California Codes, Civil Code - CIV, Division 2 — Property, Part 4 — Acquisition of Property, Title 3 — Accession, Chapter 2 — Accession to Personal Property, Section 1028
If one makes a thing from materials belonging to another, the latter may claim the thing on reimbursing the value of the workmanship, unless the value of the workmanship exceeds the value of the materials, in which case the thing belongs to the maker, on reimbursing the value of the materials.
Notes
Allows the owner of materials used by another to make a thing to claim the finished thing by reimbursing the maker for workmanship, unless the workmanship is worth more than the materials; in that case, ownership belongs to the maker, who must reimburse the material owner for their value.
Use as reference
Lexinter.net | California Code, Civil Code - CIV § 1028 | https://laws.lexinter.net/codes/california/civil-code/division-2/part-4/title-3/chapter-2/section-1028