S3DA Design is a Structural and MEP Engineering firm composed of a group of professional engineers with over 20 years of experience. While headquartered in San Diego, CA, with additional offices in San Ramon, CA, TX and Florida, we proudly serve clients nationwide, with a strong focus on the Rhode Island market.
We specialize in delivering innovative solutions for residential, mixed-use, educational, healthcare, and industrial projects. By combining creative problem-solving with technical expertise, we honor budget constraints and deadlines while building lasting relationships with our clients and partners.
S3DA Design is offering a modern and holistic approach, where we take care of both structural design and MEP engineering. We are proud of having some of the best engineers in Rhode Island offering structural engineering and MEP engineering services.
We’re ditching the “pass the baton” approach. As the single source of responsibility, we reduce design errors, omissions, and clashes that arise when multiple parties are involved.
Our fully licensed engineers carry collective years of experience, results-oriented designs, and a client-focused approach.
Completed 4,600+ Structural & MEP engineering projects across the commercial, residential, and industrial sectors.
We design according to applicable state and local codes and project-specific AHJ requirements, prioritizing safety and cost-conscious solutions.
Whether it’s project size, system type, timeline requirements, or occupied properties, we solve your most pressing engineering design challenges.
The simple key to our success, and yours, has been providing professional quality services on time and on budget.
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" S3DA Design is one of the best structural and MEP design companies we’ve worked with. Their entire team always delivers us projects of exceptional quality while staying on schedule and under budget. They offer full package design services as well and virtually handle any design projects. We have chosen to work with S3DA Design on our projects "
" S3DA contacted me through LinkedIn and while I am usually skeptical of cold messages, I was in need of an MEP engineer so I thought I would give them a shot. After more than a year of working on several projects with their team, I have found them to be responsive, reasonable with timelines and budgets, and willing to stand behind their work. While there are many good engineers out there, S3DA’s customer service stands out as a valuable resource. "
" S3DA Design team are a good hard working group of professionals. They provide great communication, drawings and feedback during all aspects of the design and permitting process. I have worked with them on multiple commercial and residential projects and they always deliver in a timely manner and are priced very well. I recommend using them on any project. Their drawings are methodical and easy to understand, which makes the job easier for everyone! "
" S3DA is a very conscientious engineering firm with the mindset of coming up with the best solutions for its clients that are effective and cost-efficient. I would recommend S3DA to support your structural designs on your project. "
" I truly enjoy working with the S3DA Design team. We have completed several projects and they are professional, communicative, and expedient. They deliver good solutions quickly for a competitive price. Their work usually passes the plan check on the first submittal. I highly recommend the S3DA Design team. "
" S3DA is a true professional, with tremendous experience in design and structural engineering of reinforced concrete and steel structures! S3DA can provide these services in a number of states! I recommend you reach out to them and learn about their services! "
Request your free consultation from S3DA now!
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It depends on the complexity of the house, but in most cases, you will need roughly 5 to 8 sets. Those who will need design prints include:
Yes. S3DA can coordinate its Structural and MEPF engineering work with the client’s architect and other project consultants so the engineering drawings align with the approved architectural design and project requirements.
Depending on the contracted scope, S3DA can provide Structural and MEPF engineering design, calculations, drawings, code-related engineering coordination, and other specifically contracted engineering services. Architectural design is not included in the standard S3DA engineering scope.
Site visits are provided when required by the project and included in the agreed scope, or can be arranged separately when needed. Many design projects can begin from client-provided drawings, photographs, reports, and project information.
Architectural design is not included in S3DA’s standard engineering scope. When architectural services are required, we can coordinate with the client’s architect or provide a referral for services such as:
