The Housing Coming to Your Backyard

The Atlantic magazine, Oct. 5, 2022–M. Nolan Gray
Accessory dwelling units have graduated from wonky planning jargon to popular parlance. Variously known as granny flats, mother-in-law units or casitas, ADUs are small, additional rental units that share a lot with another structure—typically a single-family home.
https://www.theatlantic.com/ideas/archive/2022/10/california-accessory-dwelling-units-legalization-yimby/671648/