California requires you to carry liability insurance on any vehicle you drive, and the state sets minimum coverage amounts that all insurers must offer

California is a liability insurance state, which means you must carry insurance that pays for damage or injury you cause to someone else — not damage to your own car. The state's Department of Insurance sets the minimum amounts: $15,000 for injury to one person, $30,000 for injury to multiple people in one accident, and $5,000 for property damage. Every insurer licensed in California must offer at least these limits, though you can buy higher amounts if you want.

You must show proof of insurance when you register your vehicle with the California Department of Motor Vehicles, and you must carry proof in your car at all times. If you are stopped by police and cannot show proof, you face a fine starting at $100 for a first offense. If you cause an accident without insurance, you are personally liable for all damages, and the state can suspend your driver's license.

California also allows you to choose uninsured motorist coverage — insurance that pays for your own injuries if someone without insurance hits you — and collision and comprehensive coverage if you want your own damage covered. These are optional unless your lender requires them as a condition of financing.

Key Takeaways

  • California law requires liability insurance with minimums of $15,000 per person and $30,000 per accident for injury, plus $5,000 for property damage.
  • You must show proof of insurance when you register your vehicle and carry it with you whenever you drive.
  • Uninsured motorist coverage is optional but protects you if an uninsured driver causes an accident.
  • Collision and comprehensive coverage are optional unless your lender requires them, and they cover damage to your own vehicle.
  • Driving without proof of insurance carries fines starting at $100, and causing an accident uninsured can result in license suspension and personal liability.

How California's Minimum Coverage Amounts Work

The three numbers you will see on every California insurance quote — $15,000/$30,000/$5,000 — represent the state's floor, not a recommendation. The first number ($15,000) covers injury to one person you injure. The second ($30,000) is the total the insurer will pay for all injuries in one accident, even if multiple people are hurt. The third ($5,000) covers property damage — damage to someone else's car, fence, building, or other property.

These minimums are low by modern standards. A single serious injury can cost far more than $15,000 in medical bills alone, and if you are found at fault, you are responsible for the rest out of your own pocket. Many drivers choose higher limits — $25,000/$50,000/$25,000 or $50,000/$100,000/$50,000 — for relatively small increases in premium. Your lender may require higher limits if you financed your car.

California does not require you to carry uninsured motorist coverage, but about 15 percent of California drivers are uninsured. If an uninsured driver hits you and you have no uninsured motorist coverage, you have no insurance recovery and must pursue the other driver in court — a process that often yields nothing if they have no assets.

What Proof of Insurance Looks Like and When You Need It

Proof of insurance in California can be a physical card from your insurer, a digital image on your phone, or a printed declaration page. The document must show your name, the vehicle identification number (VIN), the policy number, the coverage limits, and the policy dates. When you register your vehicle with the DMV, you provide your insurer's name and policy number; the DMV verifies coverage electronically.

You must carry proof with you whenever you drive. If you are stopped by police, you must show it on request. If you cannot produce it — even if you have active coverage — you face a citation. The fine for a first offense is $100 to $250; a second offense within three years is $250 to $500; a third or subsequent offense is $500 to $1,000. You can often dismiss the citation by showing proof of insurance to the court, but you still pay a small fee.

If your policy lapses — because you did not pay the premium or your insurer cancelled you — the DMV is notified electronically. Your registration becomes invalid, and driving with an invalid registration is a separate violation. If you let coverage lapse, contact your insurer or a new insurer when ready and ask them to backdate your policy to the lapse date if possible.

Collision and Comprehensive Coverage: What They Cover and When You Need Them

Collision coverage pays for damage to your car when you hit something or something hits you — another car, a tree, a guardrail. Comprehensive coverage pays for damage from events you did not cause: theft, vandalism, weather, fire, or hitting an animal. Neither is required by law, but if you financed or leased your car, your lender almost certainly requires both.

Collision and comprehensive coverage each carry a deductible — the amount you pay out of pocket before insurance kicks in. Common deductibles are $250, $500, or $1,000. A higher deductible lowers your premium; a lower deductible raises it. If you have an accident and choose not to file a claim because the damage is less than your deductible, your insurer never knows, and your rates do not increase.

If you own your car outright and it is older, you may decide the premium for collision and comprehensive is not worth the protection. Some drivers drop these coverages once their car is paid off. If you do, you are betting that you will not have a major accident or theft; if you lose that bet, you pay for repairs yourself.

How California Insurers Set Rates and What Factors Matter

California law limits how much insurers can vary rates based on driving history and years of driving experience. The state does not allow insurers to use credit score, education, occupation, marital status, or gender to set rates. Insurers can use age (younger drivers pay more), driving record (accidents and violations raise rates), miles driven per year, and the type of vehicle.

If you have an accident or moving violation on your record, your rate will increase when you renew. How much depends on the severity: a minor violation like a speeding ticket has less impact than a collision you caused. Most violations and accidents drop off your record after three to five years, though serious violations like DUI stay longer. If you have a clean record, you may be offered a discount.

You can shop for insurance by contacting multiple insurers directly or using a comparison website. Rates vary significantly between insurers for the same coverage, so getting quotes from at least three is worth the time. When you switch insurers, ask about any discounts you might may have access to for: bundling home and auto, paying in full rather than monthly, or taking a defensive driving course.

What Happens If You Cause an Accident Without Insurance

If you cause an accident and have no insurance, you are personally liable for all damages. The other driver can sue you in civil court for medical bills, lost wages, pain and suffering, and vehicle repairs. If they win a judgment, the court can garnish your wages, place a lien on your property, or seize your bank accounts to satisfy the judgment.

The state will also suspend your driver's license until you show proof of insurance and pay a reinstatement fee. You cannot legally drive until your license is reinstated. If you are caught driving with a suspended license, you face criminal charges and jail time.

If the accident involves injury and you are uninsured, you may also face criminal charges for driving without insurance — a misdemeanor in California. This is separate from the civil liability to the other driver. The combination of personal liability, license suspension, and potential criminal charges makes driving uninsured extremely risky.

Uninsured and Underinsured Motorist Coverage Explained

Uninsured motorist coverage (UM) pays for your injuries if a driver with no insurance hits you. Underinsured motorist coverage (UIM) pays the difference if the at-fault driver's insurance limits are too low to cover your injuries. California law requires insurers to offer both, though you can decline them in writing.

UM and UIM coverage uses the same limits as your liability coverage — so if you carry $15,000/$30,000 in liability, your UM/UIM limits are also $15,000/$30,000 unless you choose higher. You pay a deductible (usually $250 or $500) when you file a claim. If you are hit by an uninsured driver and have no UM coverage, your own health insurance or personal assets must cover your medical bills.

Many drivers decline UM/UIM to save money, betting that they will not be hit by an uninsured driver. Given that roughly 15 percent of California drivers are uninsured, that is a significant risk. The premium difference between carrying UM/UIM and declining it is usually small — often $10 to $30 per year — making it a low-cost way to protect yourself.

How to Register Your Vehicle and Maintain Proof of Insurance

When you register a vehicle in California, you must provide proof of insurance to the DMV. You can do this online through the DMV website, by mail, or in person at a DMV office. The DMV verifies your coverage electronically with your insurer; you do not need to submit a physical document. Once registered, the DMV checks your coverage status periodically throughout the year.

If your policy lapses or you switch insurers, notify the DMV or your new insurer will do so automatically. If there is a gap in coverage, the DMV will suspend your registration. To restore it, you must show proof of current insurance and pay a reinstatement fee. Keeping your registration current requires only that you maintain continuous insurance — no gaps.

Keep a copy of your insurance card or declaration page in your car at all times. If you use a digital copy on your phone, make sure you can access it without an internet connection. If you are in an accident, you will need to exchange information with the other driver and provide your proof of insurance to police if they respond.

Frequently Asked Questions

What is the difference between liability and collision coverage?

Liability pays for damage you cause to someone else. Collision pays for damage to your own car when you hit something or are hit. Liability is required by law; collision is optional unless your lender requires it.

Can I get a discount on my California car insurance?

Yes. Insurers offer discounts for bundling home and auto policies, paying your premium in full rather than monthly, completing a defensive driving course, and maintaining a clean driving record. Discounts vary by insurer, so ask when you get a quote.

What happens if I let my insurance lapse for a few days?

Your registration becomes invalid when ready, and driving with invalid registration is a violation. Your insurer reports the lapse to the DMV. To restore your registration, you must show proof of current insurance and pay a reinstatement fee. Avoid lapses by setting up automatic payments or renewing before your policy expires.

Do I have to carry uninsured motorist coverage in California?

No, but insurers must offer it and you can decline only in writing. About 15 percent of California drivers are uninsured, so the risk of being hit by one is real. The premium for UM coverage is usually small relative to the protection it provides.

What should I do if I am in an accident?

Call police if anyone is injured or there is significant property damage. Exchange name, phone number, address, driver's license number, vehicle information, and insurance details with the other driver. Take photos of the damage and the scene. Report the accident to your insurer as soon as possible, even if you are not sure you will file a claim.