The California Supreme Court has just granted broad authority to counties and cities to impose documentary transfer tax (“DTT”) on certain transfers of interests in legal entities. Before June 29, 2017, tax practitioners’ prevailing view was that documentary transfer tax generally could not be imposed on transfers of interests in legal entities. There were two exceptions. First, for transfers of partnership interests that caused a partnership to terminate for tax purposes. Second, for charter cities that were permitted to enact their own DTT ordinances and had, in fact, enacted broader DTT rules. No more. On June 29, the California Supreme Court decided in 926 North Ardmore Avenue, LLC v. County of Los Angeles1 that all California counties and cities may impose DTT on certain transfers of interests in legal entities.