Car Insurance After an Accident in California: What Actually Happens to Your Rate?

By the Candice Salcedo Insurance Team · Reviewed by Candice Salcedo, Licensed CA Agent (Lic. #0G36007) · Updated August 31, 2026 · 8 min read · San Jose, CA

What actually happens to your car insurance after an accident in California?

The short answer: It runs through one legal test. Under California regulation, an insurer can only count an accident against you if you were "principally at fault" — at least 51% the legal cause — and the crash caused injury or death, or more than $1,000 in total property damage. Fail either half of that test and the accident can't be used to raise your rate or take your Good Driver Discount. Pass it, and the accident counts as a point on your driving safety record, typically for three years.

That test — spelled out in Title 10, Section 2632.13 of the California Code of Regulations — is why we won't give you a percentage. "Rates go up X% after an accident" is a national statistic about an average crash in an average state. California doesn't work that way: your driving safety record is the state's first mandatory rating factor under Proposition 103, and what goes on that record is governed by the rule above, not by whether you filed a claim or how your insurer feels about it.

So the honest answer is a decision tree with four branches, and which branch you're on decides everything.

The "principally at fault" test — and the presumptions in your favor

The short answer: Two conditions, both required: you were at least 51% the cause, and there was injury, death, or more than $1,000 in property damage (deductible included). California also presumes you were not at fault in specific situations — lawfully parked, rear-ended, hit by a reported hit-and-run, damaged by a falling object — and insurers must investigate before deciding, and must tell you the determination.

The details that matter:

• 51% is the line. A 50/50 crash isn't chargeable to either driver. Comparative fault below a majority isn't "principally" at fault.
• The $1,000 is total damage caused, not your claim. A property-damage-only fender-bender with $900 in total damage — your car, their car, the fence — can't be charged even if you were entirely at fault. Above $1,000 with no injuries, it counts as one point.
• Presumed not at fault: your car was lawfully parked; you were struck in the rear while lawfully stopped or driving; you were hit by a hit-and-run driver you reported to police; your car was damaged by a falling object or flying debris; the crash was caused by a hazardous road condition despite reasonable care. These are rebuttable, but the burden is on the insurer.
• Process rights. The insurer must investigate before making an at-fault finding, and must disclose the determination if you ask. If you think a finding is wrong, contest it in writing — with the police report, photos, and witness information.

Not-at-fault accidents are not free of paperwork — you may still need to file an SR-1 with the DMV within 10 days if there was injury or more than $1,000 in damage — but they can't touch your rating. Whether California is an at-fault state at all, and how that shapes claims, is in our at-fault vs. no-fault explainer.

The four branches: what each outcome does to your rate

The short answer: Not at fault — nothing. At fault but under the $1,000 threshold with no injuries — nothing. At fault, property damage only, over $1,000 — one point; you keep the Good Driver Discount if it's your only point. At fault with injury — the Good Driver Discount is gone for three years, and the repricing that follows is usually the biggest single premium event a clean-record driver ever sees.

1. Not principally at fault. No point, no rating impact, no effect on the mandated 20% Good Driver Discount. This includes the presumed-not-at-fault cases above. Your collision coverage still pays for your car, and your insurer pursues the other driver's insurer to recover.
2. At fault, under threshold. Property-damage-only and $1,000 or less in total damage. Not chargeable. The claim may sit in your history, but it can't be a point.
3. At fault, property damage only, over $1,000. One point on your driving safety record. The Good Driver statute allows up to one point, so if this is your only one, the 20% discount survives — though your rate can still move within the insurer's filed structure. Pair it with a visible speeding ticket, though, and you're at two points and out of the discount.
4. At fault with bodily injury or death. This is the expensive branch. A principally-at-fault accident with injury ends Good Driver eligibility on its own for three years, regardless of point count — and the loss of a mandated 20% discount plus the accident surcharge is a repricing of the whole policy, not a line item.

The overlap with tickets matters: points from violations and points from chargeable accidents live on the same record. A driver with one masked ticket and one property-damage accident is at one visible point. A driver with one visible ticket and one property-damage accident is at two. The ticket mechanics are in what a speeding ticket does to your rate.

Should you file a claim — or pay out of pocket?

The short answer: If anyone might be injured or another party is involved, report it — always; the exposure of an unreported injury claim dwarfs any premium concern. For a single-car, property-damage-only incident where the damage is close to your deductible, paying out of pocket can make sense — but note the chargeable threshold is about damage caused, not the claim amount.

Two things people get backwards. First, reporting an accident and filing a claim aren't the same thing. Most policies require you to report accidents involving other parties promptly; you can report without necessarily pursuing a claim on your own car. Second, not filing doesn't make an at-fault accident un-chargeable if the other party's insurer determines you caused more than $1,000 in damage — their claim against your liability coverage is the claim. The out-of-pocket calculus really only applies to damage to your own car with nobody else involved.

Where it does apply: a $1,400 collision repair against a $1,000 deductible pays $400 and creates a claim record. Many people absorb that one. A $6,000 repair is a claim. The line is personal, but it's worth doing the math with your actual deductible rather than reflexively filing or reflexively not.

What should you do in the weeks after an accident?

The short answer: Document everything, file the SR-1 if required, don't accept an at-fault finding you disagree with without contesting it, and — if the accident is chargeable — don't panic-switch carriers before renewal. A single property-damage point rarely justifies torching a bundle, and the accident follows you to any new carrier anyway.

1. Police report and photos. The presumptions in your favor (rear-ended, hit-and-run, parked) are far easier to establish with a report. Get one even for minor crashes when another party is involved.
2. SR-1 to the DMV within 10 days if there was any injury or more than $1,000 in damage — regardless of fault. It's a legal requirement separate from insurance.
3. Ask for the fault determination in writing. You're entitled to it. If it's wrong, contest it with evidence.
4. Check where you stand on points. One property-damage point with a clean record otherwise keeps the Good Driver Discount. Know your count before renewal.
5. Review the policy before it renews. If a point is going to be visible, make sure everything else is working for you — mileage band, deductibles, every credit in the California discount list, and the levers in how to lower car insurance in California. Some policies also carry accident forgiveness for a first at-fault claim; check whether yours does before assuming the worst.

The bottom line

A California accident affects your insurance only if you were principally at fault — at least 51% the cause — and it involved injury or more than $1,000 in damage. Not-at-fault crashes can't touch your rate. A chargeable property-damage accident is one point, and the mandated 20% Good Driver Discount survives one point. An at-fault injury accident is the one that reprices everything. Know which branch you're on before you make any decision, and remember that the finding has to be investigated and disclosed, and can be contested. The regulation itself is public at 10 CCR § 2632.13.

If you're holding a claim number and a bad feeling, send your ZIP or call our San Jose auto insurance office. We'll walk the fault test, check your point count against the Good Driver line, and review the policy so one bad day costs as little as the law allows. Se habla español.