How long you can claim after a car accident depends on what kind of claim it is. A lawsuit for injuries generally has to be filed within one to six years, with two or three years being the most common. Property damage often runs on a separate, sometimes longer, clock. Insurance claims have to be reported much sooner, often within days. Government claims can require written notice in as little as 30 days. Wrongful death and federal claims each follow their own rules. Miss any of these deadlines and, in most cases, your right to compensation is gone for good.
Deadlines to File a Lawsuit
Every state sets a maximum window for filing a personal injury lawsuit after a car accident. The shortest is one year, which applies in a handful of states. The longest is six years. Most states fall somewhere between two and three. Once that window closes, no amount of evidence or severity of injury will get your case into court.
Property damage claims often run on a separate clock. A state might give you two years to sue for injuries but three, four, or even five years to sue for damage to your vehicle. The reverse happens occasionally. If you’re dealing with both injuries and a wrecked car from the same crash, treat them as two deadlines and track the shorter one first. You could still have a valid property damage claim after your injury deadline has passed.
When the Clock Starts
For most car accidents, the statute of limitations starts running on the date of the crash. Rear-ended on March 15 in a two-year state? You generally have until March 15 two years later to file suit.
The exception is injuries that don’t show up right away. Under the “discovery rule,” the clock starts whenever you first knew or reasonably should have known about the injury. Soft tissue damage, herniated discs, and internal injuries sometimes take weeks or months to produce symptoms. Someone who walks away from a collision feeling fine but gets diagnosed with a spinal injury three months later may have the clock start from the diagnosis date rather than the accident date.
The phrase that matters is “reasonably should have known.” If you had persistent back pain for a year and never saw a doctor, a court might decide a reasonable person would have sought treatment sooner and start the clock earlier than your eventual diagnosis. The rule protects people with genuinely hidden injuries, not people who delay care.
Exceptions That Can Pause the Deadline
Certain circumstances can pause (“toll”) the statute of limitations, extending your time to file. The exceptions are narrow and vary by state, but a few apply broadly.
Minors
If the injured person is under 18 at the time of the accident, the statute of limitations is typically tolled until they turn 18. The full filing window then begins on their 18th birthday. In a state with a two-year deadline, a child injured at age 10 would have until age 20 to file. Parents or guardians can still file on the child’s behalf earlier, and often should, but the legal deadline itself is extended.
Mental Incapacity
If a person is legally declared mentally incapacitated at the time of the accident, most states pause the statute of limitations until the incapacity is resolved. Someone who cannot understand or manage legal proceedings shouldn’t lose their rights because they couldn’t act in time.
Active Military Service
Under the Servicemembers Civil Relief Act, time spent on active duty does not count toward any statute of limitations. If a servicemember is injured and then deployed or otherwise on active duty, the filing clock pauses for the entire period of service. Deployment overseas is not required. Full-time active duty of any kind triggers the protection, and the servicemember does not have to prove that military service actually prevented them from filing.
Absent Defendant
If the at-fault driver leaves the state or actively hides to avoid being served, many states toll the statute of limitations for the period of absence. You shouldn’t lose your right to sue because the other party made themselves unreachable.
Insurance Claim Deadlines
The courthouse clock and the insurance clock are two different things, and the insurance clock is almost always shorter. Your auto policy is a contract that sets its own reporting rules, independent of any lawsuit filing deadline.
Reporting to Your Own Insurer
Most auto policies require you to report an accident “promptly” or within a “reasonable time.” Some specify a few days. Others use vague language that lets the insurer decide what counts as timely. The safest practice is to report within 24 to 48 hours. Waiting weeks or months gives your insurer an argument to deny the claim outright, on the theory that your delay prevented them from investigating while evidence was fresh.
The same logic applies when filing a claim against the other driver’s insurer. There’s no legal rule requiring notice within a specific number of hours, but delays hurt your credibility and give the adjuster room to challenge your version of events.
Uninsured and Underinsured Motorist Claims
If the at-fault driver has no insurance or not enough, you may need to file under your own uninsured or underinsured motorist (UM/UIM) coverage. Courts in many states treat these as contract disputes rather than personal injury claims. That distinction matters because the statute of limitations for contract claims can be longer or shorter than the personal injury deadline, depending on where you live. Read your policy carefully — some impose their own filing deadlines shorter than either statute.
No-Fault and PIP Claims
About a dozen states use a “no-fault” insurance system that requires you to file a personal injury protection (PIP) claim with your own insurer before suing the other driver. PIP claims come with their own deadlines for getting medical treatment, submitting bills, and notifying the insurer. These windows can be tight. In some states, medical providers must submit charges within a matter of weeks or the insurer can refuse to pay. In a no-fault state, missing the PIP deadline risks both your insurance benefits and your right to sue.
Accidents Involving a Government Vehicle or Employee
Accidents involving government vehicles or employees follow different rules, and the deadlines are almost always shorter and less forgiving than standard claims.
State and Local Government
Before suing a city, county, or state, you must first file a formal written “notice of claim” with the responsible agency. This is mandatory. Skip it, and you lose the right to sue entirely, no matter how strong your case is.
The notice deadlines are aggressive. Depending on the jurisdiction, you may have as little as 30 days or as long as a year, but 90 to 180 days is common. The notice usually has to include specific information: when and where the accident happened, what injuries you suffered, and how much compensation you’re seeking. Requirements vary by jurisdiction, and getting even one detail wrong can invalidate the notice.
This is where most people lose government accident claims. They assume the normal statute of limitations applies, spend months recovering, and only learn about the notice requirement after it’s too late.
Federal Government
If the accident involved a federal employee acting within the scope of their job, the Federal Tort Claims Act controls your options. You cannot go straight to court. You must first file an administrative claim with the federal agency involved, using Standard Form 95, within two years of the accident.1Office of the Law Revision Counsel. United States Code Title 28 – 2401 Time for Commencing Action Against United States The claim has to state a specific dollar amount. Leaving the amount blank or writing “to be determined” makes it invalid and can forfeit your rights.2General Services Administration. Standard Form 95 Claim for Damage, Injury, or Death
Once the agency receives your claim, it has six months to respond. If the agency denies it, you have six months from the denial to file suit in federal court. If the agency never responds, you can treat the silence as a denial after six months and file at that point.3Office of the Law Revision Counsel. United States Code Title 28 – 2675 Disposition by Federal Agency as Prerequisite; Evidence That six-month lawsuit window is a hard cutoff. Miss it and the claim is permanently barred.1Office of the Law Revision Counsel. United States Code Title 28 – 2401 Time for Commencing Action Against United States
Wrongful Death Claims
When a car accident kills someone, the surviving family faces a different statute of limitations than the one that would have applied to the victim’s injury claim. Wrongful death deadlines come from separate statutes and range from one to several years, depending on the state. In some places the wrongful death deadline is actually shorter than the personal injury deadline. The clock usually starts on the date of death, which may not be the same as the date of the accident if the victim survived for a period before dying from their injuries.
Only certain family members or an estate representative can bring a wrongful death claim. If you’ve lost someone in a crash, the filing deadline is one of the first things to pin down, because the window may be shorter than you’d expect.
What Happens If You Miss the Deadline
The consequences are straightforward and permanent. File a lawsuit after the statute of limitations has expired and the other side will ask the court to dismiss the case. The court will grant it. It doesn’t matter how clearly the other driver was at fault, how serious your injuries are, or how much evidence you have.
The same finality applies to government notice-of-claim requirements and the FTCA’s administrative window. These aren’t soft deadlines where a judge might grant an extension because you have a good reason. Outside the narrow tolling exceptions, courts enforce them mechanically.
If your deadline is approaching and you haven’t resolved the claim through insurance, filing a lawsuit preserves your rights even while you keep negotiating. Plenty of cases settle after suit is filed. The worst outcome is letting the deadline pass while waiting on an insurance company that has no reason to hurry.