California Code, Vehicle Code - VEH § 22670

(a) For lien sale purposes, the public agency causing the removal of the vehicle shall determine if the estimated value of the vehicle that has been ordered removed, towed, or stored is five hundred dollars ($ 500) or less, over five hundred dollars ($500) but four thousand dollars ($4,000) or less, or over four thousand dollars ($4,000).

(b) If the public agency fails or refuses to put a value on, or to estimate the value of, the vehicle within three days after the date of removal of the vehicle, the garage keeper specified in Section 22851 or the garage keeper's agent shall determine, under penalty of perjury, if the estimated value of the vehicle that has been ordered removed, towed, or stored, is five hundred dollars ($500) or less, over five hundred dollars ($500) but four thousand dollars ($4,000) or less, or over four thousand dollars ($4,000).