In this guide
An at-fault accident can raise your car insurance premium for about three years, according to the Insurance Information Institute (Triple-I), though the exact length, the size of the increase, and the claim amount that triggers it vary by insurer and state. Not-at-fault accidents often have less effect, but they can still matter in some situations. Knowing how the timeline works helps you plan, shop, and avoid surprises at renewal.
Key takeaways
- Triple-I says increases after an at-fault claim above a certain amount generally last for three years.
- The size of the increase and the lookback period vary by company, so there's no single answer.
- Fault matters: not-at-fault claims are often treated differently from at-fault ones.
- Always report an accident, even a minor one, as late reporting could jeopardize your coverage.
- Accident forgiveness, comparison shopping, and a clean record afterward may help over time.
The short answer: usually about three years
Triple-I explains that insurers typically add a percentage increase after a claim above a certain amount for an incident that is primarily your fault, and that increases generally stay on your premium for three years. It adds that the amounts, percentages, and ceilings differ from company to company.
The NAIC's consumer guidance says insurers can raise premiums by as much as 40 percent after an accident, though that's a ceiling-type figure from one source, not a typical or guaranteed amount. Your own change could be smaller, larger, or none.
In practice, you may see the effect at your next renewal, or when you shop with a new insurer who sees the accident on your claims history report. Three years is a good planning number, but check with your insurer for yours.
What decides how big the increase is
| Factor | Why it matters |
|---|---|
| Fault | At-fault claims usually draw surcharges; not-at-fault claims often don't, though practices vary |
| Claim amount | Many insurers apply a surcharge only above a dollar threshold |
| Injuries | Claims with injuries are usually larger, and may weigh more |
| Prior record | Earlier claims or violations can raise the effect |
| Insurer rules | Surcharge size, length, and forgiveness programs differ |
| State rules | Some states limit surcharges or set rules on fault determination |
For more on the rating factors involved, see how insurers calculate your car insurance rate.
At-fault vs. not-at-fault accidents
Fault is usually decided by the insurer's investigation, police reports, and state rules. In some places, fault is shared by percentage. Depending on your state and insurer:
- At-fault. You're mostly or fully responsible. A surcharge is common.
- Not-at-fault. Another driver is responsible. Some insurers don't surcharge these, though a few claims in a short time may still draw attention.
- Shared fault. The treatment depends on your share and insurer rules.
Disputes over who was at fault can change the outcome, so keep records. See what to do after a car accident, how to dispute a car insurance claim decision, and at-fault vs. no-fault states for how fault works.
Good to know: Triple-I's article on premiums after a claim doesn't distinguish between claim types beyond at-fault incidents above a threshold. If you want to know how your insurer treats not-at-fault or comprehensive claims, ask them directly.
A rough timeline
This is a general illustration, not a promise. Your insurer's schedule may differ.
- Accident and claim. You report it and the claim is paid or settled.
- Next renewal. The surcharge may start, or a discount like claims-free may be removed.
- Years 1 to 3. The surcharge generally continues, per Triple-I.
- After about three years. The surcharge may fall off, if you have no new claims or violations.
- Beyond. Some insurers or reports may keep older information longer, and some serious incidents have longer effects.
Claims also appear in industry databases that insurers check when you shop. The retention periods of those reports and your state's rules govern what a new insurer can see. Your state insurance department can explain your rights to see and dispute report information.
Reporting the accident
Triple-I advises always reporting an accident, even a minor one, since late reporting could jeopardize your coverage. If someone else is hurt or the other driver later files a claim, a missing report can cause bigger problems than the surcharge itself. If you're debating whether to file a claim on a small loss, a licensed agent or your insurer can explain how your policy works. Reading how car insurance claims work may also help.
Also keep your deductible in mind: if the damage to your car is near the deductible, a claim may pay little.
Accident forgiveness
The NAIC describes accident forgiveness as an arrangement where the insurer agrees not to raise your premium after an at-fault accident. It's sometimes included in a policy for loyal customers, sold as an add-on, or offered to new customers or parents of teen drivers. Eligibility is typically based on loyalty and driving record, terms vary, and some policies forgive one accident while others forgive more.
The NAIC notes safe drivers who pay standard rates may not benefit, depending on the cost, while drivers with violations may save over time. Compare the price against the potential surcharge.
What you can do after an accident
- Ask your insurer about the surcharge. How big is it, and how long will it last?
- Compare quotes from several insurers at renewal. Companies weigh accidents differently, so a new insurer may rate you differently.
- Check discounts. A defensive driving course or telematics program may qualify. See car insurance discounts: a complete checklist.
- Keep your record clean. A violation-free stretch helps, and tickets can add to the effect. See how speeding tickets and violations affect car insurance.
- Review your coverage only to match your needs, not to cut protection to save money. See why did my car insurance go up?
If an insurer declines to renew you after a serious accident or multiple incidents, ask about your state's rules and your options. See high-risk car insurance.
Frequently asked questions
Will my rates go up if the accident wasn't my fault?
Often less likely, but it depends on the insurer and state. Ask how your insurer treats not-at-fault claims, and keep documentation of what happened.
Do I have to report a minor accident?
Triple-I advises always reporting accidents, even minor ones, because late reporting could jeopardize your coverage. Your policy may also require prompt notice.
Is it three years everywhere?
No. Three years is the general Triple-I figure for surcharges after at-fault claims. Individual insurers and states may use different periods.
Does a comprehensive claim raise my rates?
It may or may not, depending on the insurer. Comprehensive claims, like hail or theft, are often treated differently from at-fault crashes. Ask your insurer.
Does switching insurers wipe out the accident?
No. A new insurer typically checks your claims history and driving record. It may rate the accident differently, though, which is why comparing quotes can help.
Sources
- Insurance Information Institute – Do auto insurance premiums go up after a claim?
- NAIC – The Time to Get Smart about Accident Forgiveness
- NAIC – "Declarations" of Saving
- California Department of Insurance – What They Don't Teach You in High School
General information only. This guide explains general concepts and is not insurance, legal or financial advice. Rules and prices vary by state and insurer. Check your policy documents and speak to a licensed insurance professional or your state insurance department about your situation.