I'm sure there are, but that doesn't change the fact that it's a bad idea. I'm sorry but I showed you how you're talking about an increase that's around 1% of the median household's annual income - this is simply not some crushing financial burden, and that's in cases of extreme upwards movement in valuation. For most people it's going to be less than that.
So seriously, I don't see the big deal here, certainly not a problem worthy of wasting so much money in tax subsidies by keeping taxes artificially low for select homeowners.
You just showed how it's a windfall. Why do you think so many people from New York move to Florida? Sure it's warm but it's also cheaper and people cash out giant paychecks from their houses. I guess since that's not a real windfall they should have to give it back?
As far as housing stability goes 1) I don't think limiting these taxes does much for that and is a waste of money. 2) I find it weird that we would want to create these absolutely massive tax subsidies that often go to very wealthy people in order to ensure someone doesn't move out of their community. How about they just move wherever they want and we don't subsidize it either way?
I feel like the case that 'you will need a 1% annual raise to afford additional property taxes' as some sort of exponential growth hurling people out of their homes is not tenable.
You pulled a number out of your ass, you showed nothing. Property tax for the median house in SFO is about 8K if there was no Pro 13. I doubt the median income is 800k.
It's only a windfall if you move away. Like I've said 20+ times in this thread it's about housing stability. Telling people "Sorry you can afford to live in your house any more, but you can move to Odessa, TX and have some profit" is not housing stability.
You have some data showing that most current homeowners are "very wealthy?" Most homeowners I know are squarely in the middle class and if you removed housing worth have very low networths. Sure they have house value, but they have to live somewhere, and if they don't live in a high cost area telling them to move to a low cost place won't help them either.
Again, it's clear you think incumbents should have no extra rights to their house than some future possible owner. I just fundamentally disagree with that. I believe there is value in people being secure in their housing situation. I have also never suggested there should be no increase in taxes, just that there should be a cap on the rate of growth. As
@mech has said, that could be done on the total revenue side vs the valuation side as well.