Cook County Value

18106 Whitman Ln, Lansing, IL 60438

5 bed / 2 bath, 2,348 sqft, built 1985, in Thornton Assessor market value for 2025: $330,000.

Cook County account 29361100320000

Assessor market value
$330,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,348 sqft
$141 per sqft
Year built
1985
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 $330,000 in 2024 to $330,000 in 2025.
  • Assessor market value per square footThe current public record shows about $141 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 199 residential records in the same neighborhood, the average assessor market value is about $133 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.

  • 18240 Clyde Ave, Lansing, IL 60438
    2,333 sqft | $129/sqft | built 1983 | Similar size (2,333 vs 2,348 sqft); Similar age (1983 vs 1985); Similar lot size (12,369 vs 13,017 sqft)
    $300,000
  • 18069 Whitman, Lansing, IL 60438
    2,429 sqft | $136/sqft | built 1985 | Similar size (2,429 vs 2,348 sqft); Built same year (1985); Lot 12% smaller (11,504 vs 13,017 sqft)
    $330,000
  • 18070 Whitman Ln, Lansing, IL 60438
    2,286 sqft | $130/sqft | built 1985 | Similar size (2,286 vs 2,348 sqft); Built same year (1985); Lot 13% smaller (11,328 vs 13,017 sqft)
    $298,170
  • 18112 Whitman Ln, Lansing, IL 60438
    2,601 sqft | $123/sqft | built 1985 | 11% larger (2,601 vs 2,348 sqft); Built same year (1985); Similar lot size (12,617 vs 13,017 sqft)
    $320,000
  • 18117 Whitman Ln, Lansing, IL 60438
    2,292 sqft | $124/sqft | built 1987 | Similar size (2,292 vs 2,348 sqft); Similar age (1987 vs 1985); Lot 16% smaller (10,936 vs 13,017 sqft)
    $284,320

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

No change in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$330,000$00.0%
2024$330,000$00.0%
2023$330,000+$144,930+78.3%
2022$185,070$00.0%
2021$185,070$00.0%
2020$185,070——
5-year total+$144,930+78.3%