The Renewal Window Opens Before You Expect It
You filed a claim three months ago after backing into another car in a parking lot. The claim closed weeks ago, your deductible was paid, and your policy anniversary is still two months out. You assume the rate increase will appear at renewal—but you're not sure when the carrier actually decides what that increase will be, or whether you have time to shop before it takes effect.
Most carriers re-rate your entire multi-car policy 30 to 90 days before the policy anniversary, not on the anniversary itself. The surcharge calculation happens during that window, and once the renewal offer is generated, the new rate is locked for the next term. If you wait until renewal day to start shopping, you've already missed the window to compare rates before the increase applies.
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Get Your Free QuoteAt-Fault Accident Premium Increase
43–55%
Drivers with one at-fault accident pay 43 to 55 percent more than drivers with clean records, and the surcharge applies to every vehicle on a multi-car policy, not just the car involved in the crash.
Insurance.com 2026 accident/ticket study + Bankrate 2025
Surcharges Apply at Renewal, Not Mid-Term
Your carrier cannot increase your premium mid-term because of an accident. State insurance regulations require carriers to honor the rate they quoted at the start of the term, even if you file a claim the day after the policy begins. The surcharge waits until your next renewal.
This creates a specific timeline. The accident happens. The claim closes. The carrier records the at-fault determination. Then, 30 to 90 days before your policy anniversary, the carrier re-rates your policy based on your updated driving record and generates a renewal offer with the new premium. That renewal offer is what you'll pay for the next six or twelve months if you stay with the carrier.
The gap between claim closure and renewal is your comparison window. Once the renewal offer is generated, the carrier has already decided what your new rate will be. Shopping after that point means you're comparing the carrier's increased rate against competitors' quotes, but you cannot prevent the increase from applying to your current policy.
The carrier re-rates your entire multi-car policy during the renewal window, not just the vehicle involved in the accident, because household risk pricing treats all vehicles as one exposure pool.
How the Renewal Timeline Works
Most carriers begin the renewal process 30 to 90 days before your policy anniversary. During that window, the carrier pulls your current driving record, reviews any claims filed during the expiring term, and calculates your new premium based on the updated risk profile. If an at-fault accident appears on your record, the carrier applies a surcharge—typically a percentage increase over your base rate—and that surcharge is baked into the renewal offer.
The renewal offer arrives by mail or email, usually 15 to 30 days before your policy anniversary. The offer states your new premium for the next term. If you accept it, the new rate takes effect on your anniversary date. If you cancel before the anniversary and switch to a different carrier, the surcharge never applies to your current policy—but the accident still appears on your record, and the new carrier will price it into their quote.
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Multi-Car Policies Face Household-Wide Re-Rating
When you insure multiple vehicles on one policy, the carrier re-rates the entire policy after one driver's accident, not just the vehicle involved in the crash. This happens because the carrier prices the policy as a single exposure pool: every vehicle, every driver, and every coverage limit are bundled into one risk calculation. An accident changes the household's risk profile, and the carrier adjusts the premium accordingly.
The surcharge percentage is applied to the base premium for each vehicle. If you insure three cars and one driver causes an at-fault accident, all three vehicles see a rate increase at renewal. The total dollar increase depends on the base premium for each vehicle, the coverage limits you carry, and the carrier's surcharge schedule. A household with higher liability limits or comprehensive and collision coverage on multiple vehicles will see a larger total increase than a household carrying only state minimum liability.
Some carriers allow you to remove the at-fault driver from the policy to avoid the surcharge, but only if that driver has coverage elsewhere and does not live in your household. If the driver lives with you and has access to your vehicles, the carrier will not remove them, and the surcharge applies to the entire policy.
Renewal Re-Rating Window
30–90 days
Carriers re-rate your policy 30 to 90 days before the policy anniversary, not on the anniversary itself. The surcharge calculation happens during that window, and once the renewal offer is generated, the new rate is locked for the next term.
When to Compare Rates
Start shopping 60 to 90 days before your policy anniversary. This gives you time to request quotes from multiple carriers, compare coverage options, and switch before the renewal offer locks in. If you wait until the renewal notice arrives, you have less than 30 days to compare and make a decision, and many drivers end up accepting the increase because they run out of time.
Request quotes from at least three carriers that write multi-car policies in your state. Provide each carrier with the same coverage limits, deductibles, and driver information so the quotes are comparable. Some carriers price accident history more aggressively than others, and the carrier that gave you the best rate before the accident may not be the best option after it.
Compare Carriers Before the Increase Locks In
The surcharge applies at renewal, but the accident stays on your record for three to five years depending on your state. Every carrier you quote with will see it, and every carrier will price it into their premium. The question is not whether you'll pay more—it's which carrier prices your household's vehicles most competitively after the accident.
Use the site's comparison tool to request quotes from carriers that write multi-car policies. Provide your current coverage limits, the details of the accident, and the number of vehicles you insure. Compare the total premium for all vehicles, not just the car involved in the crash, because the surcharge applies to the entire policy.