Wraparound House is a 2021 renovation and addition to a Spanish Revival house in San Francisco, California, by Spiegel Aihara Workshop.

Description
Spiegel Aihara Workshop (SAW), has designed Wraparound House, an expansive architectural renovation and landscape of a 1930s home in the Marina neighborhood, for a couple with three children. The family was looking for more space to accommodate indoor and outdoor activities for the kids, places to work and entertain, and views of the Bay. The project was also an opportunity to remediate and stabilize the land beneath the home, and for the architects, a conceptual reconsideration of the notion of groundedness through re-distributing the excavated ground vertically.
The originally three-bedroom Spanish Revival home was expanded both vertically and horizontally to encompass six bedrooms and 4,738 square feet of total interior space, including the garage. The work was born of the active homeowners? desire for more space for their family, but also facilitated by the need to remediate and reclaim the contaminated earth below. The Marina neighborhood is known for its basis in landfill, but more recently apparent is the embedded contamination of the soil below, likely from residue released by the former PG&E North Beach Manufactured Gas Plant, which was operational from 1891 until it was damaged in the 1906 earthquake. With excavation of the top 4-6 feet of soil necessary for remediation, the architects were...