Studio Shed's prefab prefabricated Signature studio model with glass doors, grey silver plank cladding, and metal shed roof on terrace looking out over a rolling landscape.

You Can Build These Prefab ADUs Yourself, Which Start at $100 Per Square Foot

9 of 11

The prefab’s metal roof rests on plywood rafters, which can be stained or painted for $1,400. Clients also have the option to shorten the eaves to six inches for an extra $200.