Cal. Health & Safety Code § 115195

If the department causes the object, building, structure or premises to be decontaminated, the department shall, upon the completion of the decontamination, return the impounded article or seized building, structure, or premises to the person who had control of the article, building, structure, or premises prior to the impounding or seizure. The person who has control of the object, building, structure, or premises and was responsible for its contamination shall pay the department for the reasonable and necessary costs incurred by the department in seizing and decontaminating or in seizing and disposing of the object, building, structure, or premises.