Washington · Comparative fault · Updated Oct 2026

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

How pure comparative fault works in Washington, the law behind it and how insurers apply it.

Short answer

In Washington, you can recover damages even if you were mostly at fault, but they are reduced by your share of the fault.

Rule
Pure comparative
You recover nothing at
No cutoff: your damages are only reduced
Law
RCW 4.22.005 (your own fault reduces your damages proportionately but does not bar recovery)
Insurance system
Fault (tort)

Insurance and small claims in Washington

No PIP required, but insurers must offer personal injury protection: at least $10,000 medical and hospital, $2,000 funeral, $10,000 income continuation ($200/week) and $5,000 loss of services ($200/week). Washington is a fault (tort) state: the at-fault driver and their liability insurer pay for other people's injuries and damage.

Small claims limit for car damage in Washington: $10,000 for individuals, $5,000 for businesses. Washington small claims guide on Small Claims Map

How fast an insurer must handle a claim in Washington

  • Insurers must acknowledge a claim within 10 business days and reply to your communications within 10 business days (WAC 284-30-360), and must finish investigating within 30 calendar days or tell you in writing why not, then update you in writing every 30 days (WAC 284-30-370).
  • The Insurance Commissioner says insurers must approve, deny or explain a delay within 30 days, and respond to supplemental reports and final invoices within 5 days.

More facts for Washington

  • Washington uses pure comparative fault, so you can recover even if you were mostly at fault, reduced by your share (RCW 4.22.005).

If the insurer says you were partly at fault

  1. Get the police report. Request a copy of a collision report from the Washington State Patrol through its Requests for Electronic Collision Records (WRECR) system: https://wrecr.wsp.wa.gov/ (DOL also sends people to WSP for copies). Reporting a crash in Washington 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 Washington State Office of the Insurance Commissioner (Consumer Advocacy).
  4. Sue before the deadline: 3 years for both property damage and injury. Deadlines to sue in Washington, with the calculator

Who pays in Washington: fault and payout explainer

Pure comparative faultIn Washington, you can recover damages even if you were mostly at fault, but they are reduced by your share of the fault.

Free help in Washington

Questions about comparative fault in Washington

Is Washington a comparative negligence state?

Yes, pure comparative negligence. RCW 4.22.005 (your own fault reduces your damages proportionately but does not bar recovery)

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

Washington State Office of the Insurance Commissioner (Consumer Advocacy): https://www.insurance.wa.gov/complaints-appeals-fraud/complaints/file-complaint-or-check-your-complaint-status · 800-562-6900

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

Insurers must acknowledge a claim within 10 business days and reply to your communications within 10 business days (WAC 284-30-360), and must finish investigating within 30 calendar days or tell you in writing why not, then update you in writing every 30 days (WAC 284-30-370). The Insurance Commissioner says insurers must approve, deny or explain a delay within 30 days, and respond to supplemental reports and final invoices within 5 days.

How do I get the police report in Washington?

Request a copy of a collision report from the Washington State Patrol through its Requests for Electronic Collision Records (WRECR) system: https://wrecr.wsp.wa.gov/ (DOL also sends people to WSP for copies).

More for Washington drivers

Nearby states

Sources

Last checked: Oct 24, 2026.