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Home / Services / ADU Garage Conversions
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.
As a trusted general contractor in Orange County, we combine over 25 years of craftsmanship with the latest California ADU building standards. From permits to finishes, we handle everything with precision, integrity, and care.
An ADU (Accessory Dwelling Unit) is a small, self-contained home built on the same property as your main house. In Orange County, converting a garage into an ADU is one of the smartest ways to increase your property’s value and flexibility. These spaces can serve as:
Our ADU garage conversions are designed for comfort, safety, and compliance with local building codes. We manage the process from concept and design to city approval and final construction.
We know the ins and outs of Orange County’s ADU zoning laws, setbacks, and permits. Our team ensures your project meets all California building standards and local codes. We coordinate directly with your city’s building department—saving you time, stress, and costly delays.
From concept sketches to interior finishes, we handle every step in-house. You’ll work with our designers, architects, and builders under one roof, keeping your project organized and on schedule.
With 25+ years of experience, JOA Brothers Inc. blends generational craftsmanship with modern design. We treat every project like it’s for our own family—because your home deserves that level of care.
We build smarter. Every ADU conversion is designed with energy efficiency in mind—using insulation, low-flow plumbing, and LED lighting to keep your new space affordable to operate and environmentally friendly.
We start with a free consultation to understand your goals. Do you need extra income? Space for aging parents? Our team listens and helps you plan the right design for your property.
Our in-house design team prepares architectural drawings and works directly with your city’s building department to secure necessary permits.
Once approved, our skilled contractors get to work. We handle demolition, plumbing, electrical, flooring, and finishes with quality materials and expert precision.
Before you move in or rent it out, we ensure everything meets code and your expectations. You’ll end with a space that’s functional, comfortable, and beautiful.
Each ADU is fully customized to fit your lifestyle, budget, and property layout.
We proudly serve homeowners throughout Orange County, including:
Our local expertise ensures your project meets city-specific requirements and blends seamlessly with the community.
The demand for affordable housing in Southern California has never been higher. According to the California Department of Housing and Community Development, ADUs are one of the most effective ways to expand housing options. In Orange County, ADUs offer homeowners:
At JOA Brothers Inc., we help homeowners take advantage of these benefits with code-compliant, high-quality ADU builds.
Our team has completed ADU conversions across neighborhoods such as Old Towne Orange, Floral Park, and North Tustin. Each community brings unique architectural charm—and we honor that by designing conversions that fit right in.
We understand the details that make Orange County homes special: Spanish tile roofs, Craftsman beams, and contemporary stucco finishes. Whatever your style, we’ll create a seamless addition that looks and feels like it belongs.
Ready to turn your garage into something amazing? Contact us today for a free consultation.
At JOA Brothers Inc., we offer a full suite of construction and remodeling services, all handled by our in-house team of licensed, bonded, and IICRC-certified professionals.
Transform your garage into a comfortable and functional living space. Our ADU contractor team in Orange County helps you design and build additional units for family living or rental income. Every conversion meets California’s ADU codes and blends beautifully with your home.
Building a custom home or commercial property? We’ll bring your ideas to life from blueprint to final walk-through. With decades of experience in Orange County general contracting, we handle every detail with care and precision.
From full home renovations to small updates, our remodeling contractors in Orange County are here to help. We specialize in transforming outdated spaces into modern, functional, and beautiful environments.
The kitchen is the heart of your home. We’ll design and build a stylish, functional kitchen with custom cabinetry, countertops, and finishes that make cooking and gathering a joy.
Create a peaceful retreat with a custom bathroom remodel. Our designers will help you select modern fixtures, layouts, and materials for a spa-like experience.
At JOA Brothers Inc., we offer a comprehensive range of general contracting services tailored to meet your needs:
