Cal. Rev. & Tax. Code § 55337
(b) In any action brought under subdivision (a), upon finding of liability on the part of the State of California, the state shall be liable to the plaintiff in an amount equal to the sum of all of the following:
(2) Reasonable litigation costs, including any of the following:
(B) Prevailing market rates for the kind or quality of services furnished in connection with any of the following: