Cook County Value

603 The Ln, Hinsdale, IL 60521

3 bed / 2 bath, 1,398 sqft, built 1955, in Lyons. Assessor market value for 2026: $590,000.

Cook County account 18061250170000

Assessor market value
$590,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,398 sqft
$422 per sqft
Year built
1955
Average quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60521 and Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value increased 40.5% from $420,010 in 2025 to $590,000 in 2026.
  • Assessor market value per square footThe current public record shows about $422 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60521.
  • Neighborhood value signalAmong 359 residential records in the same neighborhood, the average assessor market value is about $397 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.0% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 438 Phillippa St, Hinsdale, IL 60521
    1,390 sqft | $489/sqft | built 1954 | Similar size (1,390 vs 1,398 sqft); Similar age (1954 vs 1955); Similar lot size (7,875 vs 7,860 sqft)
    $680,000
  • 542 Highland Rd, Hinsdale, IL 60521
    1,392 sqft | $445/sqft | built 1965 | Similar size (1,392 vs 1,398 sqft); Similar lot size (7,738 vs 7,860 sqft); Same quality (Average)
    $620,000
  • 525 Justina St, Hinsdale, IL 60521
    1,350 sqft | $407/sqft | built 1957 | Similar size (1,350 vs 1,398 sqft); Similar age (1957 vs 1955); Similar lot size (7,560 vs 7,860 sqft)
    $550,000
  • 619 Phillippa St, Hinsdale, IL 60521
    1,440 sqft | $382/sqft | built 1957 | Similar size (1,440 vs 1,398 sqft); Similar age (1957 vs 1955); Similar lot size (7,500 vs 7,860 sqft)
    $550,000
  • 721 Justina St, Hinsdale, IL 60521
    1,368 sqft | $344/sqft | built 1957 | Similar size (1,368 vs 1,398 sqft); Similar age (1957 vs 1955); Similar lot size (7,434 vs 7,860 sqft)
    $470,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 40.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$590,000+$169,990+40.5%
2025$420,010$00.0%
2024$420,010$00.0%
2023$420,010+$83,550+24.8%
2022$336,460$00.0%
2021$336,460+$100.0%
2020$336,450——
6-year total+$253,550+75.4%