Integrated ADU Construction for Coastal California

Execute your Accessory Dwelling Unit with a single, coordinated team. We seamlessly manage architecture, engineering, permitting, and construction.

STG Design Build delivers premium ADU construction for homeowners and businesses across Southern California. By unifying structural and MEP engineering, architecture, and construction management under one roof, we eliminate the friction of coordinating multiple vendors. Backed by 7 years in business and over 400 completed projects, our licensed and insured firm navigates complex coastal zoning requirements to transition your ADU from concept and approvals directly through high-quality construction.

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Integrated ADU Construction for Coastal California

Engineered for Southern California's exacting coastal standards, our integrated ADU solutions maximize property utility through uncompromising design and construction.

Why Choose Us

What sets us apart from the rest

Unified Design-Build Team

Architecture, engineering, permitting, and full-scale construction are managed by one cohesive unit, ensuring strict quality control and transparent project management.

Streamlined Permitting

We navigate complex local zoning laws and secure necessary approvals efficiently, keeping your project moving forward without unnecessary delays.

Licensed & Insured Execution

As a fully licensed, bonded, and insured firm, we bring technical expertise and exacting standards to every phase of your ADU build.

Proven Track Record

With a history of serving over 520 clients and delivering more than 400 completed projects, our processes are refined for maximum efficiency and predictable outcomes.

Ready to Get Started?

Book a consultation today and see how we can help grow your business.

Schedule a Discovery Call