Cal. Revenue and Taxation Code - RTC § 568. Section 568.
(a)
All property which has been declared tax defaulted, whether or not subject to a power of sale by the tax collector for defaulted taxes, shall be assessed. The assessment shall be entered, in the name of the assessee on the secured roll.
(b)
All property which was tax-deeded to the state prior to the enactment of Chapter 988 of the Statutes of 1984 and was unassessed because of the tax deed to the state shall be assessed as if the tax deed was never issued.