Tetra-One (540 SF):

24’x24’ (Footprint)

At the scale of an Accessory Dwelling Unit, the Polyhaus Tetra-One prototype is the first complete structural-diaphragm built entirely out of Mass-Timber, in San Diego, California. Polyhaus’ Tetra-One includes the following spaces: a living room, kitchen, bonus area and a sleeping loft, spread across a 440 SF ground floor and a 100 SF mezzanine. The Tetra-One Prototype received CalHFA’s ADU Grant administered by The California Housing Finance Agency (CalHFA), a State Housing Finance Agency.