Cal. Sts. & High. Code § 10420

If redemption of the property is made after such affidavits are filed, and more than 11 months from the date of sale, the person making the redemption shall pay, in addition to the other amounts required, three dollars ($3) for the service of notice and the making of the affidavits, which amount shall be paid over to the purchaser or his assignee in the same manner as other sums paid for redemption.