Washington Diminished Value Claim

Can you claim diminished value in Washington?

Yes. Washington treats diminished value as an element of the property damage caused by the at-fault driver. When someone else damages your car, the law entitles you to be put back in the position you were in before, and paying only for the repair does not do that if the car is worth less afterwards because the accident now sits on its permanent record.

The authority: Moeller v. Farmers Ins. Co. of Washington, 267 P.3d 998 (Wash. 2011) (first-party DV coverage). Third-party measure: 6 Wash. Prac., Wash. Pattern Jury Instr. Civ. WPI 30.11, the lesser of reasonable repair cost or the before/after difference in fair cash market value.

This is a claim against the other driver's liability insurer, made under their property damage liability coverage. It is separate from, and additional to, whatever that insurer already paid to repair your vehicle. Filing it does not touch your own policy and cannot raise your premium.

Your filing deadline in Washington

Washington gives you 3 years from the date of the accident to bring a claim for damage to personal property, under RCW 4.16.080(2). Note that this is the property damage limit, which in many states is different from the deadline for an injury claim. Do not assume the two are the same.

Verified against the RCW: three years for 'an action for taking, detaining, or injuring personal property... or for any other injury to the person or rights of another.' The same subsection covers general negligence, so in Washington the property-damage and personal-injury deadlines are both three years. There is no longer property window here.

In practice you should move much faster than the deadline allows. The limitation period applies to filing a lawsuit, not to sending a demand letter, and negotiating with an adjuster routinely takes four to eight weeks. A claim presented promptly after repairs are finished is also simply more credible than one that surfaces eighteen months later.

Can you claim from your own insurer in Washington?

Washington is one of the few states that also recognises a first-party diminished value claim, meaning you may be able to recover from your own collision carrier, even if the accident was your fault. Yes, one of only a handful of 'yes' states. Moeller v. Farmers Ins. Co. of Washington, 267 P.3d 998 (Wash. 2011) held a policy promising to 'repair or replace with other of like kind and quality' covers post-repair diminished value. The holding is policy-language dependent and many insurers revised forms after 2011, so check your wording.

If you were partly at fault

Washington applies pure comparative negligence. Your recovery is reduced by your share of fault, but you can recover something even if you were mostly responsible. If you are found 30% at fault on a $4,000 claim, you recover $2,800.

What is distinctive about claiming in Washington

Washington is backwards from most states: your own collision carrier may owe DV under Moeller, so read your policy before assuming you must chase the other driver. On the third-party side the pattern instruction (WPI 30.11) states the classic 'lesser of repair cost or before/after diminution' measure, and no published Washington appellate case squarely awards third-party residual DV on top of full repairs, carriers do pay these, but expect pushback and bring a credible appraisal. Washington is pure comparative fault, so partial fault reduces but never bars recovery. PIP must be offered but can be rejected in writing and does not restrict your tort claim.