As it stands now there's not enough construction capacity. Santa Rosa burns in a wildfire and you can't get a contractor to stucco a wall in SF that summer, eh?
> This new 22-unit project from local developer Patrick Kennedy (Panoramic Interests) is the first in the nation to be constructed of prefabricated all-steel modular units made in China.
An interesting detail: "Kennedy notes that the cost of trucking to Berkeley from the port of Oakland was more expensive than the cost of shipping from Hong Kong."
However, we could do it: "Prefab housing complex for UC Berkeley students goes up in four days" Aug., 2018 https://www.berkeleyside.com/2018/08/02/prefab-housing-compl...
> This new 22-unit project from local developer Patrick Kennedy (Panoramic Interests) is the first in the nation to be constructed of prefabricated all-steel modular units made in China.
An interesting detail: "Kennedy notes that the cost of trucking to Berkeley from the port of Oakland was more expensive than the cost of shipping from Hong Kong."
So yeah, if we really had the political will we could build arcologies: https://en.wikipedia.org/wiki/Arcology