Cal. Civil Code § 8838

(a) The direct contractor or the direct contractor’s surety, or a subcontractor or a subcontractor’s surety, is not liable for delay or damage that the owner or a contractor of a subcontractor may suffer as a result of the direct contractor giving a stop work notice and subsequently stopping work for nonpayment, if the notice and posting requirements of this article are satisfied. (b) A direct contractor’s or original subcontractor’s liability to a subcontractor or material supplier after the direct contractor stops work under this article is limited to the amount the subcontractor or material supplier could otherwise recover under this title for work provided up to the date the subcontractor or material supplier ceases work, subject to the following exceptions: (1) The direct contractor’s or original subcontractor’s liability continues for work provided up to and including the 10-day notice period and not beyond. (2) This subdivision does not limit liability for custom work, including materials that have been fabricated, manufactured, or ordered to specifications that are unique to the job.