At a glance
Legal framework
Statute, almost entirely. RSMo § 375.420 and § 375.296 create the vexatious refusal to pay remedy for first-party claims. There is no first-party bad-faith tort. A common-law bad-faith action survives only in the third-party context, where a liability insurer refuses to settle within limits (Scottsdale Ins. Co. v. Addison Ins. Co., Mo. banc 2014).
Can you sue directly?
Yes, but only as an add-on to a breach-of-contract suit on the policy. Vexatious refusal is derivative — you must win the contract claim first. Missouri’s Unfair Claims Settlement Practices Act (§§ 375.1000–375.1018) is enforced by the Director of Insurance only and creates no private cause of action.
Deadline
10 years to sue on the policy, because an insurance policy is a writing for the payment of money under § 516.110(1). The vexatious refusal penalty rides along with that contract claim. Pure tort theories run 5 years under § 516.120. Crucially, § 431.030 makes any contract term that “directly or indirectly” shortens the time to sue null and void — so the one-year or two-year suit clause printed in your policy is unenforceable in Missouri.
Before you file
Yes — make a written demand. Under § 375.296 the insurer must have failed to pay for 30 days after due demand before you file. Section 375.420 carries no express waiting period, but courts read a demand requirement into it, so send a dated written demand and keep proof of delivery. No certificate, notice of intent or appraisal is otherwise required.
What you can recover

Damages available in Missouri

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How to find one yourself, free

The Missouri Bar runs no statewide referral panel in the usual sense. It offers a searchable LawyerSearch directory of lawyers taking new clients and a Legal Resources Line; the traditional fee-based referral services are run by local bars, chiefly in St. Louis and Kansas City. Missouri operates no certified-specialist programme. A lawyer may advertise a specialty only with the disclaimer that neither the Supreme Court of Missouri nor The Missouri Bar reviews or approves certifying organisations or specialist designations.

Before you sue

How often does your insurer actually pay?

Worth checking before you spend money on a lawyer. Two different measures exist, and they are not interchangeable — one is a real payment record, the other is a complaint count.

Health cover — real denial rates

Published, per insurer

Health insurers selling on the federal marketplace must report how many claims they received and how many they refused. The figures are public and free to inspect.

20%
Average denied, 2023
1%–54%
Range across 175 insurers

The spread is the point. Two insurers selling comparable cover in the same state can refuse wildly different shares of what they are billed for. Look your own up before you assume your refusal was routine.

Source: CMS Transparency in Coverage public use files, plan year 2023 experience. Self-reported by insurers and not audited. Covers federal-marketplace plans only — not employer cover, and not state-run marketplaces. Post-service claims only.

Home, auto & property

No payout rate is published

There is no free public figure showing what share of home or auto claims any named insurer pays. Insurers do report it to regulators, but in most states that filing is confidential. Any table you see online quoting payout percentages for property insurers is either a paid commercial product or an estimate.

What is public is the complaint index — how many confirmed complaints a company generates against its share of the market. 1.00 is average. 3.00 means three times the complaints its size would predict.

Complaint indexes are published by state insurance departments and compiled by the NAIC. Figures move with both the company’s complaints and the wider market’s.

These two numbers are not the same thing. A denial rate is the share of claims an insurer refused. A complaint index is how often customers complained relative to the company’s size. A low complaint index does not mean an insurer pays well, and a high one does not prove it refuses claims — it can reflect the kind of cover it sells or the customers it attracts. Neither figure says anything about whether your claim should have been paid.
The clock

What the insurer is required to do, and by when

Under 20 CSR 100-1, the insurer must acknowledge your claim within 10 working days and reply to any communication within 10 working days. It must complete its investigation within 30 days of notice unless that is not reasonably possible, and accept or deny within 15 working days of receiving the forms establishing the claim. If it needs longer it must say so in writing and update you every 45 days.

The thing most people miss

Missouri gives you no tort remedy for a wrongful denial — but it will let you sue for what the insurer said about you. In Overcast v. Billings Mutual (Mo. banc 2000) the insurer denied a fire claim on the ground of arson. The Supreme Court refused to recognise first-party bad faith, then upheld $500,000 actual and $400,000 punitive damages for defamation, on a contract loss of under $27,000. An accusation put in writing to a mortgagee or a claims database can be worth far more than the claim.

Unsettled: Which limitation period governs a vexatious refusal count is not perfectly settled. Because the claim is derivative of the contract, courts generally let it run with the 10-year period of § 516.110(1), but there is authority treating it as a liability created by statute under § 516.120(2), which would be 5 years. Do not sit on it. Separately, § 375.420 excludes automobile liability insurance from its terms, and the reach of that exclusion in modern policies is still litigated.
Free first step

Complain to the regulator before you spend anything

A complaint to the Missouri Department of Commerce and Insurance costs nothing, creates a written record, and sometimes moves a stalled claim on its own. It is not a substitute for legal advice and it does not pause any deadline — but there is rarely a reason not to do it first.

Where this comes from

Sources

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