Impact of Accessory Dwelling Units Legislation - HUD User (.gov)

ADUs can be either attached to a primary home or standalone structures and often are known as granny flats, in-law units, second units, or backyard cottages.

Accessory Dwelling Units (ADUs) are located on the same lot as a single-family home.

Impact of Accessory Dwelling Units Legislation | HUD USER.

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In 2021, the state of California passed laws aimed at increasing housing production and streamlining permitting.