Iowa · Comparative fault · Updated Oct 2026

Comparative fault in Iowa: who pays when both drivers share the blame

How modified comparative fault with a 51% bar works in Iowa, the law behind it and how insurers apply it.

Short answer

In Iowa, your damages are reduced by your share of the fault, and you can't recover at all if you were more than 50% at fault (51% or more).

Rule
Modified (51% bar)
You recover nothing at
51% of the fault or more
Law
Iowa Code § 668.3(1)(a): your fault doesn't bar recovery unless it is greater than the combined fault of the defendants; your damages are reduced by your share
Insurance system
Fault (tort)

Insurance and small claims in Iowa

No PIP required. Iowa has no no-fault law: the driver who caused the crash (and their liability insurer) pays for others' injuries and damage.

Small claims limit for car damage in Iowa: $6,500 (not counting interest and court costs). Iowa small claims guide on Small Claims Map

How fast an insurer must handle a claim in Iowa

  • Iowa insurance rules set these deadlines for property and casualty insurers.
  • They must acknowledge your claim within 15 days, unless they pay within that time, and reply within 15 days to your claim letters that call for an answer (Iowa Admin. Code 191—15.42).
  • On a claim under your own policy, they must accept or deny it within 30 days after getting your proof of loss, or tell you within 30 days why they need more time, then write every 45 days.
  • Once they accept liability and the amount isn't disputed, they must pay within 30 days (191—15.41).
  • Iowa Code § 507B.4(3)(j) also bans repeated failure to act reasonably promptly on claims.

If the insurer says you were partly at fault

  1. Get the police report. A copy of the investigating officer's report costs $4 from the Iowa DOT. Fill out the 'Request for Copy of Investigating Officer's Report of an Accident' form, sign it, and mail it with $4 to Iowa DOT, Bureau of Enforcement, Audits & Records, P.O. Box 9204, Des Moines, IA 50306-9204. Reporting a crash in Iowa and getting the police report
  2. Ask the insurer in writing what share of the fault it gave you and why, and send your photos, witness names and estimates.
  3. If the insurer blames you without a good reason, complain to Iowa Insurance Division.
  4. Sue before the deadline: 5 years for property damage and 2 years for injury. Deadlines to sue in Iowa, with the calculator

Who pays in Iowa: fault and payout explainer

Modified comparative fault (51% bar)In Iowa, your damages are reduced by your share of the fault, and you can't recover at all if you were more than 50% at fault (51% or more).

Free help in Iowa

Questions about comparative fault in Iowa

Is Iowa a comparative negligence state?

Yes, modified comparative negligence with a 51% bar. Iowa Code § 668.3(1)(a): your fault doesn't bar recovery unless it is greater than the combined fault of the defendants; your damages are reduced by your share.

Where can I complain if an insurer blames me unfairly in Iowa?

Iowa Insurance Division: https://iid.iowa.gov/consumers/filing-complaints · 515-654-6600

How fast must an insurer handle a car insurance claim in Iowa?

Iowa insurance rules set these deadlines for property and casualty insurers. They must acknowledge your claim within 15 days, unless they pay within that time, and reply within 15 days to your claim letters that call for an answer (Iowa Admin. Code 191—15.42).

How do I get the police report in Iowa?

A copy of the investigating officer's report costs $4 from the Iowa DOT. Fill out the 'Request for Copy of Investigating Officer's Report of an Accident' form, sign it, and mail it with $4 to Iowa DOT, Bureau of Enforcement, Audits & Records, P.O. Box 9204, Des Moines, IA 50306-9204. Only people in the crash, their lawyers and insurers can get it. If the local police agency kept a copy, you can also ask them. https://iowadot.gov/drivers-licenses-ids/other-services/request-driving-records-accident-reports

More for Iowa drivers

Nearby states

Sources

Last checked: Oct 24, 2026.