ADUs

S3DA Design provided structural and MEP engineering design for a modular ADU concept in San Francisco, California. The project includes three different ADU configurations, ranging from approximately 400 SF to 1,200 SF, […]

S3DA Design provided structural engineering services for a residential remodel in Encinitas, California, focused on reconfiguring interior living space and verifying exterior patio cover connections. The project included kitchen wall removal and structural review […]

S3DA Design provided structural engineering services for a new 28′ x 17′ patio cover designed to enhance the outdoor living space of an existing residence. The scope focused on delivering a safe, code-compliant structural […]

S3DA Design is providing structural engineering services for a residential remodel and addition project in Cloverdale, Oregon. The scope focused on delivering a complete structural design package to support the proposed improvements while addressing updated loading […]

S3DA Design is providing structural and MEP engineering services for a new casita in Queen Creek, Arizona. The project focuses on delivering a safe, efficient, and cost-effective residential structure while ensuring proper […]

This project involved the comprehensive engineering design for a new Accessory Dwelling Unit (ADU) constructed over a detached garage in San Diego, CA. S3DA Design provided a seamless integration of structural stability […]

S3DA Design recently provided comprehensive MEP engineering services for a new residential development in Long Beach, CA, featuring a single-family residence and two modern Accessory Dwelling Units (ADUs). Spanning 1,150 […]

This project involves a multifaceted residential expansion in Valley Village, CA, featuring first and second-story additions along with the integration of a new attached Accessory Dwelling Unit (ADU). S3DA Design provided full-service […]

This project involves the structural engineering design of a new Accessory Dwelling Unit (ADU) constructed above an existing car garage in San Diego. The scope focuses on ensuring the existing […]

Our team is providing comprehensive structural engineering design services for two Detached Accessory Dwelling Units (DADUs) in Tacoma, Washington. The project includes full gravity and lateral system design in accordance with applicable Washington State […]

Our team successfully completed the Mechanical, Electrical, and Plumbing (MEP) engineering design for a new residential addition located at 6440 Palmyra Ave, Las Vegas, Nevada.  The project was designed in full compliance […]

Shipping Container → Mobile Office | Arizona Department of Housing (ADOH) SubmissionS3DA Design is preparing a full plan set to convert a standard ISO shipping container into a code-compliant mobile […]

S3DA Design provided the full structural engineering package for a custom pergola project in Indian Wells, CA. Our scope included detailed loading analyses (wind, seismic, dead, and live loads) and […]

Our team is providing the full structural engineering package for a modern two-story ADU and residence of approximately 11,000 SF in San Diego, CA, which also includes a pool. The […]

Structural and MEP design for a New SFR & 4 ADU Units, 4408 Oregon St. San Diego, CA S3DA will design a new building with structural, mechanical, electrical, plumbing, and […]

Structural design for a 2-Story Detached ADU at 7414 Dalton Ave., Los Angeles, CA S3DA has been awarded a structural design project that includes loading analysis, design calculations, and detailed […]