There are some developers in the Bay Area experimenting with "Micro Apartments" (http://www.sfgate.com/business/article/Micro-apartment-developments-on-rise-in-

There are some developers in the Bay Area experimenting with "Micro Apartments" (http://www.sfgate.com/business/article/Micro-apartment-developments-on-rise-in-S-F-4951775.php http://www.sfgate.com/business/article/Micro-apartment-devel...) But not a ton of companies are tackling it. Apparently the zoning issues are non-trivial.