This document introduces small, affordable housing options such as accessory dwelling units (ADUs) that could help meet the needs of smaller households. It provides several reasons for the growing interest in ADUs, including a lack of housing choices, their adaptability over life stages, environmental benefits, and affordability. The document outlines different ADU types like detached units, internal conversions, and tiny homes. It also discusses rules for ADUs, common barriers to their construction, and examples of successful ADU programs.