Design + Development
What is an ADU?
“Accessory Dwelling Units” or ADUs (also known as carriage houses, casitas, or granny flats) are secondary housing units located on a single-family residential lot. They are meant to be secondary or an “accessory” to the primary residence.
Types of ADU’s
Above garage:
unit built above garage commonly referred to a carriage
Garage conversion:
Converted former garage space also called a garage apartment
Detached or Stand Alone:
free-standing structure, such as a backyard cottage or granny flat
Attached or Addition ADUs:
shares at least one wall with the primary residence
Interior conversion:
built from existing converted space (e.g., an attic or basement) commonly called basement apartments, mother-in-law suite, secondary suite
Internal ADU
Part of the primary house besides the basement is converted to an ADU
