One firm. Full ADU design and construction — start to finish.
Uni Construction is a full-service building design and construction firm that specializes in ADU projects. Having design and build under one roof means faster timelines, lower costs, and zero finger-pointing between your design engineer and your builder.
ADU Types We Serve
Our firm designs and builds every ADU type:
Detached ADU — Full design services from concept to construction for standalone units tailored to your property.
Attached ADU — Integrated design and build for units that connect to your existing home with their own entrance, kitchen, and bathroom.
Garage Conversion — Full design and construction services that turn your garage into a fully permitted, comfortable living space.
Junior ADU (JADU) — Design and build for compact units up to 500 sq ft created within your existing home — the most budget-friendly ADU option.
Existing Floor Conversion — Full-service conversion of underused floors into self-contained ADUs with full design and construction handled together.

Service Areas
Uni Construction proudly serves homeowners across the San Gabriel Valley and greater Los Angeles area. Our design firm services for ADU projects are available in:
Next Steps
Skip the hassle of managing separate designer and builders. Uni Construction does it all. Book a free consultation to get started. Contact us

Related Services
If you’re planning an ADU, explore ADU Design, Permitting, and Construction—or speak with our General Contractor team.



