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What Happens If the Driver Who Hit You Doesn’t Have Enough Insurance? Washington’s UM/UIM Rules Explained

by | Sep 15, 2026 | Personal Injury

Nearly one in five drivers on Washington roads carries no insurance at all. Here’s what happens to your claim when the at-fault driver’s coverage isn’t enough to cover what you’re owed.

Key Takeaways:

  • Washington doesn’t require drivers to carry uninsured or underinsured motorist coverage, but insurance companies must offer it, and you have to reject it in writing if you don’t want it.
  • If the driver who hit you has no insurance, or not enough of it, your own coverage may be the only realistic path to full compensation.
  • Filing this type of claim means negotiating with your own insurance company, which creates a very different dynamic than a standard claim against someone else’s insurer.

You did everything right. You called the police, went to the emergency room, and gave an honest account of what happened. The accident wasn’t your fault, and for a while, that felt like it should be enough.

Then the claims process started, and you learned something the other driver’s insurance company should have told you from the beginning: there isn’t enough coverage to pay for what happened to you. Maybe the driver who hit you had no insurance at all. Maybe they had a policy, but it comes nowhere close to covering your medical bills, your missed paychecks, and the pain you’re still dealing with months later.

It’s a strange kind of unfairness. You did nothing wrong, someone else caused the crash, and the law is on your side, but the money just isn’t there on the other end. There’s more you can do here than it might feel like right now. Washington drivers who carry the right coverage on their own policies often have a real path forward, even when the at-fault driver can’t pay what they owe.

Washington’s Minimum Insurance Requirements Leave Real Gaps

Washington requires drivers to carry liability insurance, but the minimums are modest: $25,000 per person and $50,000 per accident for bodily injury, plus $10,000 for property damage. For a fender bender, that might cover everything. For a serious injury involving surgery, physical therapy, or months away from work, it often doesn’t come close.

On top of that, close to one in five Washington drivers is uninsured entirely. That means being hit by someone who legally shouldn’t be on the road at all is a real possibility, not a rare exception.

What Uninsured and Underinsured Motorist Coverage Actually Do

Two related but distinct types of coverage live on your own auto policy, separate from anything the at-fault driver carries. Uninsured motorist coverage steps in when the at-fault driver has no insurance at all, including many hit-and-run situations where the responsible driver is never identified. Underinsured motorist coverage fills the gap when the at-fault driver does have insurance, but their policy limits fall short of your actual losses.

Both work the same basic way: your own insurance company pays what the at-fault driver’s insurance can’t, up to the limits of your policy.

Do You Actually Have This Coverage?

Washington law doesn’t require you to carry this protection, but insurance companies are required to offer it to every policyholder, and you have to reject it in writing if you don’t want it. In practice, that means most Washington drivers already carry some amount of this coverage without realizing it.

The declarations page of your auto policy will show whether you have it and how much. If you’ve never checked, now is a good time to see how it works before you need it.

Why This Kind of Claim Feels Different

A standard personal injury claim puts you on one side of the table and the at-fault driver’s insurance company on the other. A claim like this flips that arrangement. You’re now negotiating with your own insurer, the same company you pay premiums to every month, and asking them to pay out of their own funds rather than someone else’s.

That distinction matters more than it might seem. Your insurer still has a financial interest in minimizing what they pay, even though you’re their policyholder. If they undervalue your claim or drag out the process, Washington law allows you to pursue arbitration or, in some cases, a lawsuit against your own insurance company to recover what your policy actually promises.

Hit-and-run and phantom vehicle situations add another layer of difficulty. Without another driver to point to, your own documentation, the police report, witness accounts, and physical evidence from the scene, becomes the backbone of your claim.

Proving Your Claim Still Matters, Even Against Your Own Insurer

Filing with your own insurance company doesn’t lower the bar for what you need to prove. You still have to establish that the other driver was at fault and calculate the true value of what you lost, the same basic framework that applies to any negligence claim in Washington.

Insurers often scrutinize these claims just as closely as, if not more closely than, a typical third-party claim, precisely because the money comes out of their own pocket rather than someone else’s. Thorough documentation, medical records, wage statements, photos from the scene, and a clear record of ongoing symptoms, matters just as much here as it would in any other injury case.

What to Do If You Suspect the Other Driver Wasn’t Insured

A few steps can make a real difference if you think you’re dealing with an uninsured or underinsured driver. Get a police report on record, even if the other driver seems eager to handle things privately. Notify your own insurer that you may be filing a claim under this part of your policy as soon as possible, since most policies have their own notice deadlines, and Washington’s car accident filing deadlines still apply even when your own insurer is the one paying.

Avoid accepting a quick settlement offer from your own insurer without having someone review it first, and be careful what you post online in the meantime. Insurance companies, including your own, look at social media activity for anything that might undercut how serious your injuries actually are. Talk to an attorney early, before you’ve said anything on the record that could be used to minimize your claim later.

Let Johnson Law Firm, P.C. | Personal Injury and Family Law Help You Get What You’re Actually Owed

An insurance shortfall on the other driver’s end shouldn’t become your financial burden. At Johnson Law Firm, P.C. | Personal Injury and Family Law, we bring 60+ years of combined experience to uninsured and underinsured motorist claims across Washington, and we know how to hold your own insurer to the promises made in your policy.

Contact us today, and let’s talk about what happened and what coverage may be available to you. Schedule your free consultation to find out where you stand.

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