California PI Statute of Limitations: The Complete 2026 Guide

Missing a statute of limitations is one of the most common causes of legal malpractice claims against personal injury attorneys. In California, the deadline rules are deceptively simple on the surface but riddled with exceptions that can shorten or extend filing windows depending on the defendant, the injury, and the plaintiff's circumstances. This guide covers the deadlines every California PI firm must track in 2026.

The Two-Year Baseline: CCP 335.1

California Code of Civil Procedure section 335.1 establishes the default: a two-year statute of limitations for personal injury claims, measured from the date of injury. This applies to the majority of negligence-based cases — car accidents, slip-and-fall incidents, dog bites, and most premises liability matters. Your intake team should use this as the starting calculation for every new file, then immediately check for exceptions.

Government Entity Claims: The Six-Month Trap

When a government entity is the defendant — a city bus, a state highway defect, a public school injury — the timeline compresses dramatically. Under Government Code section 945.4, a plaintiff must first file an administrative claim with the responsible agency. The deadline to present that claim is generally six months from the date of the incident. Miss it, and the underlying lawsuit is barred before it ever begins. This is the single most dangerous deadline in California PI practice because it arrives while treatment is still in its early stages and most clients have not yet retained counsel.

Build a mandatory intake field for incident location and agency involvement. Any mention of a public bus, city sidewalk, county hospital, or government vehicle should trigger immediate attorney review.

Medical Malpractice and MICRA

Medical malpractice claims in California fall under the Medical Injury Compensation Reform Act (MICRA). The statute of limitations is one year from the date the plaintiff discovers (or should have discovered) the injury, with an absolute outer limit of three years from the date of the negligent act. MICRA also imposes special damages caps and other procedural requirements that affect case evaluation from intake forward. If your PI firm handles med-mal referrals, MICRA deadlines must be tracked independently from standard CCP 335.1 calculations.

The Discovery Rule

Not every injury is immediately apparent. California's discovery rule provides that the statute of limitations begins to run when the plaintiff discovers, or through reasonable diligence should have discovered, the injury and its negligent cause. This comes up frequently in toxic exposure, defective product, and latent medical injury cases. However, courts scrutinize discovery-rule arguments carefully. The safest approach is to calendar the earliest plausible deadline based on known facts and treat the discovery rule as a fallback argument, not a primary strategy.

Tolling for Minors

When the injured party is a minor, the statute of limitations is generally tolled until the minor turns 18, at which point the standard two-year period begins. For government claims involving minors, special rules may extend the administrative claim deadline as well. Every tolling adjustment in your case management system should include the legal basis, the minor's date of birth, and attorney sign-off. Tolling is valuable when valid but dangerous when applied casually or without documentation.

Why a Missed SOL Equals Malpractice

A missed statute of limitations does not just kill a case — it creates malpractice exposure for the attorney. The client had a viable claim, retained counsel, and the claim was extinguished through inaction. California malpractice insurers consistently report SOL failures as one of the top claim categories for PI practitioners. The cost is not just the malpractice payout; it is the reputational damage, the bar complaint risk, and the loss of client trust.

The fix is systematic, not heroic. Implement automated SOL tracking with 90/60/30/14-day alerts, require attorney-confirmed deadline review within seven days of intake, and run monthly deadline audits for every active file. Firms that treat SOL management as infrastructure — not individual memory — eliminate the most catastrophic risk in PI practice.