California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 5461

If any pest is found to exist upon any property which has been deeded to the state for nonpayment of taxes, the notice of abatement shall be served by recording and mailing a copy of the notice to the State Controller, and either by personally serving or by mailing a copy of it, in the manner provided in Sections 5425 to 5428, inclusive, to the last owner of record prior to the deeding of the property to the state.