ADUs offer homeowners opportunities to host family and friends, add studio or office space, or generate passive income through a long-term rental on their existing property. Combine these practical benefits with broad and preferential rezoning in many municipalities throughout the US, and ADUs are one of the biggest developments in housing. Written by award-winning architecture and design writer Lydia Lee, this thoughtful exploration of ADUs answers many of the questions that arise when thinking about investing in an ADU. From design strategies and challenges to understanding zoning regulations to financing and material selection, this title covers the need-to-know basics on ADUs in addition to presenting expert advice from architects, builders, and homeowners.