California Code, Probate Code - PROB § 10361

(a) If encumbered property is sold, the purchase money shall be applied in the following order:

(b) The application of the purchase money, after the payment of those expenses set forth in paragraphs (1) and (2) of subdivision (a), to the payment and satisfaction of the amount secured by the lien on the property sold shall be made without delay;  and, subject to Section 10362, the property sold remains subject to the lien until the purchase money has been actually so applied.