US-CaliforniaWhat is California's standard for negligence in a personal injury case?
In California, negligence requires proving the defendant owed a duty of care, breached that duty, and that the breach caused foreseeable harm resulting in damages.
What the Law Says
California law defines negligence through common law principles established by courts, not a single statute. The elements are grounded in case law interpreting duties of care and standards of conduct.
To win a negligence claim in California, you must prove four elements: (1) the defendant owed you a legal duty of care; (2) the defendant breached that duty; (3) the breach was the actual and proximate cause of your injury; and (4) you suffered actual, compensable damages.
The duty of care is generally defined as the obligation to act as a reasonably prudent person would under similar circumstances. Breach occurs when conduct falls below that standard. Causation has two parts: 'but-for' (actual) cause and 'proximate' (legal) cause — meaning the harm must have been a foreseeable result of the breach.
California does not codify the negligence standard in a single statute, but Civil Code § 1714(a) articulates the foundational principle: 'Everyone is responsible, not only for the result of his or her willful acts, but also for an injury occasioned to another by his or her want of ordinary care or skill in the management of his or her property or person.'
Statutory TextEveryone is responsible, not only for the result of his or her willful acts, but also for an injury occasioned to another by his or her want of ordinary care or skill in the management of his or her property or person.
— Cal. Civ. Code § 1714(a) — General Principle of Responsibility
What Courts Have Said
California courts have consistently applied and refined the four-element negligence framework across decades of case law.
Established the modern duty-of-care analysis, rejecting rigid categories and directing courts to weigh factors like foreseeability, certainty of injury, and moral blame to determine whether a duty exists.
Reaffirmed that foreseeability is central to both duty and proximate cause, holding that a defendant is not liable for injuries resulting from third-party criminal acts unless those acts were reasonably foreseeable.
What to Do
Identify the specific conduct that allegedly caused your injury.
Gather evidence showing the defendant’s duty (e.g., driver, property owner, professional) and how their actions fell below reasonable care.
Document all injuries and losses (medical records, bills, wage statements).
File your claim within California’s 2-year statute of limitations for personal injury (Code Civ. Proc. § 335.1).
Consult a California personal injury attorney to assess duty, breach, causation, and damages.
Sources
Not legal advice. This article is general information based on publicly available sources, written for educational purposes. Laws change and individual situations vary. Consult a licensed attorney in your jurisdiction before acting on anything you read here. Last reviewed: 2026-06-08.