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by nugget 2892 days ago
Today, when a house in SFBA is $2 million and a comparable house in Arizona is $400k, yes. But if prices continue to diverge, then the math could change. What happens if trends continue and SFBA is $4 million and Arizona is $600k? The foregone return on "dead" home equity (once prices do hit a ceiling and appreciation slows) can rapidly outpace any differential in property taxes.

IIRC there's also some portability of proposition 13 tax basis within California, which would allow retirees to relocate intrastate, which would presumably create inflationary pressure in those secondary housing markets.