What Is an Accessory Dwelling Unit (ADU)?

by Emily Medlock

An Accessory Dwelling Unit (ADU) is a self-contained living space built on the same lot as a primary single-family home. It includes a kitchen, bathroom, and sleeping area, making it suitable for independent living. ADUs can be detached structures, such as backyard cottages, or attached units, like converted basements or additions to the main house.

What is an adu 683x1024

AspectDetails
DefinitionA secondary living unit on the same lot as a primary residence.
FormsDetached, attached, or converted spaces (e.g., garage, basement).
UsesHousing family, renting, guest suite, home office, hobby room.
SizeTypically 800–1,200 sq ft; JADUs up to 500 sq ft.
UtilitiesShares connections with the main home but may have separate meters.
OwnershipCannot be sold separately from the main home.
Legal & ZoningMust comply with local codes, zoning rules, and may require permits.
Costs & TaxesConstruction costs vary; may increase property taxes and utility bills.
ProsAdds property value, creates income, maximizes land use, offers flexibility.
ConsHigh upfront cost, maintenance responsibilities, possible space reduction.

ADUs have gained popularity due to their versatility and ability to provide extra living space or generate rental income. They promote efficient land use in urban areas, reducing the need for new housing developments. With the rise of prefabricated models and streamlined financing options, ADUs have become more accessible for homeowners looking to expand their living options.

Junior ADUs (JADUs) are smaller versions of ADUs, usually under 500 square feet, often built within existing home structures. They offer a cost-effective way to add separate living areas with their own entrances and efficiency kitchens, while adhering to local codes and regulations.

The post What Is an Accessory Dwelling Unit (ADU)? appeared first on Homedit.

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