How Much Does a Claim Raise Your Workers’ Comp Premium?
5 min read · Updated June 20, 2026
“If I file this claim, what happens to my premium?” There’s no single dollar answer, but the mechanism is predictable — and it lasts longer than most contractors expect. Here’s how a claim actually moves your bill.
Claims hit through your experience mod
A claim doesn’t add a line to your next invoice directly. It feeds your experience mod — the multiplier on your whole premium. More actual losses than expected pushes the mod above 1.0, and that surcharge applies to everything. How premium is built →
It lasts about three years
A claim typically stays in your mod calculation for roughly three years (and not the most recent year). So one bad incident can raise premium across multiple policy periods — the cost is spread out, not one-and-done.
Frequency hurts more than size
The mod formula penalizes many small claims more than a single large one, because frequency predicts future frequency. Three $4,000 claims usually damage your mod more than one $12,000 claim. That changes how you think about reporting minor incidents.
Should you pay a small one yourself?
For tiny medical-only claims, paying out of pocket can sometimes protect your mod — but check your state’s rules and reporting requirements first, since you generally can’t hide a reportable injury. Talk to your agent before deciding.
The durable fix
The contractors with low mods aren’t lucky — they run real safety and return-to-work programs that reduce both frequency and claim duration. That’s the lever that compounds in your favor. More ways to lower your premium →
General information for contractors, not insurance advice. Mod impact and reporting rules vary by state — confirm yours.
Frequently asked questions
How much does a workers’ comp claim raise my premium?
It depends on the claim’s size and your payroll, but the effect runs through your experience mod and can raise premium for about three years. Frequent small claims often hurt more than one large one.
Does one claim affect my premium for years?
Yes. A claim typically stays in your experience mod calculation for roughly three years, so its premium impact is spread across multiple policy periods.
Should I pay a small claim myself to protect my mod?
Sometimes it makes sense for tiny medical-only claims, since claim frequency drives the mod — but check your state’s rules and reporting requirements first.
See your own exposure — free
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