Housing comes in all shapes and sizes in the Granite State. The 2017 NH accessory dwelling units (ADUs) law adds another housing dimension, giving homeowners the right to create an ADU to house a family member, caregiver or to rent out for income. What’s an ADU? They’re residential units for one or more persons, attached to or associated with a single-family dwelling (such as an apartment over a garage, in a basement, or in an outbuilding). Download our guide for public officials who are implementing the law in their communities.