House O, designed by Jun Igarashi, forgoes hallways and interior doors in favor of casually interconnected rooms.

The Tinbeerwah house and studio keep a low profile among the site’s eucalyptus trees.

Sleeping nooks that look like the grooves in a block of cheese.

A passage between the walls for hide and seek.

Site work in progress.

The addition’s two stories of cedar-framed sliding doors and window provide generous views of the house’s prized jacaranda tree. The addition’s polished concrete floor and white cladding extend into the garden, drawing occupants to the serene rear porch. There, they can relax on stools designed by Alvar Aalto and Charles Wilson while admiring the luscious greenery.

Comprising 11 modules, this green-roofed prefab was built in 90 days in a factory near São Paulo and then transported to the site in three shipments on flatbed trucks.

Future site view. Overgrown 21+ acre forested site.

Collage of site photos overlaid on top of previous owner's site plan. Site was unoccupied when purchased.

OPA wanted to free themselves from logic imposed by a grid and considered various inefficient configurations of shipping containers. They settled on a combination of options, seen in the trikselion shape here. The Presidio, San Francisco, California. Mobile exhibition pavilion for the For-Site Foundation. © Tim Griffith.

site design group, ltd. The award-winning landscape firm behind sites such as Mary Bartelme Park took over the penthouse of the historic Crane Company Building, designed by Holabird & Roche in 1912, and turned it into a playful, open workspace.

For more informartion on the project, visit gracefarms.org.

The site of much permit-wrangling.