I remember when I used to drive up and down the 15 for work in the early 90’s and saw signs every mile from temecula north to corona for brand new 4 and 5 bedroom houses starting in the mid to high 100’s.
Just like Temecula and the rest of the IE still has a way to fall, I think that areas like vacaville, stockton and modesto that served as the bedroom communities for the bay area, while down significantly from peak, still have a ways to go.
My gut feeling is that you are going to see these former farmland mcmansions in the 300’s in the next few years, especially with gas having more than doubled since the start of the boom and heading nowhere but up in the near term.