 Secondary suite

Secondary suites, or accessory dwelling units, ADUs, or in-law apartments, are self-contained apartments, cottages, or small residential units, that are located on a property that has a separate main, single-family home, duplex, or other residential unit.In some cases, the ADU or in-law is attached to the principal dwelling or is an entirely unit, located above a garage or in the backyard on the same property.