ADU Garage Conversions in Orange County, CA
Your garage can be so much more than storage space. At JOA Brothers Inc., we specialize in turning underused garages into beautiful, functional Accessory Dwelling Units (ADUs) across Orange County. Whether you want to create a private in-law suite, generate rental income, or design a cozy guest space, our team of licensed and experienced builders will guide you from start to finish.
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 ADU Services
Explore how we help homeowners expand their space through smart, well-designed ADU solutions.
- Detached ADUs
- Attached ADUs
- Garage Conversions
- Junior ADUs (JADUs)
- Custom ADU Designs & Plans
- Full Permit & Construction Management
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.
Custom ADU Designs
Every property is different, and so is every ADU. We design around your layout, utilities, and long-term goals—never a cookie-cutter plan.
Built With Lasting Quality
We use durable materials, skilled craftsmanship, and proven construction methods that keep your ADU strong, efficient, and beautiful for decades.
Start-to-Finish Project Support
Plans, engineering, permits, inspections, utilities—we manage the entire process so you don’t have to stress about the details.
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.