Claim: Secondary suite which can be exterior only is secondary to the primary residence (one primary residence at any given time) and normally has its own kitchen.
Evidence: There are three types of accessory units: interior, interior with modification, and detached. 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.