Graphite Design Build is a Portland, Oregon–based residential design-build firm founded by Dan Walker. Our approach combines architectural insight with hands-on craftsmanship, offering personalized services that balance quality, sustainability, and timeless design. We’re dedicated to creating eco-conscious living spaces that exceed expectations and reflect each client’s individual lifestyle and aspirations.

​

Dan is a builder and designer with a degree in Architecture from Portland State University and a creative foundation from the Massachusetts College of Art. In 2010, he founded his design-build business, combining his passion for architecture with a commitment to innovative design practices. As a certified Passivhaus consultant, Dan has a keen interest in building science, striving to create sustainable and energy-efficient structures. He resides in North Portland with his family and enjoys nurturing a small garden in his spare time.