California Code, Probate Code - PROB § 2467

(a) The guardian or conservator continues to have the duty of custody and conservation of the estate after the death of the ward or conservatee pending the delivery thereof to the personal representative of the ward's or conservatee's estate or other disposition according to law.

(b) The guardian or conservator has such powers as are granted to a guardian or conservator under this division as are necessary for the performance of the duty imposed by subdivision (a).