Airbnb co-founder needed a tiny prefab. He built Backyard ADU
In 2015, Airbnb cofounder Joe Gebbia wanted a backyard house, but couldn’t find anything he liked, so he decided to get into the business of creating and selling ADUs. Seven years later, he has launched Backyard, an off-grid steel prefab that comes in 5 colors and 2 sizes (a 430-square-foot studio and a 550-square-foot one-bedroom).…