ADU is a small home
Detached ADU is a small house. Backyard home, officially called Accessory Dwelling Unit (ADU), also known as granny unit, secondary home, in-law unit, garden or backyard cottage, coach house, casita, pool house or even a bunkie, is the best, and fast, way to add more space to your house. It is not a shed, it will have eating, living, hygiene and sleeping facilities. Its permitting is streamlined. You can get it built in 6 months (time to permit excluded). It is flexible in use and can be rented out when not needed by the family. A detached accessory dwelling unit does not trigger tax increase for the main house. It increases the home value. Investing in your backyard is literally a no regret move.