We've worked with Al Simeone numerous times over the past decade on three different personal homes…read more He's an excellent engineer and designer.

Al helped me with a difficult situation that included an non- permitted ADU and two non-permitted…read moreout buildings that were more that 20 years old. No knowing exactly what I was up against, I really had to rely on Al's advice and experience to calmly guide me through the details of exactly what to expect. When we finally were in the construction phase of the large buildings, it moved quickly, as the inspector was familiar with Al's work, trusting his calculations with confidence. There was not even the slightest issue. I am so very pleased. We are currently ready to begin work on the ADU. I expect the same amount of ease with this project.

I had the pleasure of working with an exceptional engineer Hamid who drafted the plans to convert…read moreour kitchen into an open-concept layout, which required removing a previously load-bearing wall. From start to finish, the level of professionalism, expertise, and attention to detail was truly outstanding. The engineer demonstrated a deep understanding of structural integrity while also respecting the design vision for the space. He carefully evaluated the existing structure and developed precise plans to safely support the load while allowing us to achieve the open, modern kitchen we wanted. His calculations and documentation were thorough and well-organized, which made the permitting and construction process much smoother. What impressed me most was his ability to balance technical precision with practical solutions. He communicated clearly, answered all questions patiently, and ensured the plans were easy for the contractor to follow. The result was a seamless transformation--our kitchen now feels bright, spacious, and beautifully integrated with the rest of the home. If you need an engineer for structural modifications, especially for projects involving load-bearing walls, I highly recommend his services. His expertise, reliability, and commitment to quality truly set him apart.

Hamid helped me again! He was quick to respond, and was very helpful. He's a true professional and…read morea great guy, I recommend him to anyone needing a structural engineer.

David Thomas is an incredible engineer. I've been working with him (I am a designer) for about 3…read moreyears on about 20 projects per year, both commercial and residential. He's smart, personable, works quickly, and does a great job. I have stopped getting bids from other engineers because David completes the work faster, more accurately and without any hassle. For instance, we just worked together on a new restaurant that was structurally complicated. The plan checker at the city only had one structural question after reviewing the plans. This is unheard of. The result is that your project will be permitted much faster if David Thomas engineering generates the structural plans and calcs. Unlike other engineers, he is responsive and always answers the phone, and he is fun to talk to. I highly recommend David Thomas Engineering, you should give him a call if you're looking for a great engineer.

David Thomas was recommended by Denise at Larson Design. She said he was the best for such a…read morecomplicated project and she was right. After submitting the plans, the structural plan checker had one question only. This is amazing. We're talking about a 2 story complicated restaurant. He is a pleasure to work, works quickly, and comes across as very intelligent. I highly recommend David Thomas Engineering.

We worked with Trent to get a full inspection on the foundation for a home we were buying. We were…read moreable to schedule him to come onsite with about a week's notice. His pricing was fair, he showed up on time, and he did a thorough evaluation. We had a complete, detailed report in our inbox the next morning. Overall great experience. Thanks!

Trent was very quick to respond and answer any questions i had. He was accommodating on getting out…read moreto the property in a timely manner. I would highly recommend him if you are in need of a report to evaluate your foundation issues and someone who knows how to interpret those findings.

We have worked with Amgad for several years on many different projects, and he has consistently…read morebeen an absolute pleasure to work with. He is professional, thorough, knowledgeable, and extremely detail-oriented in everything he does. One of the things we appreciate most is that he not only provides excellent structural engineering solutions, but he also brings thoughtful ideas and practical problem-solving to projects. He works collaboratively with the entire team and always takes the time to make sure every detail is properly considered. His plans are clear, well thought out, and reliable, and we have always felt confident recommending him to our clients. We truly value the working relationship we have built with him over the years and look forward to continuing to work together on many more projects. We have worked on projects throughout Orange County. Have done work with him in Newport Beach and many other coastal communities. Highly recommend.

San Mina was great to work with, and I would highly recommend them, especially Amgad. He was…read moreresponsive and extremely easy to talk to. He made himself available to answer all of our questions, and we a lot of them!

Massood was extremely knowledgeable, professional and helpful in getting at report for my house on…read moremy extremely tight timeframe. He was also referred to my by two other industry professionals who let me know I was in good hands. Excellent service and was able to get me the answers I needed ahead of schedule. Additionally, Massood was able to answer all of my questions after the inspection. He was thorough and simply put he made an unfortunate situation resolve more smoothly than expected. We would definitely use his services again with no hesitation. Thank you Massood!!

Massood was referred to me by industry professionals that questioned my needs and said 'he will do…read morehis job and stick with you through litigation if needed.' He became to me like a father figure - thorough, concerned, ready to take any call and make himself available for my needs. He is the only structural engineer I will ever need or use. Huge integrity and has a general care for human wellbeing, I am so thankful I was referred to him and benefitted from his knowledge and sound advice. Amazing man with tremendous knowledge, incredibly detailed reports, fast follow up. This is the man you are want to use. Thank you, Massood!! You protected me beyond what you were paid to do and I know you are my advocate forever. You know your facts and genuinely care about your customers. Thank you!

we have worked with Rhett and his team for about seven years now they have helped us on dozens of…read moreprojects from retrofits to complete ground up projects. DSI is extremely knowledgeable in what they do. Anyone that deals with this stuff regularly needs to understand that it takes time and you must be patient. Plan submissions typically fly through particularly in San Diego, Diego and County of San Diego areas given their extreme knowledge of local requirements and an extensively detailed submittal.

I work for an architectural firm and our team has worked with DSI for many years. They are very…read moreexperienced and collaborate with our team. I recommend DSI to my employees and colleagues who need a dependable structural engineering firm.