It’s tighter than the bubble and looser than 2009.
Part of it depends on how much of a rate premium you’re willing to pay, along with suffering PMI. FHA loans are way less attractive than they used to be thanks to increasing fees.
My understanding is once the amount borrowing crosses into “Jumbo” loan territory, it becomes much trickier to get a loan. I think that limit in SoCal is 625,000? So it’s possible if your uncle is appraising a lot of North County McMansions, 20%+ is going to be the norm.