Bear Gulch

Bear Gulch

Located in scenic Portola Valley, California, this Accessory Dwelling Unit (ADU) is thoughtfully sited on the natural hillside setting. Nestled within a grove of mature oak trees, this shou Sugi Ban clad structure is harmoniously integrated into the hillside and appears to float over an open carport below. The ADU features interior living space arranged in two wings, divided by a central outdoor courtyard connected to a continuous front deck extending the length of the building. This upper living area is elevated above the carport, partially benched into the hillside for minimal environmental impact. 

Architect

Ana Williamson Architects

Contractor

JSD Construction Inc.

Photography

Michele Lee Willson Photography

Innovations

  • Floating Design

    The ADU's main level appears to float above the carport, blending structural functionality with architectural elegance. The cantilevered balcony further enhances this effect, creating an open, airy connection to the surrounding landscape.

  • Efficient Carport Integration

    The carport is bounded by durable board-formed concrete walls and supported by steel framing. Its design ensures functionality while integrating seamlessly with the hillside topography.

  • Open Staircase Aesthetic

    The steel stringer and tread staircase, connecting the carport to the ADU, achieves a light and airy aesthetic. Its open design adds to the architectural refinement while maintaining structural integrity.

  • Outdoor Courtyard and Trellis

    A central courtyard is framed by an open wood trellis, offering both shade and an inviting outdoor living area. The trellis and balcony framing are elegantly designed, incorporating exposed steel for minimalist appeal.

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