Cook County Value

9001 Oakgrove St Hinsdale

3 bed / 2 bath, 1,678 sqft, built 1955. Assessor market value for 2026: $440,000.

Cook County account 23062000800000

Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,678 sqft
$262 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 CCAO Appraisal Area 21151 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 48.2% from $296,960 in 2025 to $440,000 in 2026.
  • Assessor market value per square footThe current public record shows about $262 per square foot before any comparable-property adjustments.
  • Neighborhood value signalAmong 331 residential records in the same neighborhood, the average assessor market value is about $285 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +34.9% on average.

Comparable assessments

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

  • 91 Orchard St, Hinsdale, IL 60521
    1,620 sqft | $253/sqft | built 1955 | Similar size (1,620 vs 1,678 sqft); Built same year (1955); Similar lot size (44,169 vs 43,560 sqft)
    $410,000
  • 8921 Maple Ave, Hinsdale, IL 60527
    1,586 sqft | $277/sqft | built 1964 | 6% smaller (1,586 vs 1,678 sqft); Similar lot size (43,560 vs 43,560 sqft); Same quality (Average)
    $440,000
  • 8900 Orchard St Burr Ridge, IL 60527
    1,858 sqft | $318/sqft | built 1957 | 11% larger (1,858 vs 1,678 sqft); Similar age (1957 vs 1955); Similar lot size (44,169 vs 43,560 sqft)
    $590,000
  • 8700 S Wolf Rd Burr Ridge, IL 60527
    1,626 sqft | $326/sqft | built 1954 | Similar size (1,626 vs 1,678 sqft); Similar age (1954 vs 1955); Lot 16% larger (50,486 vs 43,560 sqft)
    $530,010
  • 8901 S Elm St Hinsdale
    1,623 sqft | $290/sqft | built 1949 | Similar size (1,623 vs 1,678 sqft); Lot 13% smaller (37,940 vs 43,560 sqft); Same quality (Average)
    $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. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 48.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,000+$143,040+48.2%
2025$296,960$00.0%
2024$296,960−$406,410−57.8%
2023$703,370+$444,990+172.2%
2022$258,380$00.0%
2021$258,380$00.0%
2020$258,380——
6-year total+$181,620+70.3%