Civil Code section 1605

Any benefit conferred, or agreed to be conferred, upon the promisor, by any other person, to which the promisor is not lawfully entitled, or any prejudice suffered, or agreed to be suffered, by such person, other than such as he is at the time of consent lawfully bound to suffer, as an inducement to the promisor, is a good consideration for a promise.

Source: Section 1605, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=CIV§ionNum=1605.­ (accessed Dec. 29, 2025).

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Verified:
Dec. 29, 2025

§ 1605's source at ca​.gov