Accessory dwelling unit ADU with corrugated metal siding in  St. Helena, California CA designed by Ryan and Maddie Chandler of Chandler Workshop Architects.

This Napa Family’s $226K ADU Repurposes Skateboard Wheels and Vineyard Stakes

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The home, positioned on empty yard space next to the lot’s primary residence, is largely made from secondhand scraps. "Reclaiming materials makes financial sense, and it makes environmental sense—for us, that’s huge," Maddie says, referencing the metal, wood, and more bits and pieces they repurposed to build the ADU.