• Address:
    US: 8880 Rio San Diego Drive 8th Floor,
    San Diego, CA 92108
    UK:Office 32, 19-21 Crawford Street, London, W1H 1PJ, UK

  • Call Us:
    US: +1 (619) 736-3422
    UK: +44 203 0956 409

What We Do For You


Structural Engineering

We are now recognized for Innovative and Optimal Solutions ...

Architectural Design

In architectural design services, We design new buildings, additions, ...

Building Regulation

We provide a comprehensive package of calculation, drawings, and ...

Interior Design

The interior design services we provide are tailored to ...

Exterior Design

we provide creative professional exterior design enhancement, additions, accents, ...

Converted Containers

Container construction defines the future of eco-friendly design, and ...

Who we are

About Us

We are a US based growing startup. Our professional engineers and architects have years of experience in servicing many great clients. We are an architectural design, structural engineering, and interior design company. materializing our client's ideas and adding value to their dreams is our motto.

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Meet Out Expert

Our Team

Our team of expert and professional engineers and architects work hard to meet your expectations. Their out-of-the-box ideas, creativity, and innovative approach are sure to impress you. With many years of meeting our client’s expectations and surprising them with our innovative approach, we have successfully set ourselves apart and set a milestone.

Innovation & Adoption

Process of Design

Architectural Layouts

Structural Layouts

Structural layouts including calculation, specification and details are provided in the second stage.


Final stage includes MEP layouts based on local standards and practices.

Our Works


Architectural design -Exterior design-10 storey apartment

10 story apartment


Architectural- School design

School Design in South Africa


3 storey building in California-2

Three story home in California


Wood house - wood structure

Wood house in California

Structural Engineering


What clients said

To S3DA Design, I am writing to give you feedback on Haiden D. I was granted planning permission to ...

Testimonial | Shaun Holmes | structural & architectural services | s3da-design

Shaun Holmes

S3DA Design’s structural engineer “Kale” had the needed technical experience, took the initiative in contacting me about the job ...

Testimonial | Dave-S | structural & architectural services | s3da-design

Dave S

S3DA-Design’s structural engineer “Haiden Droid” provided a good efficient service and understood our requirements to undertake the working drawing ...

Testimonial | Barry

Barry S

Ahmad Owli and S3DA-Design have helped make drawings for several building permits. The drawings have been top-notch, changes were ...

s3da-design company-Aarom Moore

Aarom moore

I am very pleased to write this letter of recommendation for S3DA-Design’s structural engineers. During the period of H1, ...

Peter Knowles

S3DA-Design’s engineer Haiden Droid has recently worked for us in a substantial house renovation project which comprised a loft ...



We can’t thank S3DA-Design and its structural engineer Kale highly enough for coming to our rescue when we were ...

David Waller

David Waller

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