Cal. Prob. Code § 10262
(a) Except as provided in subdivision (b), if a written offer to purchase the property is made to the court at the hearing on the petition for confirmation of the sale and the new bid is at least 10 percent more than the amount stated in the report made to the court, the court in its discretion may accept the new bid and confirm the sale to the offeror, or may order a new sale, if all of the following conditions are satisfied:
(b) If there is more than one offer that satisfies the requirements of subdivision (a), the court shall do one of the following: