Cook County Value

730 McKinley Ln, Hinsdale, IL 60521

6 bed / 5 bath, 6,422 sqft, built 2011. Assessor market value for 2026: $3,670,000.

Cook County account 18073030120000

Assessor market value
$3,670,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
6,422 sqft
$571 per sqft
Year built
2011
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 CCAO Appraisal Area 21061 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 changed from $2,112,580 in 2025 to $3,670,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $571 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 60521.
  • Neighborhood value signalAmong 384 residential records in the same neighborhood, the average assessor market value is about $439 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +37.7% on average.

Comparable assessments

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

  • 760 Wilson Ln, Hinsdale, IL 60521
    6,282 sqft | $479/sqft | built 2005 | Similar size (6,282 vs 6,422 sqft); Similar lot size (19,500 vs 18,200 sqft); Same quality (Average)
    $3,010,000
  • 542 Woodside Ave, Hinsdale, IL 60521
    6,357 sqft | $510/sqft | built 2005 | Similar size (6,357 vs 6,422 sqft); Similar lot size (19,404 vs 18,200 sqft); Same quality (Average)
    $3,240,000
  • 750 Wilson Ln, Hinsdale, IL 60521
    5,989 sqft | $488/sqft | built 2007 | 7% smaller (5,989 vs 6,422 sqft); Similar age (2007 vs 2011); Similar lot size (19,500 vs 18,200 sqft)
    $2,920,000
  • 919 S County Line Rd, Hinsdale, IL 60521
    6,607 sqft | $371/sqft | built 2001 | Similar size (6,607 vs 6,422 sqft); Similar lot size (19,000 vs 18,200 sqft); Same quality (Average)
    $2,450,000
  • 320 Princeton Rd, Hinsdale, IL 60521
    6,404 sqft | $587/sqft | built 2023 | Similar size (6,404 vs 6,422 sqft); Similar lot size (19,593 vs 18,200 sqft); Same quality (Average)
    $3,760,000

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 73.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$3,670,000+$1,557,420+73.7%
2025$2,112,580−$278,070−11.6%
2024$2,390,650−$589,350−19.8%
2023$2,980,000+$817,710+37.8%
2022$2,162,290$00.0%
2021$2,162,290−$184,160−7.8%
2020$2,346,450——
6-year total+$1,323,550+56.4%