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Massachusetts claim laws: total loss, diminished value & loss of use.

The three questions every Massachusetts claimant asks — what totals my car, can I recover lost value, and what is my downtime worth — answered with the rules that actually govern them.

This guide is general information, not legal advice. Thresholds, limitation periods, and case law change — verify current law or consult a Massachusetts attorney before relying on any entry.

1. When is a vehicle a total loss in Massachusetts?

Massachusetts does not use a fixed percentage threshold. It follows a Total Loss Formula (TLF): a vehicle is a total loss when the cost of repairs plus the salvage value meets or exceeds its actual cash value. That makes the ACV itself the number that decides everything — if the ACV is understated, both the total loss decision and your payout are wrong.

2. Is diminished value recoverable in Massachusetts?

Third-party claims (the at-fault driver's insurer): Limited. Recoverable in tort (McGilloway, 2021), but the 2016 standard policy language excludes it (Merullo, 2022) — the policy year matters.

3. What is loss of use worth in Massachusetts?

Loss of use is generally pursued against the at-fault carrier as the reasonable rental value of a comparable vehicle for the reasonable period of repair — in most states whether or not you actually rented one. Delays attributable to the insurer extend the compensable period, not shrink it.

How this plays out in a real claim

Know your rights. Then use them.

Sixty seconds tells you which of these laws is your leverage — and what the claim is likely worth.

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