Insurer guide · When a claim stalls
Why insurers deny or reduce diminished value claims
Adjusters usually give one of a handful of reasons: the car was fully repaired, the state or the policy does not allow the claim, a formula produced a low figure, the loss is not proven, the car was old or already damaged, or a release was signed. Some of these are correct statements of law for some claims. Others are disputes about evidence, which documents can answer.
By the Autoloss team · Reviewed by Monica Fisher · Published
Get the reason in writing first
A denial or a low offer is much easier to deal with once you know exactly why it was made. Ask the adjuster to put the reason in writing and to say what any figure is based on. Some states require this. In California, an insurer that denies a first-party claim must do so in writing and list the factual and legal bases for each reason, and an insurer that denies a third-party claim or disputes liability or damages must also do so in writing (10 CCR §2695.7(b)(1)). Other states’ rules differ; insurer not responding or delaying covers response deadlines. Once you have the reason, it usually fits one of the rows below.
The common reasons, what they may mean, and what answers them
| Reason given | What it may mean | Evidence that answers it |
| “The car was repaired to pre-loss condition.” | The adjuster is saying the repair restored the car, so nothing more is owed. On your own policy, some courts have read repair-or-replace wording this way. Against an at-fault driver, the question is what your state’s law allows for value lost after repair. | The final repair invoice and supplements, photos, and evidence of the car’s market value before the loss and after repair. |
| “Your state doesn’t recognise diminished value.” | Often a reference to a court decision on policy wording. A ruling about a first-party policy does not decide a claim against an at-fault driver, which rests on state property damage law. | The name of the decision or statute relied on, checked against diminished value laws by state. |
| “Your policy excludes it.” | Some policies do exclude it in express words, and courts have enforced that wording. This applies only to a claim on your own coverage. | The full policy, including every endorsement, and the exact clause the adjuster is relying on. |
| A formula figure that is low or zero | The insurer used its own method. Some formulas reduce the figure sharply for mileage or damage type, and can reach zero on a high-mileage car. How the 17c formula works explains one. | A written statement of the method and inputs used, and a market-based valuation of your vehicle. |
| “There is no proof of loss.” | Either the insurer is waiting for documents, or it does not accept the evidence you sent. Ask which. | A written list of what is missing. In California the insurer must specify what the claimant must provide for proof of claim (10 CCR §2695.5(e)(2)). |
| “The car is older” or “it had prior damage.” | Age, mileage and earlier repairs all affect market value, so these go to how much was lost. | Service and prior repair records, a vehicle history report, and comparables that match the car’s age and history. |
| “You already signed a release.” | A release covering all property damage usually ends the claim. Its wording decides what it covers. | A copy of the signed document. After your appraisal covers releases. |
When the reason is a legal one
Three of the reasons, the state, the policy and the release, are legal questions. For a claim on your own policy, courts have split. The Illinois Appellate Court in Sims v. Allstate (2006) held that the collision policy before it did not require payment for a repaired car’s lost market value, and the Fifth Circuit in Watkins v. Allstate (2024) upheld, under Mississippi law, an uninsured motorist exclusion for “any decrease in the property’s value, however measured.” The Oregon Supreme Court (Gonzales, 2008) and the Washington Supreme Court (Moeller, 2011) went the other way on the Farmers policies before them. The Allstate and Farmers guides give the detail. Autoloss is independent and is not affiliated with or endorsed by any insurer; company names appear only because the courts named them.
Each of those rulings read one policy form under one state’s law. If the adjuster cites a decision, find out which state it comes from and whether it concerned a first-party or a third-party claim. First-party vs third-party diminished value explains why that difference matters so much.
When the reason is about evidence
The other reasons are about facts: whether the repair fully restored the car, how much value was lost, and how age, mileage and earlier damage affect it. Those are answered with records. The repair order shows what was damaged and how it was fixed. Photos show the damage before repair. Comparable vehicles show what similar cars sell for with and without an accident history. For prior damage, prior accidents and second claims explains how earlier repairs are separated from the new loss.
If the insurer’s figure came from a formula and yours came from somewhere else, insurer offer vs independent appraisal compares the methods. An Autoloss diminished value appraisal is prepared from your repair order, photos and records, costs $250–$350 in a typical case and is typically 24–48 hours after all required information is received. The claim review that comes first is free. An appraisal is evidence of the loss, not a promise of payment.
Answering the reason in writing
Reply to the reason the adjuster actually gave. If it was a formula figure, ask for the method and inputs. If it was missing proof, send what is listed and ask for confirmation that the file is complete. If it was a legal reason, ask for the decision, statute or policy clause relied on. Keep each letter short, quote the claim number, and keep a dated copy. Autoloss is not a law firm or a public adjuster and does not negotiate with insurers. We answer the insurer’s questions about how our report was prepared; you, or your attorney, handle the claim.
If the claim goes nowhere
If the insurer stops answering, insurer not responding or delaying sets out the response deadlines in several states and what to put in writing. If you think the handling itself was unreasonable, what counts as insurance bad faith explains where the legal line sits. Keep an eye on your filing deadline in the meantime; property damage deadlines by state lists them. Rules vary by state.
Sources
- Cal. Code Regs. tit. 10, §2695.7 (Standards for Prompt, Fair and Equitable Settlements)
- Cal. Code Regs. tit. 10, §2695.5 (Duties Upon Receipt of Communications)
- Sims v. Allstate Ins. Co., 365 Ill. App. 3d 997, 851 N.E.2d 701 (5th Dist. 2006)
- Watkins v. Allstate Prop. & Cas. Ins. Co., No. 23-60141 (5th Cir. Jan. 12, 2024)
- Gonzales v. Farmers Ins. Co. of Oregon, 345 Or 382, 196 P3d 1 (2008)
- Moeller v. Farmers Ins. Co. of Washington, 173 Wn.2d 264, 267 P.3d 998 (2011)
Common questions
Is “repaired to pre-loss condition” a valid reason to deny diminished value?
It depends on the claim. On your own policy, some courts have accepted that a full repair is all the policy owes, and others have not. Against an at-fault driver, your state’s property damage law decides whether value lost after repair can be recovered.
Can an insurer’s formula give zero for diminished value?
Yes. Some formulas reduce the figure for mileage or type of damage until nothing is left. A zero from a formula reflects the method used. Ask for the inputs in writing and compare them with market evidence for your car.
What if I signed a release before raising diminished value?
Read the release itself. One that covers all property damage from the accident usually ends the claim, while narrower wording may not. If the wording is unclear, an attorney in your state can tell you what it covers.
Keep reading
More from the insurer guide
When a claim stalls
Insurer not responding or delaying? What the rules require
Response deadlines in three states, who enforces them, and what to send.
When a claim stalls
What counts as insurance bad faith, and what doesn’t
The duty to policyholders, the limits for third parties, and two rejected claims.
Start here
Filing a diminished value claim with any insurer
The six steps that do not change from one insurer to the next.
Rulings in five or more states
Diminished value claims with State Farm
Rulings from nine states, from Georgia’s Mabry decision onward.
Not sure whether an appraisal will help?
The claim review is free: we look at your situation and tell you whether an appraisal is likely to help. The appraisal itself is a paid report. We help from start to finish, including a custom demand letter, and our support staff is a phone call away throughout the process.