Can I file a diminished value claim against my own insurer in Illinois?

No — Illinois limits DV recovery to third-party claims against the at-fault driver's insurer.

Does Illinois use comparative or contributory negligence?

Illinois uses the Modified comparative rule.

ILLINOIS (IL)

Illinois Diminished Value Claim — Recover $3,000 – $12,000

Illinois is a Modified comparative state with a 5 years for property damage. DV recovery is available against the at-fault driver's insurer. USPAP-compliant appraisal report delivered in 24 hours.

Get Your Free Estimate Order DV Report — $249

Fault Rule

Modified comparative

Statute of Limitations

5 years for property damage

Typical Recovery

$3,000 – $12,000

Small Claims Limit

$10,000

Illinois Diminished Value Law — What You Need To Know

Illinois's 5-year statute is among the longest, giving claimants time to document late-discovered DV (e.g., trade-in offer reveals lower-than-market value). State Farm is HQ'd in Bloomington and processes Illinois claims with above-average sophistication — strong appraisal evidence is decisive.

Statute citation

735 ILCS §5/13-205

Landmark case

Carlyle v. Jaskiewicz (Ill. App. 1984) — repaired-vehicle DV is recoverable.

First-party DV

❌ Not available

Third-party DV

✅ Allowed

Appraisal clause

Standard in most policies

Small claims limit

$10,000

Illinois Filing Tip

Document trade-in offers BEFORE accepting any settlement — Illinois courts treat trade-in shortfall as direct DV evidence.

What Drives DV Settlements in Illinois

Comparable sales of similar wreck-free vehicles in the same regional market, paired with a USPAP-compliant report citing repair severity and structural damage.

How to File a DV Claim in Illinois

1
Complete repairs at a licensed body shop and obtain a complete itemized repair invoice with all OEM/aftermarket part designations.
2
Order a USPAP-compliant diminished value appraisal report grounded in Chicago-area comparable sales (TOP-DV delivers within 24 hours for $249).
3
Submit a written demand to the at-fault driver's insurer with the appraisal attached, citing 735 ILCS §5/13-205 and Carlyle v. Jaskiewicz (Ill. App. 1984).
4
If the carrier refuses or counters low, invoke the appraisal clause in writing.
5
Settlement typically reached within 2-6 weeks once a credible appraisal is on file.

Escalation: Illinois Department of Insurance

File a complaint with Illinois Department of Insurance

https://insurance.illinois.gov/Consumer/file-complaint.html

If the at-fault carrier refuses to negotiate after receiving a USPAP-compliant appraisal, file simultaneously with the state DOI — this regulatory pressure routinely accelerates settlement.