Montana Diminished Value Claims
What Montana Drivers Need to Know
Montana's wide-open highways mean plenty of miles between Billings, Missoula, and Great Falls, but an accident anywhere along the way leaves the same mark on a vehicle's history — and that history shows up as a lower resale price even after a top-quality repair. When another driver is at fault, Montana law allows that loss in value to be recovered as part of your property damage claim against their insurer. The window to act is short: two years from the date of the accident, so early documentation matters.
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01
Two-Year Filing Window
Montana allows two years from the date of the accident to pursue a diminished value claim.
02
Filing Against the At-Fault Driver
Diminished value claims can be pursued against the at fault driver’s liability insurance when another driver caused the accident.
03
Your Own Policy Usually Won't Cover It
Most first party policies in Montana do not cover diminished value, and uninsured or underinsured motorist coverage generally does not apply to diminished value claims.
04
Montana Small Claims Limit: $7,000
Montana small claims court allows diminished value claims up to $7,000.
How Montana Law Treats Diminished Value
Montana follows the general tort principle that damages to personal property are measured by the actual loss in value the injury caused — not simply by what the repair shop charged.
Restatement (Second) of Torts § 928 – Harm to Chattels
This governing principle holds that when personal property is damaged but not destroyed, damages include the difference between the property's value before the harm and its value afterward. Where appropriate, damages may also include the reasonable cost of repair, with an allowance for whatever loss in value remains once repairs are finished.
Montana Diminished Value: Common Questions
Below are answers to common questions about Montana diminished value claims, including how claims work, time limits, and how loss in market value is calculated after an accident.
Can Montana drivers actually recover diminished value?
Yes — Montana recognizes third-party diminished value claims when another driver is responsible for the accident.
The other driver caused the crash — who do I file against?
Montana follows a fault-based system for property damage, so the claim runs against the at-fault driver's liability insurance.
Does my own auto policy cover this instead?
Generally not, unless first-party diminished value coverage has been specifically added to your policy.
What method is used to calculate the loss?
There's no mandated formula in Montana. A market comparison of similar vehicles is the standard method for showing measurable resale impact.
How much time do I have to file?
Two years from the date of the accident under Montana's statute of limitations.
Do insurers pay these claims without pushback?
They'll pay when the claim is backed by clear documentation of measurable market loss — without that, expect resistance.
Still have a question?
Our Montana Diminished Value Guide provides additional information about pursuing diminished value and evaluating vehicle value loss after an accident.
Drivers traveling across Montana’s large geographic region may encounter different diminished value rules in Idaho, Wyoming, North Dakota, and South Dakota.