We Build ADUs That Add Space, Value & Possibility
Expert ADU Builders Serving Orange County
About Us
JOA Brothers Inc. is a licensed, family-owned general contractor serving Orange County. With over 25 years of combined construction experience, our team specializes in ADUs, home additions, remodels, and new construction.
We don’t just build structures — we build trust. Every ADU, remodel, or new build is handled with precision, transparency, and complete commitment to your vision.
Our Services
Explore the full range of construction services we offer to transform your space and maximize the value of your property.
Why Choose JOA Brothers Inc.?
Explore the full range of construction services we offer to transform your space and maximize the value of your property.
Tailored ADU Designs
Every home is unique — your ADU should be too. We design around your lifestyle, your property, and your long-term goals.
Craftsmanship That Lasts
We build ADUs using durable materials, skilled tradesmen, and proven construction practices that stand the test of time.
End-to-End Project Management
Permits, plans, engineering, inspections — we handle it all so your project runs smoothly from start to finish.
Before & After: See the Difference We Make
Project Recap
Approx Cost
Starting at $250K
Size
Typically 400–1,200 sq ft
Location
Orange County, CA
Style
Modern, Traditional, Spanish, Contemporary
We design and build kitchens that feel like a natural extension of your home — not an afterthought.
Every project includes full design plans, material selections, engineering (when required), and permit support.