Expert ADU builders in Walnut Creek, CA. From design to permits and construction, we deliver custom ADUs that add value and space to your home.



Accessory Dwelling Units (ADUs) are small, self-contained homes built on the same property as your main house. Many homeowners in Walnut Creek choose ADUs to create rental income, accommodate family members, or increase property value.
LRL Builders are licensed ADU contractors in Walnut Creek, CA, with years of experience in designing and building custom ADUs. Our expert team handles every part of your project, from planning and permits to construction, ensuring high-quality results. If you are searching for reliable ADU builders for your Walnut Creek ADU projects, LRL Builders is here to make your vision a reality.


We are your trusted ADU construction contractor in Walnut Creek. With years of experience building high-quality Accessory Dwelling Units (ADUs), we know what it takes to deliver projects on time and within budget.
Our team is fully licensed and insured, ensuring every ADU is built safely and meets all local building codes. We handle all permits and approvals, so you don’t have to worry about the legal side of construction.
As a trusted ADU builder in Walnut Creek CA, we focus on quality, attention to detail, and customer satisfaction. From custom designs to final construction, we make the process smooth and hassle-free for you.
Choose LRL Builders for your ADU project and get professional service, expert guidance, and a home addition that adds value to your property.
We specialize in building high-quality ADUs (Accessory Dwelling Units) in Walnut Creek, CA. Whether you want a backyard guest house, a garage conversion, or a custom ADU, we handle everything from design to final construction. Here’s how we help you bring your ADU vision to life:




Building an ADU (Accessory Dwelling Unit) in Walnut Creek can bring many benefits to homeowners. High-quality ADUs can fit your needs and budget. Here’s why adding an ADU is a smart choice:
An ADU adds extra space and modern features to your property. This can significantly increase the overall value of your home. Whether you plan to sell in the future or just want a better investment, an ADU is a great way to boost your property’s worth.
With an ADU, you can rent it out and earn extra income. Many homeowners in Walnut Creek use their ADUs as long-term rentals or vacation rentals. This additional income can help cover your mortgage or other expenses.
ADUs are perfect for growing families. You can use the space for elderly parents, adult children, or guests. It gives your family privacy while still keeping everyone close together.
Building an ADU is also an eco-friendly choice. ADUs use less energy than traditional homes, making them a sustainable housing option. It’s a smart way to make your property more efficient and environmentally friendly.
Separate from your home, perfect for privacy or rental space.
Connected to your house, adding extra living space efficiently.
Transform unused garages into comfortable living units.
Small, efficient units ideal for rentals, offices, or guest space.

We proudly serve Walnut Creek, Lafayette, Pleasant Hill, Concord, Danville, Alamo, Moraga, Orinda, San Ramon, Martinez and Clayton.
We know building an Accessory Dwelling Unit (ADU) is a big decision for homeowners. That’s why we make it simple and stress-free.

We’re proud to earn the trust of homeowners and businesses across Walnut Creek. Here are a few reviews from our happy clients.










Have additional questions? Need more information?
Contact us at (925) 905-9995 or info@lrlbuilders.com.
The timeline depends on the size and type of ADU. On average, building an ADU in Walnut Creek takes 3–6 months from design to completion. Our team works efficiently to finish your project on time.
Yes. You need city permits before starting construction. LRL Builders handles the paperwork and approvals so your ADU construction in Walnut Creek meets all local regulations.
Costs vary depending on size, design, and materials. On average, building an ADU in Walnut Creek can cost between $150,000 to $350,000. We provide detailed estimates upfront to avoid surprises.
Absolutely! We design every ADU to complement your home’s style. From exterior finishes to interior layout, we ensure your ADU in Walnut Creek blends perfectly with your property.
Yes! Many homeowners in Walnut Creek use their ADU as a rental unit. LRL Builders designs ADUs that are perfect for long-term rentals or short-term stays, helping you maximize your property’s value.
We proudly serve Walnut Creek, Lafayette, Moraga, Orinda, Oakland, Piedmont, Alameda, Berkeley, Alamo, Danville, Blackhawk, San Ramon, Clayton, Concord, Pleasant Hill, Martinez, and more!
Our extensive range of services ensures that every project meets the highest standards. Experience quality craftsmanship and customer satisfaction that sets us apart in the construction industry. Discover more about how we can help you today!


