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If your car accident in Arizona was 18, 22, or 23 months ago, the question you’re really asking isn’t “how long do I have?” It’s “is it too late?” The short answer: probably not, but you’re running out of room, and the Arizona statute of limitations for car accident claims is only one of four deadlines that may already be ticking. Most articles on this topic stop at “you have 2 years.” That’s the start of the answer, not the end.
Here’s what you’ll learn below: exactly what the 2-year rule means under A.R.S. § 12-542, what counts as “filing” (it’s not what most people think), how insurance deadlines run on a completely separate clock, the three big exceptions that can extend or shorten your time, and what to do if you’re getting close to the wire.
Under A.R.S. § 12-542, an injured person has 2 years from the date of the accident to file a personal injury lawsuit in Arizona. Two years. Not two years and a day. The clock starts on the date of the collision in almost every standard car accident matter.
That same 2-year window applies whether the injuries are minor whiplash or a traumatic brain injury. It applies whether the suit is against the at-fault driver, their employer (for a company vehicle), or a negligent third party like a rideshare company. The deadline is the deadline.
What it doesn’t do: pause because someone is still in treatment, pause because negotiations are ongoing with the insurance company, or pause because the adjuster said “we’ll get this resolved soon.” Adjusters are not the court. The court doesn’t care what the adjuster said.
This is where competitor articles leave readers exposed. “Filing” does not mean sending a demand letter to the insurance company. It does not mean reporting the accident. It does not mean hiring an attorney.
Under Arizona Rule of Civil Procedure 3, “filing” means delivering a complaint to the court clerk and having it stamped in before the 2-year date. Service of process on the defendant (handing them the lawsuit) can happen after the deadline, as long as the complaint was timely filed and service follows within the time the rules allow.
The mistake we see: someone calls a lawyer at month 23, thinking they have a month left. They do, technically, but drafting a complaint, identifying the correct defendants, confirming insurance coverage, and getting the filing to the clerk in time is a real scramble. Files get turned away at intake when the deadline is days away because there isn’t time to do the work properly.
The 2-year statute of limitations applies to filing a lawsuit. It does not apply to filing an insurance claim. Insurance claims run on contractual deadlines set by the policy, and those deadlines are often dramatically shorter than 2 years.
Common contractual deadlines hidden in policies:
– Prompt notice of loss. Many policies require notice of an accident “as soon as practicable,” interpreted in days, not months.
– Cooperation clauses. Failure to respond to the carrier’s requests can void coverage.
– Uninsured and underinsured motorist (UM/UIM) claims. Under A.R.S. § 20-259.01 and the policy contract, UM/UIM claims are subject to whatever notice the policy requires. Some carriers want notice within days of the accident. Miss it and the insurer may deny the claim, even when the lawsuit SOL is still wide open.
– Medical payments (MedPay) coverage. Often has 1-year or shorter submission deadlines for bills.
In short: the 2-year SOL is the latest legal backstop. The insurance contract may have already barred a claim long before that. Treat policy deadlines as the real deadline, not the statute.
Arizona recognizes the “discovery rule” for personal injury matters. The clock starts when the injury was, or reasonably should have been, discovered, not necessarily the date of the accident.
In standard car accidents, the discovery rule rarely helps because the injury is obvious from day one. Where it can matter: traumatic brain injuries with delayed symptom onset, internal injuries diagnosed weeks later, or aggravation of a pre-existing condition that wasn’t clearly accident-related until further diagnosis.
Be careful here. Arizona courts apply the discovery rule narrowly. “I didn’t realize how bad it was” doesn’t extend the deadline. “I had no reason to know I was injured at all until my MRI 14 months later” might. This is a fact-specific argument, and not one anyone wants to make from a position of having already filed late.
If the injured person was under 18 at the time of the accident, A.R.S. § 12-502 tolls (pauses) the statute of limitations until their 18th birthday. From there, the clock starts and they have 2 years to file. So a child injured at age 10 has until age 20 to file suit.
A few practical notes:
– The tolling protects the minor’s claim, not the parents’. If parents have their own claim (for medical expenses paid, for example), that claim is subject to the standard 2-year SOL from the accident date.
– Settlements involving minors require court approval through a separate process. Plan for extra time.
Here’s the deadline that catches the most people off guard. If the at-fault driver was operating a government vehicle (city of Phoenix police cruiser, ADOT truck, Valley Metro bus, county or municipal employee on the job, public school van), A.R.S. § 12-821.01 requires a notice of claim served on the public entity within 180 days of the accident.
Not 2 years. 180 days. Roughly six months.
Miss it and the claim is barred entirely, regardless of how strong the underlying facts are. The notice has specific content requirements (a sum certain demand, factual basis, supporting facts) and must be served on the correct officials. This is one of the cleanest ways a strong claim gets killed before it starts.
If anyone was hit by anything that even might be a government vehicle, treat the 180-day clock as the real deadline.
Wrongful death claims in Arizona run under A.R.S. § 12-542(2), with a 2-year limit measured from the date of death, not the date of the accident.
This matters when someone is critically injured and survives for weeks, months, or longer before passing. The personal injury claim and the wrongful death claim are separate, with separate deadlines. A spouse or statutory beneficiary filing a wrongful death claim 2.5 years after the crash may still be timely if the death occurred within the last 2 years. The deadlines do not merge.
The short version: the matter is over. Not weaker, not harder, over.
Once the statute of limitations runs:
– A defendant will move to dismiss, and the court will grant it. There is no judicial discretion to forgive a missed SOL absent a recognized tolling exception.
– Insurance carriers know the deadline as well as anyone. The day after, settlement offers vanish. There is no longer leverage because there is no longer a viable lawsuit.
– Fault arguments become irrelevant. Arizona uses Arizona’s pure comparative negligence rule, where a jury can reduce recovery by a plaintiff’s percentage of fault but cannot eliminate it entirely. Filing late forfeits the right to have a jury assign fault percentages at all. The claim is barred, no matter who caused the crash.
– Medical liens still get collected. Health insurers, MedPay carriers, and providers who treated on a lien may still pursue the patient personally. The source of recovery that was supposed to pay them is gone.
There is no appeal. There is no second chance. The statute is unforgiving by design.
Two years feels like plenty of time. It isn’t, for one practical reason: serious injury claims need treatment to reach maximum medical improvement (MMI) before a meaningful demand can be made, and they need pre-suit investigation, records collection, lien negotiation, and demand response before filing.
A realistic timeline for a moderate-injury matter:
– Months 0-9: Active treatment, diagnostics, MMI assessment.
– Months 9-12: Records and bills compilation, lien identification.
– Months 12-15: Demand package, insurance evaluation.
– Months 15-21: Negotiation, mediation if needed.
– Months 21-24: File suit only if pre-suit fails.
That’s a tight schedule. Matters involving multiple defendants, disputed liability, surgeries, or government entities need to be in an attorney’s hands by month 6 to 12 at the latest. Walking in at month 22 doesn’t leave time to negotiate; it leaves time to file and hope.
For a crash across the state line in New Mexico, the rules change. Under NMSA § 37-1-8, New Mexico personal injury claims have a 3-year statute of limitations, measured from the date of injury.
But New Mexico’s government notice rule is shorter and stricter. Under NMSA § 41-4-16, claims against state or local government entities require a written notice of claim within 90 days. Half the time Arizona gives you. If a New Mexico state trooper, county sheriff, or municipal vehicle was involved, the 90-day clock controls.
We handle New Mexico car accident claims along the I-40 corridor and across the state. Cross-border matters are common; the deadlines aren’t interchangeable. Know which state’s rules apply to the crash.
If the accident was within the last few months, there’s time to do this properly. Inside the last 90 days, the priority list changes:
If the accident was close to 2 years ago: (602) 345-1818. We’ll give a straight answer on whether the matter can still be filed, what the realistic timeline looks like, and what the four overlapping deadlines actually require on the specific facts.
No. Ongoing medical treatment does not toll the statute of limitations in Arizona. The clock runs from the accident date regardless of whether MMI has been reached. This is why high-value matters need to be in legal hands well before treatment ends, so a lawsuit can be filed protectively if negotiations stall.
A.R.S. § 12-501 tolls the statute of limitations while the defendant is absent from Arizona, in limited circumstances. In practice, with modern service rules and long-arm jurisdiction, this exception rarely extends the deadline meaningfully. Don’t rely on it.
No. Filing an insurance claim has no effect on the lawsuit deadline. Settlement negotiations, demand letters, recorded statements, and adjuster phone calls do not toll the statute. Only filing a complaint with the court before the 2-year date preserves the right to sue.
Arizona uses pure comparative negligence, so partial fault reduces recovery but does not bar it. However, that protection only matters when the filing is on time. A missed SOL ends the matter entirely, regardless of fault percentages.
Property damage claims in Arizona also have a 2-year deadline under A.R.S. § 12-542. Bodily injury and property damage claims arising from the same accident generally run on the same clock, though they can be pursued separately.
A tolling agreement (signed by the carrier or defendant) can extend the deadline by contract, but carriers rarely sign them in standard matters. Don’t ask for one; file on time. If a carrier offers tolling, an attorney should review the language before anyone signs anything.
If you’re not sure whether the Arizona statute of limitations for your car accident has expired, or you’re close to the edge, a 20-minute call settles it. We handle matters across the Phoenix metro service areas and into New Mexico, and we’ll tell you honestly whether the claim can still be filed and what needs to happen next.
Free case review with Jared J. Pehrson. We answer 24/7: (602) 345-1818.
By Jared J. Pehrson | Impact Legal Car Accident Attorneys
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