When it comes to building a Junior Accessory Dwelling Unit (JADU) in Los Angeles, finding the best junior ADU contractors is essential for a smooth and successful project. JADUs offer a smart, cost-effective solution for adding livable space to a property. Additionally, they utilize existing square footage like a converted garage or a section of the main home.
The right contractor will ensure that your project adheres to city regulations and create a functional, attractive space that complements the property.
A skilled JADU contractor understands the unique challenges that come with building compact living spaces and knows how to maximize every square foot for comfort and utility. From navigating local building codes and securing permits to designing layouts that optimize natural light and storage, the best contractors handle every detail with precision and care.
8 Best Junior ADU Contractors in Los Angeles
We’ve curated a list of the top Junior ADU contractors in Los Angeles, recognized for their specialized experience, strong portfolios, and commitment to quality.
SR Construction
Service Area: Los Angeles County
This is a family-run company that blends decades of hands-on experience with modern innovation to deliver high-quality construction services. Known for their comprehensive approach, they expertly manage projects from concept to completion, ensuring a seamless process for their clients.
Their commitment to excellence is reflected in their attention to detail and ability to adapt to each client’s unique needs. With a deep understanding of traditional craftsmanship and contemporary building techniques, they create spaces that are both functional and beautifully designed.
They have a dedication to building lasting relationships with their clients. They approach every project with transparency, integrity, and a genuine passion for what they do. Clients appreciate their hands-on involvement, responsiveness, and the care they bring to each stage of the construction process.
Their reputation for reliability, knowledge, and a customer-first mindset has made them trusted partners for homeowners looking for quality and peace of mind.
Newhaven Builders
Service Area: Los Angeles County
They are an award-winning contractor who has been leading his company with dedication and integrity for over 20 years. Throughout his career, the founder has built a reputation for excellence, thanks to his longstanding crew who share his commitment to quality. Together, they’ve consistently delivered beautifully executed projects that exceed client expectations.
What truly sets him apart is not just the exceptional quality of his work, but the trust and strong relationships he builds with his clients. Known for his calm demeanor, reliability, and thoughtful approach, he makes the construction process feel seamless and stress-free.
Clients appreciate his open communication, his ability to problem-solve with ease, and the respectful, professional nature of his entire team.
Devries Builders
Service Area: Los Angeles County
This is one of our seasoned junior ADU contractors with over 30 years of experience in the industry. Throughout his career, he has built a strong reputation for his dedication to quality, integrity, and client satisfaction.
He has completed numerous projects for our clients, each one a testament to his expertise and commitment to excellence. His extensive knowledge and decades of hands-on experience, ensures that every job is completed with the highest standards of craftsmanship.
What truly sets him apart is his unwavering commitment to ethical practices and his client-first mindset. Time and again, he has proven to be a reliable and trustworthy partner, consistently delivering top-quality work.
Clients value his straightforward approach, problem-solving skills, and ability to navigate even the most complex projects with ease.
Lockwood Inc.
Service Areas: Los Angeles County, Orange County
This is a highly experienced contractor who has been in the business for over 35 years. Throughout his impressive career, he has successfully completed hundreds of projects, ranging from JADUs to ADUs and brand-new housing developments. His extensive portfolio reflects not only his deep industry knowledge but also his dedication to quality and precision in every project he undertakes.
Known as a creative problem solver, he approaches challenges with innovative solutions and a calm, can-do attitude that makes the entire process smooth and stress-free. Clients often describe him as a pleasure to work with, appreciating his transparency, dedication, and the strong work ethic he instills in his team.
With decades of experience and a proven track record of success, he continues to be a trusted choice for homeowners looking for a contractor who delivers exceptional results with integrity and care.
Williams Construction
Service Area: Los Angeles County
Here is a skilled contractor with over 25 years of experience in the industry. His quality craftsmanship and design earned recognition, with projects featured in magazines and the Pasadena Design Showcase. He combines creativity, expertise, and detail to ensure every project exceeds client expectations.
Former clients praise his transparency, responsiveness, and ability to make construction smooth and stress-free. They value how he listens carefully while offering expert guidance, delivering results that reflect their vision and his craftsmanship.
Clients unequivocally recommend him, showing the trust and respect he has earned over his decades-long career.
Green Construction
Service Area: Los Angeles County
This is a family-founded business built on a strong foundation of craftsmanship and a passion for creating beautiful outdoor spaces. After years of working alongside their father, who was also a contractor, the brothers combined their skills and vision to start the company.
Their approach blends thoughtful design with quality construction, ensuring that each project not only enhances the property but also reflects the unique needs and style of the homeowner.
Known for their clear communication, collaborative approach, and attention to detail, they work closely with clients from start to finish, offering expert guidance and creative solutions along the way. Their hands-on involvement and dedication to excellence have earned them a reputation for reliability, quality craftsmanship, and outstanding customer service.
SoCal Construction
Service Area: Los Angeles County, Orange County
This is a seasoned construction expert with decades of experience who founded his company in 2015. Since then, he’s delivered high-quality renovations across LA and Orange County with a hands-on, detail-driven approach.
He combines craftsmanship and construction expertise to deliver thoughtful renovations that create beautiful, functional spaces exceeding expectations.
He’s known for his conscientious nature, follow-through, and a collaborative approach that makes the renovation process smooth and stress-free. Clients consistently appreciate his dedication to quality, the professionalism of his crew, and his unwavering commitment to ensuring every project is completed to the highest standard.
They have become a trusted name in the industry, delivering results that homeowners can rely on and feel proud of.
Nest Construction
Service Area: Los Angeles County, Orange County
He is a hands-on general contractor who has been running his own company for nearly 20 years. He has built a reputation for delivering high-quality workmanship, reliable service, and personalized attention to every project. His extensive experience, combined with a strong work ethic and a passion for creating lasting results, has made him a trusted partner for homeowners looking to improve and protect their homes.
Clients appreciate his reliability, thoroughness, and the strong relationships he builds throughout the process. Known for being approachable and responsive, he ensures that homeowners feel confident and supported from start to finish. His crew reflects the same high standards—working efficiently, maintaining clean job sites, and treating each project with care and attention.
With a focus on quality craftsmanship and a client-first approach, he continues to be a go-to contractor for homeowners seeking both peace of mind and outstanding results.