Structural engineering that gets your ADU approved — fast.
Uni Construction works with California licensed structural engineers to deliver code-compliant structural plans for every ADU project. From seismic calculations to foundation design, our engineering team ensures your ADU meets all California building codes and passes plan check the first time.
ADU Types We Serve
We provide structural engineering for every ADU type:
Detached ADU — Full structural plans including new foundation design, framing calculations, and lateral force analysis.
Attached ADU — Engineering that integrates seamlessly with your existing home's structure while meeting all seismic and load requirements.
Garage Conversion — Structural evaluation of your existing garage — foundation, framing, and roof — with engineered upgrade plans as needed.
Junior ADU (JADU) — Structural analysis for interior conversions ensuring load paths and wall modifications meet California code.
Existing Floor Conversion — Engineering assessments for converting basements, upper stories, or ground floors into code-compliant ADUs.
Service Areas
Uni Construction proudly serves homeowners across the San Gabriel Valley and greater Los Angeles area. Our engineer services for ADU projects are available in:
Next Steps
Don't let structural engineering slow down your ADU project. Our CA licensed engineers deliver fast, accurate plans that get approved. Reach out for a free project review. Contact us
Related Services
If you’re planning an ADU, explore ADU Design, Permitting, and Construction—or speak with our General Contractor team.
