An Accessory Dwelling Unit (ADU or DADU) is a secondary and smaller residential unit located on the same property as a single-family house.

Essentially, it serves as an additional living space coexisting with the main home. Whether attached to the primary residence or freestanding, such as a converted garage or standalone structure, ADUs are designed as independent living spaces.

image of 2 bedroom_2 bathroom_ADU

They serve various purposes, including accommodating aging parents, providing housing for caregivers, hosting guests, creating a dedicated work-from-home office space, generating additional rental income, or offering a private living arrangement for family members.

ADUs are also known by other terms such as In-Law Suite, Mother-in-law suite, Granny flat, Backyard guest house, Backyard cottage, and Carriage house.

Visit our blog to read why you should build an ADU.

Visit our ADU Collection for comprehensive ADU plans.