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.

Successful Projects
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Happy Clients
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Clients Satisfactions
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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.

What Our Clients Says About Us

"Working with JOA Brothers Inc. was a fantastic experience! Their team transformed our garage into an ADU flawlessly, and the communication throughout the process was top-notch. Highly recommend!"
— Michael T.
"We recently hired JOA Brothers to remodel our kitchen, and we couldn't be happier with the results! They listened to our ideas and delivered a beautiful, functional space that we love. Thank you for your hard work!"
— Jessica S.