To ease the housing crunch, more places end single-family zoning American suburbs mandated single-family homes generations ago, often to segregate areas by race and class. New laws allow more-affordable options like townhomes but construction so far has been slow.
![The U.S. needs more affordable housing — where to put it is a bigger battle](https://cdn-ak-scissors.b.st-hatena.com/image/square/548d91e7102f56f3d9ed36a665f8a7737b4220ca/height=288;version=1;width=512/https%3A%2F%2Fmedia.npr.org%2Fassets%2Fimg%2F2023%2F02%2F10%2Fimg_1756-1-_wide-3b5004a11820ddf9efed6c0bdf849e87a6392389-s1400-c100.jpg)