Arizona Statute of Limitations for Personal Injury Claims 2026 Guide

Most Arizona personal injury lawsuits must generally be filed within two years after the claim accrues (A.R.S. § 12-542), with exceptions. Claims against a city, county, state agency, or other public entity generally require a written notice of claim within 180 days after the claim accrues, including a specific settlement amount (A.R.S. § 12-821.01), and a lawsuit within one year (A.R.S. § 12-821). This guide explains how the general rule works and the exceptions that can change it.

Understanding Arizona's Two-Year Rule

The foundation of Arizona personal injury law centers on Arizona Revised Statutes § 12-542, which establishes a two-year limitation period for most personal injury claims. This deadline applies to a broad range of cases, including motor vehicle accidents, slip and fall incidents, product liability claims, and premises liability cases.

In Arizona, a claim generally accrues when the injured person knows, or reasonably should know, of the injury and what caused it. In a typical car crash, that is usually the date of the crash. When an injury or its cause is not immediately apparent, the accrual date can be disputed, which is one reason to treat the crash date as the working deadline.

For example, if someone is injured in a car crash on January 15, 2026, the lawsuit generally must be filed by January 15, 2028, regardless of when medical treatment ends or how insurance negotiations are going. Settlement discussions with insurance carriers do not pause or extend the statutory deadline.

Practical Implications of the Filing Deadline

Arizona courts apply the statute of limitations strictly, and a claim filed after the deadline can be dismissed without consideration of its merits. That is a reason to consult a lawyer well before the two-year mark.

The statute requires actual filing of the lawsuit, not merely sending a demand letter or beginning settlement negotiations. Insurance companies understand these deadlines and sometimes use delay tactics to run out the clock on potential claims.

Medical Malpractice Claims and the Discovery Rule

Medical malpractice claims are also subject to the two-year period in A.R.S. § 12-542. The claim generally accrues when the patient knew, or reasonably should have known, of the injury and that it may have been caused by negligent care.

This discovery rule acknowledges that patients often cannot immediately tell whether an outcome resulted from negligent care or from a non-negligent complication. When accrual is disputed, courts look at what the patient knew or reasonably should have known, and when.

Burden of Proof for Discovery Rule Application

When the discovery rule is disputed, courts examine factors such as the symptoms the patient experienced and the information available from treating providers. The answer is fact-specific.

Special Rules for Minors and Incapacitated Individuals

Arizona law provides extended protection for accident victims who cannot protect their own legal interests due to age or mental incapacity. Under Arizona Revised Statutes § 12-502, the statute of limitations does not begin running against minors until they reach their 18th birthday.

This means a child injured at age 10 would generally have until their 20th birthday to file a personal injury lawsuit. Claims against public entities follow their own rules, so those deadlines should be checked separately.

Mental Incapacity Provisions

Under A.R.S. § 12-502, the limitation period can also be tolled while a person entitled to bring the claim is of unsound mind. Whether that applies is fact-specific.

Exceptions and Tolling Circumstances

Beyond the major exceptions for minors and incapacitated individuals, Arizona law recognizes several other circumstances that can pause or extend limitation periods.

Defendant's Absence from Arizona

If the person responsible for an injury leaves Arizona and cannot be served with legal process, the statute of limitations may be tolled during their absence. However, this exception requires showing that the defendant's departure makes service of process impossible, not merely inconvenient.

Fraudulent Concealment

When defendants actively conceal their wrongdoing or prevent discovery of the injury through fraudulent conduct, Arizona courts may apply equitable tolling principles. This exception requires clear evidence of deliberate concealment beyond merely failing to admit liability.

Wrongful Death Claims

Arizona wrongful death claims operate under their own statutory framework, with Arizona Revised Statutes § 12-542 establishing a two-year limitation period. However, this deadline runs from the date of death, not the date of the injury that ultimately caused death.

This distinction becomes important in cases where someone suffers injuries but dies weeks or months later from complications. The wrongful death limitation period begins when death occurs, potentially providing additional time compared to a standard personal injury claim.

Claims Against Public Entities

Claims against a city, county, state agency, or other public entity, such as a crash involving a government vehicle or a dangerous public road condition, follow a shorter track. They generally require a written notice of claim within 180 days after the claim accrues, including a specific settlement amount (A.R.S. § 12-821.01), and a lawsuit within one year (A.R.S. § 12-821). The one-year lawsuit deadline is not counted from the notice. Exceptions apply, including for minors.

Practical Steps for Preserving Legal Rights

Courts generally do not excuse a missed deadline because of unfamiliarity with the law. Consulting a lawyer early helps ensure that the applicable deadlines, including any public-entity notice deadline, are identified and met.

Insurance settlement negotiations can continue even after filing a lawsuit, but waiting until the limitation period expires eliminates any leverage accident victims might have had in those discussions. Insurance companies have no incentive to offer fair settlements once they know claimants have lost their right to pursue court action.

Documentation preservation becomes critical during the limitation period. Medical records, accident reports, witness statements, and physical evidence should be gathered and preserved promptly to support eventual legal proceedings.

Frequently Asked Questions

What happens if someone files a personal injury lawsuit one day after the statute of limitations expires?

The defendant can ask the court to dismiss the case as time-barred, and courts generally grant that request unless an exception, such as tolling or a later accrual date, applies. The claim's merits typically do not matter once the deadline has passed.

Can insurance settlement negotiations extend the statute of limitations deadline?

No, settlement discussions do not pause or extend Arizona's statute of limitations. Accident victims must file their lawsuits within the prescribed time limits regardless of ongoing insurance negotiations. However, lawsuits can be dismissed if settlements are reached after filing.

How does the statute of limitations apply to injuries that worsen over time?

The limitation period generally runs from when the claim accrues, which is usually when the injured person knew or reasonably should have known of the injury and its cause, not when symptoms later worsen. Whether a later-discovered harm changes the analysis is fact-specific and should be reviewed by a lawyer promptly.