nightmare!”
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Lakes Landscapes
“He is very knowledgeable in the various aspects of landscaping required to add the nice ambience that most of us want in our yards or patios.”
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Inline Landscaping Inc.
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Luke's Landscaping
- Patio
- Happy
- Communication
“They put in a side interlock walkway, interlock patio, concrete base for our new shed, and extened interlocked driveway along with gorgeous cedars that scale the perimeter of the property.”
Listed for homeowners in and around Ajax, 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: Ajax, ON
5 of the 24 companies we list are based in Ajax; the other 19 serve Ajax from towns including Scarborough (18 km), Pickering (5 km) and Whitby (8 km). The companies on this page are rated from 3.7 to 5.0 across 687 reviews; 5 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 (96%), quality (89%) and responsiveness (82%). The topics that come up most in reviews of the companies on this page are "estimates", "price" and "communication". 1 is open around the clock; 16 are open on Saturdays and 9 on Sundays. 1 shows a licence on its website. 8 have ten or more years of experience, the longest 28 years. 1 offers emergency call-outs; 15 give free estimates and 3 are family- or locally-owned. We have a website on file for all 24 of the companies on this page; 21 publish a contact page; 21 list a public email and 1 takes bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
What should I look for on a deck builder's site?
All 24 deck builders on this page list a website. The pages worth reading are the ones showing framing and footings rather than furniture on finished boards. Photos of piles going in or a flashed ledger say more about the build than any gallery of summer evenings.
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Top Quality Decks and Fences
- Work
- Backyard
- Budget
“Sheldon and team did a great job of replacing 3 rotted cedar posts with new pressure treated, and removing and replacing the custom fence panels between, all in a tight space with gardens on both sides.”
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DAP Contracting
- Backyard
- Clean
- Work
“Good value, professional service (not to mention great customer service) and the end product (my fence in this case) was really quite beyond what I expected.”
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Aztec Decks
- Communicate
- Designs
- Work
“When we first started our conversation with Dustin, we asked him many questions and he was always professional and offered valuable input without making us feel pressured or rushed.”
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The Deck Guys
- Project
- Communication
- Price
“Starting with an extremely reasonable price, getting the job started within a month of the home show, dealing with the amiable Scott, watching his craftsmen Brian and Kirk work their magic … every aspect of this job surpassed our expectations.”
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Decksrus
- Flowers
- Price
- Selection
“Frank is great with understanding your visions and providing the renovations you need for your home and deck, they also don't take any payments until they actually start doing the job which gains your trust and Frank is amazing with answering all you...”
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Golden Valley Decks
- Work
- Quote
- Backyard
“He offered valuable insights and suggestions, ensuring the design seamlessly integrated with the architecture of my house and the surrounding landscape.”
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Affordable Decks
- Family
- Quote
- Business
“We were, in fact, losing our trust in contractors, due to not showing up on time, showing up and not bringing tools, poor craftsmanship and trying to charge additional costs.”
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Canada Fence
- Trees
“The only reason its not 5 stars is because of the brother-in-law guy that was on the crew and killed my lilac bush by kicking the old fence onto it..”
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Serenity Decks
- Quality
“Glass rail panel slid down, one glass panel is scratched, the gutter is leaking in several spots, some electric wires are hanging loosely from the underneath the stairs.”
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Pittman's Woodworking
- Price
- Happy
- Deck
“10 x10 Shed built in a day, the couple were very polite, professional and hard working.”
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Capricorn Contracting
- Contractor
- Opinion
- Vinyl Flooring
“I used there services for minor and major renovations on different occasions from installing a TV wall mount to new legal finished basement in my house.”
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Always Dolce
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Northern Developments Carpentry
- Project
- Attention
- Work
“He told me the price for the railings I wanted and told me what he would need to do to ensure his work stood up (he needed to reinforce the original job).”
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Ontario Fence & Deck Ltd
- Team
“Mike, the lead contractor, and Cameron, their deck builder in training, were both meticulous and super conscientious throughout the entire build process.”
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Bildam Home Improvements
- Renovations
- Team
- Job
“Adam met with us initially to prepare a design and choose materials then continued throughout the process to keep us updated on how everything was progressing.”
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Benchmark Building Services Inc.
- Quality
“I've known and worked with Ross for over 25 years now - he is an extremely knowledgeable builder as well as an excellent resource with respect to Composite decking materials and finishes - his workmanship is second to none.”
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Payless Fence and Deck
- Wood
“Their recommendation and professionalism was top quality.”
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Just Deck It
“Ryan came back after the first full season to make some minor finishing repairs at no additional cost, and it has required no maintenance since then; it is as sturdy and beautiful as day one.”
Deck Building Services in Ajax, ON Cost Estimates
Minimum cost
$2406
Maximum cost
$27586
National Average
$10295
$5819
$14891
Typical price range is based on 504 cost profiles
Why these companies made our list
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