What to do if your diminished value claim is denied

First: get the denial in writing

If you were told no on the phone, you do not yet have a denial you can work with. Ask for it in writing, and ask for the reason.

A short email is enough: "Please confirm in writing your position on my diminished value claim under claim number X, and the basis for it." You want this for three reasons. It tells you which of the five arguments below you are in. It stops the reason changing later. And if you end up in front of a judge or filing a complaint with your state regulator, the insurer's own written words are the most useful thing in your file.

While you wait, keep everything: dates, names, what was said. A dated record of who said what is worth more than your recollection of it.

Denial 1: "We don't pay diminished value"

This is a statement about the state you are in, not about your car, and it is right in some states and wrong in others.

Two different claims get confused here. A third-party claim is against the insurer of the driver who caused the crash. A first-party claim is against your own insurer under your own policy. Most states treat these differently, and a first-party claim is unavailable in far more places than a third-party one.

Check your own state before you accept this answer. Each state page carries that state's position, the time limit, and the small claims court that would hear the case. If the denial says the state does not recognise the claim and your state page says otherwise, quote it back.

Denial 2: "Our formula says it is worth $X"

This is the most common answer, and it is not really a denial — it is a low number with a method behind it. Usually that method is the 17c formula: ten percent of the pre-accident value, cut by a damage multiplier, then cut again by a mileage multiplier.

Knowing that shape tells you where the number went. The formula returns zero on any vehicle over 100,000 miles, no matter how severe the repair. It returns zero when nothing structural or panel-related was replaced. And it can never exceed ten percent of the car's value, whatever the market actually does.

You do not need to argue that the formula is invalid. You need to put a different measurement next to it: what comparable vehicles carrying an accident record actually list for against clean ones. How the 17c formula works sets out both multiplier tables, and the free 17c calculator shows you the exact figure their worksheet produced.

Denial 3: "You haven't proved the loss"

This one is often fair. "My car is worth less now" is a belief. A claim is a number with evidence behind it.

If this is the reason, the answer is to send more, not to say it again:

• The final repair invoice with every supplement, showing what was replaced rather than repaired.
• A vehicle history report showing how the accident is recorded and when it appeared.
• Comparable listings — vehicles like yours with a disclosed accident, and without, screenshotted with the date, mileage and price visible.
• A written dealer offer, if you have one. A dealer's own number is hard to wave away.
• Photos from during the repair, if the shop still has them.

How to determine diminished value shows how these fit together into a number.

Denial 4: "You were partly at fault"

Fault reduces or removes what you can recover, and how much depends on where you are.

Most states reduce recovery in proportion to your share of the blame. Five jurisdictions — Alabama, the District of Columbia, Maryland, North Carolina and Virginia — apply contributory negligence, under which being even slightly at fault can bar recovery entirely. Your state page says which rule applies where you are.

If you disagree with how fault was apportioned, that is a dispute about the accident rather than about diminished value, and it is worth resolving first. It changes everything downstream.

Denial 5: Silence

No answer is a position too, and it is the easiest one to deal with because it costs the insurer nothing until you make it cost something.

Send a follow-up in writing on a schedule and keep proof of each one. Reference the original claim number and date, restate the number you asked for, and give a date by which you expect a response. Two or three follow-ups, spaced roughly two weeks apart, are normal before escalating.

If it is still no: what escalation actually does

Take these in order, and be clear about what each one can and cannot do.

1. A follow-up letter to the adjuster's supervisor. Costs nothing, sometimes moves a file that was simply parked.
2. A complaint to your state's insurance regulator. Every state has one, and the complaint is free to file. It addresses how your claim was handled — whether the insurer responded, followed its own process, communicated. It does not decide what your car is worth, and it does not pause your filing deadline. Your state page links to your regulator's complaint form.
3. Small claims court. This is the forum that can actually decide the value question. Every state has one, the limits run from a few thousand dollars to $25,000, and most do not require a lawyer. Check your state's court, its limit and your deadline.

None of these routes is certain to work, and a small claim still costs you a filing fee and a day. Whether it is worth it depends on the size of the number, which is the first thing to establish.

What our Complete package includes for this

If you expect resistance, the Complete package is built for the part after the first letter: four follow-up letters written for the four answers above — no response, a formula-based offer, "the repairs restored the vehicle", and a low offer — plus an escalation guide with your state's regulator, its complaint route and its small claims court. You send all of it yourself. We do not contact your insurer.