Cover Architecture, a Los Angeles-based firm, has introduced a fresh take on accessory dwelling units (ADUs) with their recent project, the Moongate ADU. Situated in a quiet neighborhood of Altadena, the 620-square-foot residence features an eye-catching sculptural facade and a creative blend of geometric forms, making it stand out as a modern addition to a 1960s ranch-style property.

The ADU was designed by Mike Wang, principal architect at Cover Architecture, for his mother, Pei, and her partner, Dan ? both former professors. The dwelling is intended to offer them a comfortable space to enjoy their retirement while staying close to Wang’s family in the main house. Unlike traditional layouts where an ADU might be tucked away behind the main house, the Moongate ADU is prominently positioned at the front of the lot. This unconventional placement creates a striking contrast with the original single-story home, which is located at the back of the property, near a ravine that overlooks Hahamongna Watershed Park.
The architectural choices for the ADU emphasize a dynamic interplay between old and new, ordinary and extraordinary. The design incorporates a sloped partition wall with a large circular opening that creates both a sense of mystery and a sense of openness. This wall, along with a raised foundation that requires stairs and a deck, forms an inviting outdoor space perfect for relaxation and reading. The ADU’s roof features eaves that curve in harmony with th...