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Cal. Evidence Code § 623 (2026)

✓ current as of May 2026
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Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct, permitted to contradict it.

Notes of Decisions
Cited in 87 cases (10 in the last 5 years), 1968–2025 · leading case: Moncada v. West Coast Quartz Corp. CA6, 37 I.E.R. Cas. (BNA) 568 (Cal. Ct. App. 2013).
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Moncada v. West Coast Quartz Corp. CA6, 37 I.E.R. Cas. (BNA) 568 (Cal. Ct. App. 2013). · cites it 4× “‟ (Evid. Code, § 623; [citation].) The doctrine is defensive in nature only, and „operates to prevent one [party] from taking an unfair advantage of 6 Evidence Code section 623 provides, “Whenever a party has, by his own statement or conduct, intentionally and deliberately led…”
Steven A. v. Rickie M., 823 P.2d 1216 (Cal. 1992). · cites it 2× “Under those circumstances, if established by a preponderance of evidence in court, I would estop the mother and the proposed adoptive parents from denying that the biological father had assumed the status of a presumed father. These are paradigm circumstances for the imposition…”
Minish v. Hanuman Fellowship, 78 Cal. Comp. Cases 107 (Cal. Ct. App. 2013). · cites it 2× “” Given plaintiff’s testimony that (1) the workers’ compensation benefits were initiated by defendants, (2) she did not think she was properly within the system, and (3) she tried to return the money she had received, defendants reasonably cannot argue there were no triable…”
State Comp. Ins. Fund v. Workers' Comp. Appeals Bd., 706 P.2d 1146 (Cal. 1985). · cites it 2× “"Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct, permitted to contradict it.”
Feduniak v. California Coastal Comm'n, 2007 Cal. Daily Op. Serv. 3248 (Cal. Ct. App. 2007). “” 8 Evidence Code section 623, which codifies the doctrine, provides, “Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of…”
Twenty-Nine Palms Enter. Corp. v. Bardos, 210 Cal. App. 4th 1435 (Cal. Ct. App. 2012). “Cadmus relies on the following rule: “Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct,…”
Hoopes v. Dolan, 168 Cal. App. 4th 146 (Cal. Ct. App. 2008). “” (Evid. Code, § 623.) *162 While the statutory formulation might suggest that equitable estoppel is limited to situations amounting to fraud (intentionally and deliberately misleading another), estoppel “has not been so narrowly applied.”
Ryder v. Lightstorm Ent. CA2/8, 246 Cal. App. 4th 1064 (Cal. Ct. App. 2016). “(Evid. Code, § 623 [“Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct, permitted to contradict…”
Honeywell v. Workers' Comp. Appeals Bd., 105 P.3d 544 (Cal. 2005). “” (Evid. Code, § 623.) “ ‘Generally speaking, four elements must be present in order to apply the doctrine of equitable estoppel: (1) the party to be estopped must be apprised of the facts; (2) he must intend that his conduct shall be acted upon, or must so act that the party…”
In re Lua, 529 B.R. 766 (Bankr. C.D. Cal. 2015). · cites it 2× ““Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct, permitted to contradict it.”
Blix Street Records, Inc. v. Cassidy, 191 Cal. App. 4th 39 (Cal. Ct. App. 2010). “Code, § 623 [“Whenever a party has, by his own statement or conduct, intentionally and deliberately led another to believe a particular thing true and to act upon such belief, he is not, in any litigation arising out of such statement or conduct, permitted to contradict it”].”
Niles Freeman Equip. v. Joseph, 74 Cal. Rptr. 3d 690 (Cal. Ct. App. 2008). “’ (Evid. Code, § 623.) The essential ingredients of an estoppel are (1) the party to be estopped must be apprised of the facts; (2) he must intend that his conduct be acted upon, or must so act that the other party has a right to believe that it was so intended; (3) the other…”
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