High taxes on newcomers. Nearly nonexistent taxes on dynastic families.
I assume you are referring to property taxes, but undoubtedly any “dynastic” family is going to have more tax liability from income than from property value.
https://www.statista.com/statistics/294941/largest-ratio-mil...
And that’s why rich people love living in blue states like California.
That drives real estate values higher, and creates a big tax divide between owners and renters.