Cal. Civ. Code § 19 : —CALIFORNIA CIVIL CODEPRELIMINARY PROVISIONS — Constructive notice of fact itself TEXT PDF Every person who has actual notice of circumstances sufficient to put a prudent person upon inquiry as to a particular fact has constructive notice of the fact itself in all cases in which, by prosecuting such inquiry, he or she might have learned that fact. Ca. Civ. Code § 19 Amended by Stats 2017 ch 561 (AB 1516),s 15, eff. 1/1/2018.