California · CA
High incomes paired with high cost of living drive strong demand for tax optimization and equity-compensation guidance.
Join ConectivCalifornia taxes capital gains as ordinary income. Combined with the federal brackets, that puts the marginal cost of realizing a gain near 50% at the top. Most national personal-finance content quietly assumes a 15% federal long-term rate and stops there. In California, that omission can cost you five figures across one tax year if you are deciding whether to sell vested employer stock.
Compensation here is also unusual. The Bay Area runs on equity across both pre-IPO and public-company employers. Silicon Valley is heavy on long-tenure RSU stacks at Apple, Google, and Nvidia. San Diego mixes military pay, biotech equity, and a large healthcare workforce. Each of these comes with its own version of the concentration problem and its own optimal answer for diversifying out without paying more state tax than necessary.
One more piece worth flagging: the residency-change question matters more here than almost anywhere else. California is aggressive about taxing income earned during residency, including unvested equity. People who plan a move out of state without thinking through the apportionment rules sometimes end up surprised by what California still claims after they leave. The right time to ask the question is before the move, not after the first vesting cliff in the new state.
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