Cal. Fin. Code § 21200.6

(a) In addition to other allowed charges, at the time property is redeemed or a replacement loan is issued pursuant to Section 21201.5, the pawnbroker may collect a handling, storage, and security charge for pawned articles. The maximum amount that may be charged pursuant to this section is in accordance with the following schedule: (1) Five dollars ($5) or 2.5 percent of the loan amount for any article that can be contained within one cubic foot. (2) Ten dollars ($10) or 2.5 percent of the loan amount for any article that cannot be contained within one cubic foot, but can be contained within three cubic feet. (3) Twenty dollars ($20) or 2.5 percent of the loan amount for any article that cannot be contained within three cubic feet, but can be contained within six cubic feet. (4) Thirty dollars ($30) or 2.5 percent of the loan amount for any article that cannot be contained within six cubic feet and five dollars ($5) for each additional cubic foot in excess of six cubic feet.

(b) For purposes of this section, cubic feet shall be determined by multiplying the width of an article, at its greatest width, by the depth of an article, at its greatest depth, by the height of an article, at its greatest height.