Revisiting California Tax Residency after the TCJA

(This article originally appeared in the Journal of Multistate Taxation and Incentives, Vol. 28, No. 9.)

The question of whether or not an individual is a resident of a particular state has always been an important issue in the area of state personal income taxation. California, because of its top marginal personal income tax rate of 13.3 percent1, and the large number of high-wealth individuals living in the state, always has been one of the most significant jurisdictions for this issue. Indeed, California, at 13.3 percent, currently has the highest personal income tax rate of any state.2 The significance of the high California rate, and the residency issue in general, recently has taken on added significance as a result of two federal tax law changes.

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