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Last reviewed: 15 September 2026

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Credit-based insurance scores, explained

Applying for auto or homeowners insurance in most states runs your credit report through a second, separate scoring model — not your FICO or VantageScore, but one built to predict something different: how likely you are to file a claim. Whether an insurer is even allowed to do this at all depends entirely on which state you live in.

The legal hook: insurance underwriting is a permissible purpose

The Fair Credit Reporting Act lists "underwriting of insurance" as one of the specific reasons a credit bureau may lawfully hand over your credit report in the first place, alongside the credit and employment purposes covered in our permissible-purpose explainer — 15 U.S.C. § 1681b(a)(3)(C). That's a federal floor allowing the practice nationwide by default; whether and how far a specific state actually permits an insurer to use what it pulls is a separate, state-by-state question layered on top.

A credit-based insurance score is not your credit score

The two scores are built from overlapping raw data — the same credit report — but weighted for a different question entirely. A FICO or VantageScore model is built to predict the likelihood you'll default on a loan; a credit-based insurance score is built to predict the likelihood you'll file an insurance claim, and the two don't always move together. Industry-standard models (most commonly FICO's own insurance-specific score and LexisNexis's Attract model) generally weight payment history, the amount owed relative to available credit, length of credit history, new credit inquiries, and the mix of credit types — the same broad categories that make up an ordinary credit score — but not necessarily in the same proportions, and they don't consider your age, income, employment, address, or, by law, your race, religion, national origin, gender, marital status, or location of residence. A specific credit-based insurance score product also generally isn't reported to you the way your ordinary credit score is available through free-score tools — it's calculated by the insurer or a vendor at the time of underwriting, from the credit report you generally have no direct pre-application look at in that exact form.

The states that ban it outright, and the ones that only narrow it

States with a full ban, at least one line of coverage
4+
Federal requirement to allow the practice
None
States that permit it, subject to restrictions
Most

California bars the practice most completely: under Proposition 103 (1988) and the rating-factor scheme it created (Cal. Ins. Code § 1861.02), an auto insurer may only use a specified, closed list of rating factors — driving safety record, miles driven annually, and years of driving experience are the primary ones — and credit history isn't on that list, which functions as a categorical ban on using it to set auto insurance rates in the state. Massachusetts independently bars the use of credit information in both auto and homeowners insurance underwriting and rating. Hawaii bans it specifically for auto insurance while still permitting a credit-based score to be used in setting a homeowners insurance premium — a narrower, one-line-only ban rather than a blanket one.

Beyond these, several more states — commonly cited lists include Maryland, Michigan, Oregon, and Utah — impose meaningfully narrower restrictions rather than a full ban: barring an insurer from using credit information as the sole reason to deny, cancel, or non-renew a policy, requiring an insurer to offer an "extraordinary life circumstance" exception (job loss, divorce, a medical crisis, identity theft, a natural disaster) for a consumer whose credit was hurt by exactly that kind of event, or removing credit scoring from rating for one specific product (Michigan's 2019 no-fault insurance reform, for instance, removed credit score specifically from the list of factors an auto insurer may use to set rates, effective for policies issued or renewed after July 1, 2020) without necessarily reaching every other line of coverage the same way. Exactly which restriction applies, and to which product, varies enough state to state that it's worth checking your own state insurance department's current guidance directly rather than assuming any one state's rule from a general list.

Most other states allow the practice with the kind of general safeguards the National Association of Insurance Commissioners' and the National Council of Insurance Legislators' own model act language reflects: a consumer can't be denied a policy, or have one canceled or non-renewed, based solely on credit information or the absence of a credit history, and an insurer generally has to offer that same extraordinary-life-circumstance exception described above and disclose in writing when credit information played a role in an adverse underwriting or rating decision.

"My state doesn't ban this" doesn't mean anything goes. Even in a state with no ban at all, the FCRA's own adverse-action framework still applies: if a credit-based insurance score results in a higher premium or a declined application, 15 U.S.C. § 1681m requires the insurer to tell you that credit information was used and that you have the right to a free copy of the report it relied on, the same basic adverse-action mechanics covered in our adverse-action-notice explainer for lending and employment decisions.

What actually moves a credit-based insurance score

Because the underlying inputs largely overlap with an ordinary credit score, the practical advice overlaps too: paying on time, keeping credit utilization low, and not opening a cluster of new accounts right before shopping for a policy all tend to help both scores in the same direction, even though the exact math differs. One meaningful, model-specific quirk: because a credit-based insurance score is pulled and calculated at underwriting rather than continuously tracked the way a lender-facing score often is, an error on your credit report can affect an insurance quote you never see reflected until the policy itself comes back more expensive than expected — all the more reason to pull and check your own credit report before shopping for a new policy, not just before applying for a loan.

What to actually do if you think it hurt your rate

Related: the FCRA's permissible-purpose list and adverse-action framework covered on this page are the same statutory machinery covered in more depth in who's actually allowed to pull your credit report and what a lender has to tell you when it says no — insurance underwriting is simply one more permissible purpose on the same federal list, layered under a different, state-specific set of use restrictions on top.

References

  1. Fair Credit Reporting Act, 15 U.S.C. § 1681b(a)(3)(C) (permissible purpose: furnishing a consumer report in connection with the underwriting of insurance involving the consumer).
  2. California Insurance Code § 1861.02 (Proposition 103, 1988) (closed list of permissible automobile-insurance rating factors — driving safety record, annual mileage, years of driving experience as the primary factors, in that order of weight — excluding credit history, functioning as a categorical bar on credit-based rating for auto insurance), independently cross-checked against California Department of Insurance guidance and Consumer Watchdog's public summary of Proposition 103's rating-factor scheme; Massachusetts Chapter 195 of the Acts of 2011 (enacting House Bill 3795, signed Nov. 22, 2011) and its implementing regulation, 211 CMR 79.00 (bar on use of credit information and credit-based insurance scores in automobile insurance underwriting, rating, and renewal decisions, and a parallel bar reaching homeowners insurance), independently cross-checked against Massachusetts's own Division of Insurance consumer guidance and multiple independent insurance-industry summaries (Insurance Journal, Lexology); Hawaii Revised Statutes § 431:10C-207.5 (bar on use of credit history in setting automobile insurance rates, not extended to homeowners insurance).
  3. Michigan Public Act 21 of 2019 (amending the Essential Insurance Act) — removing credit score from the enumerated rating factors an automobile insurer may use, effective for policies issued or renewed on or after July 1, 2020; independently cross-checked against multiple Michigan-specific consumer-insurance summaries describing the same effective date and scope (automobile rating specifically).
  4. National Association of Insurance Commissioners, "Credit-Based Insurance Scores" consumer and policy guidance, and National Council of Insurance Legislators (NCOIL), Model Act Regarding Use of Credit Information in Personal Insurance — model provisions barring denial, cancellation, or non-renewal based solely on credit information or absence of a credit history, and requiring an "extraordinary life circumstance" exception and written disclosure of adverse use, independently cross-checked against Experian's and multiple other consumer-finance publishers' state-by-state summaries of adopted state restrictions (commonly citing Maryland, Michigan, Oregon, and Utah among states imposing narrower restrictions beyond the four states with a fuller ban).
  5. 15 U.S.C. § 1681m (requirements on users of consumer reports taking adverse action, including notice that a consumer report was used and the right to a free copy of it) — applied to an insurance underwriting or rating decision on the same basis covered for lending and employment decisions in our adverse-action-notice explainer.
  6. myFICO and LexisNexis Risk Solutions, public product descriptions of FICO's insurance-specific scoring models and the LexisNexis Attract model (weighting of payment history, amounts owed, credit history length, new credit, and credit mix for insurance-claim-likelihood prediction, and statutory exclusion of protected characteristics and geographic location from the score itself), independently cross-checked against NAIC consumer guidance describing the same general input categories and exclusions.

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