Cook County Value

101 S County Line Rd, Hinsdale, IL 60521

5 bed / 4 bath, 5,991 sqft, built 1994. Assessor market value for 2026: $1,340,000.

Cook County account 18071050020000

Assessor market value
$1,340,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,991 sqft
$224 per sqft
Year built
1994
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 increased 34.0% from $1,000,000 in 2025 to $1,340,000 in 2026.
  • Assessor market value per square footThe current public record shows about $224 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.

  • 101 S County Line Rd, Hinsdale, IL 60521
    5,991 sqft | $224/sqft | built 1994 | Similar size (5,991 vs 5,991 sqft); Built same year (1994); Similar lot size (15,000 vs 15,000 sqft)
    $1,340,000
  • 545 Woodside Ave, Hinsdale, IL 60521
    5,676 sqft | $470/sqft | built 1999 | 5% smaller (5,676 vs 5,991 sqft); Similar age (1999 vs 1994); Similar lot size (16,296 vs 15,000 sqft)
    $2,670,000
  • 736 McKinley Ln, Hinsdale, IL 60521
    5,998 sqft | $445/sqft | built 1996 | Similar size (5,998 vs 5,991 sqft); Similar age (1996 vs 1994); Same quality (Average)
    $2,670,000
  • 144 Hillcrest Dr, Hinsdale, IL 60521
    5,930 sqft | $499/sqft | built 2001 | Similar size (5,930 vs 5,991 sqft); Same quality (Average); Same bed/bath (5/4)
    $2,960,000
  • 804 Cleveland Rd, Hinsdale, IL 60521
    5,901 sqft | $429/sqft | built 1993 | Similar size (5,901 vs 5,991 sqft); Similar age (1993 vs 1994); Same quality (Average)
    $2,530,000

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 34.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,340,000+$340,000+34.0%
2025$1,000,000$00.0%
2024$1,000,000$00.0%
2023$1,000,000−$42,740−4.1%
2022$1,042,740$00.0%
2021$1,042,740+$100.0%
2020$1,042,730——
6-year total+$297,270+28.5%