Cal. Pub. Cont. Code § 22172.3
(b) Following award of the design-build contract, except for those construction subcontractors listed in the statement of qualifications, the design-build entity shall proceed as listed in this subdivision in awarding construction subcontracts with a value exceeding one-half of 1 percent of the contract price allocable to construction work for projects with a contract value of greater than or equal to ten million dollars ($10,000,000).