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CALIFORNIA AUTO INSURANCE
What Determines Your Car Insurance Rate in California?
Same coverage. Different price. Why?
Insurance companies use details called rating factors to calculate your premium—and understanding them can help you shop smarter.
Three factors insurers must consider
California requires these mandatory factors, in this order of importance:
- Your driving record: Traffic convictions and at-fault accidents.
- Your annual mileage: How many miles you drive each year.
- Your driving experience: How long you have been licensed to drive.
These are the foundation of California’s auto insurance pricing rules. California Insurance Code §1861.02
Other factors insurers may use
Depending on their approved rating plans, insurers may also consider:
- Your vehicle’s type, features, and repair characteristics.
- How you use it—for commuting, pleasure, or business.
- Where you keep it, based on local claims patterns.
- Multiple vehicles or policies with the same insurer.
- Qualifying student grades or driver-training courses.
- Marital status, which the new proposal would remove.
“Optional” means optional for the insurer—not a charge you can simply decline. These factors are also different from choosing coverage or deductibles. California’s rating-factor regulation
Put this information to work
Driving less? Changed jobs or vehicles? Ask for a review using your current, accurate information. When comparing quotes, match the coverage limits and deductibles so you can see the real difference.
Common car insurance rate questions
What affects car insurance rates in California most?
California requires insurers to give the greatest importance to your driving record, followed by annual mileage and years of driving experience.
Why do insurers quote different prices for the same coverage?
Insurers use their own approved rating plans. The same driver and vehicle can receive different prices, so compare quotes with matching coverage limits and deductibles.
Can driving fewer miles lower my insurance rate?
Annual mileage is a mandatory rating factor. If you now drive less, ask for a review using an accurate estimate; your insurer’s approved rating plan determines the price.
Does being single qualify me for a new discount?
No automatic new discount applies from the proposal alone. As of September 18, 2026, removing marital status as a rating factor is a proposed change.
Make a more informed comparison
STREET SMART INSURANCE
Let’s see what we can do for your rate.
At Street Smart Insurance, we help you compare available options, check applicable discounts, and understand what you’re paying for. Personal help, clear answers, and service in English and Spanish.
Call or text 714-736-9048 for a free quote.
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