Best Deck Builders in Longmont, CO

The highest-rated Deck Design & Construction companies out of 256 vetted & reviewed in the Longmont area.

Ironwood Deck LLC

Ironwood Deck LLC

Best of 2023
(17)
Masonry Stucco, Stained Concrete
“There bid was reasonable and fair. Very hard workers, very clean and respectable. They listened to any concerns I had and still finished on time. I would recommend them for any deck. Thanks guys”
Locally Owned & Operated
In Business Since 2019
1716 Main Street, Longmont, CO,
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SJ Ward Landscapes

SJ Ward Landscapes

(20)
Lighting, Custom Landscape, Hardscape
“We had SJ Ward install six trees and a water feature. We were amazed at how the water feature turned out - it was much grander than we had expected, and it fits in well with the existing landscaping. Both Steve and Jade are very easy to work with a...”
In Business Since 1995
335 1st Ave # 6, Longmont, CO
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The Man Services

The Man Services

(10)
  • Team
  • Doors
  • Remodel
“Always impressed with this crew, their thoughtfulness in approach, excellent work and happy demeanor! Highly recommend for various projects large to small.”
Coupons & Offers
In Business Since 2006
Serving Longmont Area
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Decked Out Custom Decks

Decked Out Custom Decks

(5)
“Chuck & team did a great job adding the new deck floor & railings. Chuck did listen to my needs & share his professional experience with the deck flooring. Again many thanks for a great job I am very happy how the deck turned out very nicely!! 👍😀...”
Free Initial Consultation
In Business Since 2021
Family Business
Serving Longmont Area
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Northern Lights Exteriors

Northern Lights Exteriors

(29)
Commercial Flat Roofing, Commercial Services
“Northern Lights resided our house and redid the trim and we love it! It looks amazing, the quality and price were great, and they were good at communicating with us. We hope we won't have to reside anytime in the near future, but we know who we'd hir...”
Family Business
Licensed, BBB Accredited
In Business Since 2010
Free Initial Consultation
Serving Longmont Area
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Meraki Outdoor Living

Meraki Outdoor Living

(18)
  • Price
  • Pleasure
  • Pergola
“Matt and his team at Meraki Outdoor Living were great to work with! All were very professional, skilled and friendly. They even returned my trash bins to the back of my house on trash day. The patio cover I asked for ended up being more than I coul...”
Free Initial Consultation
In Business Since 2018
Serving Longmont Area
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Mount Sinai Landscaping & Concrete LLC

Mount Sinai Landscaping & Concrete LLC

(28)
  • Sprinkler System
  • Attention
  • Company
“Mt. Sinai replaced our patio (first business used was horrible) and sidewalk and my wife and I could not be happier. We highly recommend Mt. Sinai for any service you need done that they provide. They worked quickly and provided us with a beautiful ...”
Free Initial Consultation
In Business Since 2021
Serving Longmont Area
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Cosman Construction

Cosman Construction

(15)
  • Contractors
  • Well
  • Job
“Alex did some major repair work to our deck and also installed custom built gates on our deck stairs. He does excellent, thorough work, is very knowledgeable, and was very easy to work with. I had contacted several contractors for these repairs and A...”
Free Initial Consultation
In Business Since 2016
3401 Arapahoe Ave STE 303, Boulder, CO
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Adams Unlimited Construction

Adams Unlimited Construction

(8)
  • House
  • Project
“James started with a fair bid for our deck addition, and from that point forward he was wonderful to work with. He worked diligently while still showing the utmost respect for our home, all while putting safety first. His deep understanding of city ...”
Emergency Services
In Business Since 2010
Serving Longmont Area
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Next Level Carpentry

Next Level Carpentry

(18)
  • Team
  • Professional
  • Quality
“Chris did a custom banquette for our kitchen bay window area and built a beautiful, rustic table. He was incredibly responsive, reasonably priced, and happy to either be guided by my suggestions or to be creative on his own. I've already asked him to...”
In Business Since 2020
Serving Longmont Area
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Thornton Mike's Roofing LLC

Thornton Mike's Roofing LLC

(4)
“Awesome residential roofing contractor. Our new tile roof installation went smoothly and we now have the best looking roof in the neighborhood. And I'm glad we went with the seamless gutters. We are going to call Mike and his guys out again for their...”
Licensed, BBB Rating: A+
In Business Since 1993
Accepts Check, Cash
Serving Longmont Area
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321 Design & Build

321 Design & Build

(5)
Deck Services, Patio and Deck Enclosure
“Their communication was excellent right away. When they said they would, they showed up. Their work is outstanding. They colored the surface of my deck, which can be messy, but not them. They contacted me after they left, and everything was tidy. I w...”
Free Initial Consultation
In Business Since 2016
Serving Longmont Area
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Squareroot Construction

Squareroot Construction

(2)
“Doug was easy to communicate with. He cleared design changes with me first, and worked quickly. His crew is friendly and they made our dog and kids excited to see their progress each day. I would recommend working with Doug.”
In Business Since 2004
Serving Longmont Area
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Boulder Deck & Porch

Boulder Deck & Porch

(9)
  • Company
“Made the entry to my home stand out over all my neighbors. The added curb appeal and value alone was worth choosing this company. Every time I drink my morning coffee on my beautiful new porch I am grateful I chose Boulder Deck and Porch, and I promi...”
4869 Broadway, Boulder, CO
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Primetime Decks Boulder

Primetime Decks Boulder

(7)
  • Quality
“I highly recommend to anyone that wants a high quality professional experience and an exceptional value!👍”
1101 13th St, Boulder, CO
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Boulder-Rocks

Boulder-Rocks

(4)
“Perfection throughout. Good value with no markup on materials. Work on my paver reset convinced for another, a sidewalk replacement. Hire them and then no worries.”
In Business Since 2021
Serving Longmont Area
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Macmillan Home Services

Macmillan Home Services

(2)
“Steve is an absolutely amazing contractor. He is my go to guy for everything I need done in my home that my husband and I can't do. Steve really knows his trade, and I trust completely that he will do a job the way it should be done. He can do sma...”
Serving Longmont Area
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Deck Building Services in Longmont, CO Cost Estimates

Minimum cost
$1972
Maximum cost
$22614
National Average
$8439
$4770
$12207
Typical price range is based on 491 cost profiles
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Average Cost $8439
Minimum cost $1972
Maximum cost $22614

Average range $4770 to $12207 is based on 491 cost profiles.

Why these companies made our list

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