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As your local Bay Area ADU Builders and Home Addition specialists, BNO Builders takes pride in creating exceptional living spaces that enhance your property’s value and provide you with the space you desire. Whether you need a spacious granny flat, a custom in-law unit, or a well-designed secondary unit, our team is here to bring your vision to life.

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Our ADU and Home Addition Contractors Services

ADU Design: At BNO Builders, we understand that every project is unique. Our dedicated team of architects and designers will work closely with you to create a space that aligns with your specific needs and preferences. From studio apartments to one-bedroom units or larger ADUs, we ensure your project maximizes functionality and aesthetics.

Room Additions: We specialize in creating seamless room additions that blend perfectly with your existing home, providing the extra space you need while maintaining aesthetics and functionality. Our skilled team of architects, designers, and builders work closely with homeowners to understand their specific needs and preferences, ensuring that the new addition seamlessly integrates with the existing property’s architecture and style.

Permitting and Regulations: Building ADUs and handling home additions often involve navigating through permits and local building codes. With our extensive experience, we’ll streamline the process for you. Our team will handle all the paperwork, coordinate with authorities, and ensure your project meets all necessary requirements.

Construction and Project Management: BNO Builders manages every aspect of your ADU or home addition project from start to finish. Our skilled professionals, including builders, electricians, plumbers, and carpenters, will deliver the highest standards of construction. With efficient progress and timely completion, your project is in safe hands.

Space Optimization and Functionality: We prioritize space optimization in ADU projects. Our experts will collaborate with you to make the most of available space, ensuring your ADU or home addition is comfortable and offers ample storage options. Layout, traffic flow, and integration of essential amenities will create a livable and efficient space.

Integration and Aesthetics: BNO Builders ensures that your ADU or home addition seamlessly integrates with your existing property while reflecting your desired aesthetic. We pay attention to exterior design elements, materials, and finishes to create a cohesive look. Whether modern, traditional, or contemporary, we tailor the design to match your preferences.

Rental Income Potential: ADUs can provide an opportunity for rental income or serve as a separate living space for family members. BNO Builders understands the importance of designing ADUs that appeal to potential renters or accommodate the needs of your family members. They can incorporate features such as separate entrances, private outdoor spaces, and amenities to enhance the rental or living experience.

When you choose BNO Builders for your ADU or home addition project, you’ll benefit from our expertise, attention to detail, and commitment to delivering high-quality results. We offer comprehensive services, from design and permitting to construction and finishing, ensuring a seamless and successful process. Let us create an ADU or home addition that not only meets your specific requirements but also brings value and comfort to your life. As your trusted Bay Area ADU contractors and home addition specialists, we look forward to making your vision a reality. Contact us today for a consultation.


Begin your journey of transforming your ideas into your dream home or commercial space. Skip the subcontractors and salespeople, as our experts possess the remodeling expertise and design creativity to build your ideal space. Request a free call today!