Martin Partners Architecture + Design, LLP is a premier architectural firm based in Mill Valley, California, dedicated to creating high-performance residential spaces. The team focuses on blending modern aesthetics with the rigorous standards of sustainable construction and energy efficiency. By prioritizing Passive House principles, the firm ensures that every project achieves optimal thermal comfort while significantly reducing environmental impact. Their design process integrates natural light and solar orientation to maximize passive heating and daylighting opportunities. From major home extensions to the creation of accessory dwelling units, they provide comprehensive services tailored to the unique climate of Northern California. Each project is approached with a commitment to using healthy building materials and advanced building science to promote long-term durability. The firm works closely with homeowners to translate their vision into functional, beautiful, and ecologically responsible structures. Their holistic approach results in timeless architecture that respects the surrounding landscape while meeting the demands of contemporary living.