If the land has been deeded to the State for taxes, the cancellation of assessment does not affect the validity of the deed to the State.
Cal. Rev. & Tax. Code § 5027
Cancellation of Assessments on Public Lands on Application of State Lands Commission
Enacted by Stats. 1939, Ch. 154.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.