It depends on how easy they are to build, of course, but it looks like they could help a lot: https://www.washingtonpost.com/business/2023/05/21/adu-granny-fla

It depends on how easy they are to build, of course, but it looks like they could help a lot: https://www.washingtonpost.com/business/2023/05/21/adu-granny-flat-california-housing-crisis/ https://www.washingtonpost.com/business/2023/05/21/adu-grann... Of course they're just one of many things cities can do to confront their housing shortages.