Washington Citizen's Guide to Auto Crash Insurance Calculations
This guide explains how a Washington citizen should analyze a serious crash: identify the at-fault liability stack, separate bodily-injury and wrongful-death claims from property claims, measure the effect of Washington's 25/50/10 minimum floor, apply Washington's pure comparative-fault rule, and then determine what underinsured-motorist, personal injury protection, rideshare, employer, or umbrella coverages may change the real calculation.
On this page
- Washington crash-calculation frame
- Coverage cues that matter immediately
- Coverage ladder: minimum through rideshare and commercial
- Post-crash calculation roadmap
- Scenario 1: multi-fatality minimum-limits matrix
- Minimum-limits equal-share illustration
- Property damage, bicycles, and gear
- Washington UM/UIM and PIP structure
- Pedestrians and bicyclists
- Higher tiers, umbrella, work use, and TNC coverage
- Why disclosure still matters in Washington
- Authorities and links
Washington crash-calculation frame
Washington's basic auto-liability floor is 25/50/10: twenty-five thousand dollars for bodily injury or death to one person, fifty thousand dollars for bodily injury or death to all persons in one accident, and ten thousand dollars for property damage in one accident. Washington also requires insurers to provide underinsured, hit-and-run, and phantom-vehicle coverage unless the named insured rejects all or part of it in writing. Personal injury protection is not mandatory in the same way, but it must be offered and may be rejected in writing.
Washington is also a pure comparative-fault state. A claimant's own contributory fault reduces damages proportionately, but does not bar recovery. That feature matters greatly in multi-claimant crashes because it changes both the amount of damages and the practical pressure on small liability limits.
Minimum liability
25k bodily injury to one person, 50k bodily injury per accident, 10k property damage.
UIM required unless rejected
Washington requires underinsured, hit-and-run, and phantom-vehicle coverage unless rejected in whole or in part.
PIP offered unless rejected
Personal injury protection must be offered, but the named insured can reject it in writing.
Pure comparative fault
A claimant's own fault reduces recovery proportionately, but does not bar the claim.
Coverage cues that matter immediately after a crash
| Coverage item | Washington cue | Why it matters |
|---|---|---|
| Liability BI | 25/50 minimum | All third-party human bodily-injury and wrongful-death claims start here unless higher limits, umbrella, employer, rideshare, or commercial coverage exists. |
| Property damage | 10k minimum | Vehicle destruction, bicycles, car seats, electronics, and other property claims compete inside one very small property-damage coverage. |
| Underinsured / uninsured / phantom vehicle coverage | Required unless rejected in whole or in part | If the at-fault driver is uninsured or underinsured, Washington's own policy structure may create a first-party backstop even when the liability limits are inadequate. |
| PIP | Must be offered, may be rejected | Early medical and wage-loss pressure often depends on whether the household kept or rejected PIP. |
| Pure comparative fault | No percentage bar | Even a heavily fault-assigned claimant may still recover something, which changes settlement dynamics. |
| Wrongful death | Personal representative sues for statutory beneficiaries | Multiple beneficiaries may be tied to one death, but the insurance stack still limits practical recovery. |
Coverage ladder: minimum through rideshare and commercial
| Tier | Typical stack | What the citizen should assume |
|---|---|---|
| Tier 0 | Uninsured / no liability policy | No liability coverage exists. The victim household must look to underinsured/uninsured coverage if not rejected, PIP if present, health coverage, direct claims against the at-fault driver or estate, and any employer or vehicle-owner theories. |
| Tier 1 | Washington minimum PPA: 25/50/10 | This is the legal floor for ordinary personal auto coverage. In a multi-death or major-trauma crash it is quickly and often catastrophically inadequate. |
| Tier 2 | Common mid PPA: 50/100/25 or 50/100/50 | Still thin in severe-injury or multi-claimant cases, but materially better than the floor. |
| Tier 3 | Common higher PPA: 100/300/100 or 100/300/300 | Often the first household-protection package that meaningfully changes settlement posture. |
| Tier 4 | High PPA plus umbrella | Primary auto may be followed by umbrella or excess layers. Declarations-page identification becomes critical. |
| Tier 5 | Commercial auto / employer fleet / TNC stack | The entire claim changes if business use, employer coverage, transportation-network coverage, or other commercial layers apply. |
Post-crash calculation roadmap
| Step | Question | Practical consequence |
|---|---|---|
| 1 | Who is claiming? | Separate the at-fault driver, family passengers, other vehicle occupants, pedestrians, bicyclists, and each item of damaged property. They do not stand in the same coverage position. |
| 2 | What kind of claim is it? | Human death or bodily injury goes to bodily-injury / wrongful-death analysis. Vehicle loss, bicycles, electronics, and other property go to property-damage analysis unless separate first-party coverage applies. |
| 3 | What is the at-fault stack? | Identify personal auto, umbrella, employer, permissive-use, rideshare, commercial, or governmental layers before assuming the case is only minimum-limits. |
| 4 | What does the victim household carry? | Read the declarations page for UIM, PIP, MedPay if any, collision, and comprehensive. Washington gives households more optional first-party structure than many citizens realize. |
| 5 | Is there comparative fault? | Washington reduces damages proportionately but does not bar recovery, which can affect both settlement value and allocation pressure among claimants. |
| 6 | Is wrongful death involved? | Wrongful-death actions are brought by the personal representative for the statutory beneficiaries. |
Scenario 1: multi-fatality minimum-limits matrix
Hypothetical catastrophe: a drunk driver, traveling with his spouse, infant child, and family dog, crashes into another passenger car carrying two adults, a small child, and that family’s bicycle rack and gear. All humans are killed. These tables are educational illustrations, not litigation predictions.
Authorities and links
- RCW 46.29.090 Washington’s financial-responsibility floor: 25/50/10.
- Washington OIC mandatory auto insurance page Consumer-facing explanation of the 25/50/10 liability minimums and alternatives such as bond or self-insurance.
- RCW 48.22.030 Underinsured, hit-and-run, and phantom-vehicle coverage; same-as-liability amount unless rejected.
- RCW 48.22.085 Personal injury protection must be offered and may be rejected in writing.
- RCW 4.22.005 Pure comparative fault—damages diminish proportionately but are not barred.
- RCW 46.72B.180 Transportation-network-company insurance requirements.
- Smith v. Safeco Ins. Co. Washington decision on disclosure in the insured’s best interest.