Structural and MEP Design for less rework & waste
S3DA provides a unique combination of structural and MEP design in California to hep save time and reduce design clashes, providing a streamlined experience and quicker turnaround times



Why us
Responsible
We’re the single source of responsibility for your project.
Economical
Budget-friendly solutions without runoffs.
Reduce waste
Timely delivery of your project.
Punctual
We’re the single source of responsibility for your project.
Let's turn your visions into reality!
Schedule your free consultation with S3DA, your trusted structural and MEP design partner.
We have Completed over 4,600 structural and MEP design projects in commercial, residential, healthcare and industrial sector


Streamlined Solutions
At S3DA, we’re disrupting construction design with efficient solutions that break the cycle of wasted time, budget overruns, and missed deadlines. We collaborate with architecture firms, developers, and owners to solve complex engineering challenges.
A Better Approach
While technology has advanced rapidly, construction design remains stuck in the past. Too often, companies focus on one design aspect, leaving architects with the burden of merging designs. At S3DA, we take a different approach. Our innovative method integrates structural and MEP design acting as a single point of contact to reduce rework, waste, and costs.

The S3DA Advantage
Single Source of Responsibility
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.
Licensed Professionals
Our fully licensed engineers carry collective years of experience, results-oriented designs, and a client-focused approach.
Extensive Portfolio
Completed over 4,600 successful structural engineering design projects in the commercial, residential, and industrial sectors.
Local Code Solutions
We design according to local codes and adhere to Title 24, all while aiming for safety and lowering construction costs.
Quality
Results
Whether it’s project size, system type, timeline requirements, or occupied properties, we solve your most pressing engineering design challenges.
Affordable Options
The simple key to our success, and yours, has been providing professional quality services on time and on budget.
Don't hesitate to take the first step toward excellence.
Request your free consultation from S3DA now!
Come and let’s get you a free quote of S3DA Design
Frequently Asked Questions
1. How many sets of architectural designs do I need to build a house?
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:
- The owner
- The Contractor
- The Sub-contractors
- The Building Department
- The Mortgage Lender
- The Building Inspector
2. Can I design my own house without an architect?
Yes, you can. If you or your builder have a talent for design, a clear idea of what you want, and if you can create plans that meet your local building authorities, you can go ahead with designing your house.
3. How much does an architect charge for architectural home design?
Well, it depends on several factors such as the complexity of the project, the square area of the land, add-on services like extra revisions, project management services or any type of construction help. We recommend you get in touch with our experts for a better understanding.
4. Do architects charge for an initial consultation?
Different architects offer numerous services when it comes to initial meetings with potential clients. Many architectural design firms agree to a quick, one-off introduction free of charge to discuss the project, your budget and their ability to deliver.
5. What do architectural services include?
Our architectural design firm offers
- Conceptual Design
- Exterior Design
- Landscape Design
- Design Development
- Detailed Design and Drawings Production
- Technical Specifications
Testimonials
“While technology has advanced rapidly, construction design remains stuck in the past. Too often, companies focus on one design aspect, leaving architects with the burden of merging designs. At S3DA, we take a different approach. Our innovative method integrates structural and MEP design acting as a single point of contact to reduce rework, waste, and costs.”
John Doe
“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.”
Chris Cox
"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!"
Belal Siddiqui
"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."
Brenda Hurley
"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."
Steve Poehlein
"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!"
Connie Baublis