At DL Engineering Inc. in Lakewood, CO, we have a proven track record of completing numerous successful commercial structural engineering projects. Every commercial structural engineer on our team is committed to delivering the most effective solutions that prioritize safety, innovation, and cost-efficiency. Browse the website for more details.

DL Engineering Inc.
ClaimedBusiness and Investment
Address 9100 W Jewell Ave, Lakewood, CO, USA 80232
Websitedlengineer.com
DL Engineering Inc.
ClaimedBusiness and Investment
Address 9100 W Jewell Ave, Lakewood, CO, USA 80232
Websitedlengineer.com
DL Engineering Inc.
ClaimedBusiness and Investment
Address 9100 W Jewell Ave, Lakewood, CO, USA 80232
Websitedlengineer.com
Reviews for DL Engineering Inc.
| 40 Reviews
Work Quality
4.9Communication
5Value
4.9
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Steve Smyth
I’ve been using DL Engineering for over 15 years and they have always been informative, responsive and very friendly. I will continue to use and recommend them. Awesome company
Helpful | October 15, 2025
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Kurt Niemeyer
In a world of incompetent city building departments, DL Engineering (and Austin Duffy) are a shining light. I have been rebuilding my home personally, and they have been the only consistently reliable partner throughout the entire journey. For a great price too. They will always find a way to make something work, and give dozens of alternatives should the initial idea fall flat. I will be hiring them for any future projects or concerns.
Helpful | September 09, 2025
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G B
Daniel was very generous with his time and communicated the details of the situation very clearly. He was very helpful and exceptionally knowledgeable consulting on our project! I would not hesitate to recommend his firm to others in the future.
Helpful | May 15, 2025
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Carolynn Lobello
Helpful | May 07, 2025
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LUCA STRADA
Helpful | April 23, 2025


