Cal. Civ. Proc. Code § 704.840

(a) Except as provided in subdivision (b), the judgment creditor is entitled to recover reasonable costs incurred in a proceeding under this article.

(b) If no bid is received at a sale of a homestead pursuant to a court order for sale that exceeds the amount of the homestead exemption plus any additional amount necessary to satisfy all liens and encumbrances on the property, the judgment creditor is not entitled to recover costs incurred in a proceeding under this article or costs of sale.