As mentioned in the comments, housing/shelter has a different meaning depending on your perspective (renter/owner, single/married, young/old or import/local resident). Unless we define housing types/building codes for specific subsets, it'll most likely be just more of the same development/investments. With many major metro areas bursting at the seams, I think they need to break ground on new 21st century cities and…
The answer was and always will be to increase density not increase transit to the suburbs. This is how you get 2 hour commutes. The idea that you are not doing the driving doesn't make a 150 mile commute seem better to me. You can cap density by height like most European cities do or go up forever like Shanghai. But simply arguing suburbs + highways were the 1950s answer and will be the 2050s answer is missing the po…
Why do you think Cali has not overbuilt skyscrapers to solve the housing crisis? The moneys has always been there to build them. Its probably something obvious huh?
Edit: I'm also in Southern California and am impressed with the sheer number of bungalows that cover the landscape. They would have chosen other alternatives had they been available during the growth boom. I also felt the tremors in July of last year from the quakes 150 miles away and think that is still top-of-mind looking forward.