Cook County Value

18004 Oakley Ave, Lansing, IL 60438

4 bed / 1 bath, 1,975 sqft, built 1954, in Thornton. Assessor market value for 2025: $186,420.

Cook County account 30311130300000

Assessor market value
$186,420
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,975 sqft
$94 per sqft
Year built
1954
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 60438 and Thornton assessment pages.

Appeal deadlines

Thornton 2026 appeal dates 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 stayed about the same, from $186,420 in 2024 to $186,420 in 2025.
  • Assessor market value per square footThe current public record shows about $94 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Thornton neighborhood and ZIP 60438.
  • Neighborhood value signalAmong 2,724 residential records in the same neighborhood, the average assessor market value is about $102 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 18023 Arcadia Ave, Lansing, IL 60438
    2,021 sqft | $114/sqft | built 1951 | Similar size (2,021 vs 1,975 sqft); Similar age (1951 vs 1954); Similar lot size (9,450 vs 9,147 sqft)
    $230,000
  • 17800 Clyde Ave, Lansing, IL 60438
    2,065 sqft | $51/sqft | built 1957 | Similar size (2,065 vs 1,975 sqft); Similar age (1957 vs 1954); Similar lot size (9,300 vs 9,147 sqft)
    $106,050
  • 17634 William St, Lansing, IL 60438
    1,978 sqft | $111/sqft | built 1962 | Similar size (1,978 vs 1,975 sqft); Similar lot size (8,400 vs 9,147 sqft); Same quality (Average)
    $220,280
  • 2528 Indiana Ave, Lansing, IL 60438
    1,865 sqft | $98/sqft | built 1950 | 6% smaller (1,865 vs 1,975 sqft); Similar age (1950 vs 1954); Similar lot size (9,250 vs 9,147 sqft)
    $183,470
  • 17629 Bernadine St, Lansing, IL 60438
    1,802 sqft | $122/sqft | built 1960 | 9% smaller (1,802 vs 1,975 sqft); Similar lot size (8,540 vs 9,147 sqft); Same quality (Average)
    $220,010

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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

Down 11.2% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$186,420−$23,590−11.2%
2024$210,010−$40,000−16.0%
2023$250,010+$109,620+78.1%
2022$140,390$00.0%
2021$140,390+$100.0%
2020$140,380——
5-year total+$46,040+32.8%