Cook County Value

18531 Olde Farm Rd, Lansing, IL 60438

3 bed / 1 bath, 1,742 sqft, built 1982, in Thornton. Assessor market value for 2025: $228,890.

Cook County account 29364140160000

Assessor market value
$228,890
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,742 sqft
$131 per sqft
Year built
1982
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 $228,890 in 2024 to $228,890 in 2025.
  • Assessor market value per square footThe current public record shows about $131 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 18424 Clyde Ave, Lansing, IL 60438
    1,824 sqft | $132/sqft | built 1978 | Similar size (1,824 vs 1,742 sqft); Similar age (1978 vs 1982); Similar lot size (7,920 vs 7,680 sqft)
    $240,000
  • 18518 Clyde Ave, Lansing, IL 60438
    1,804 sqft | $133/sqft | built 1978 | Similar size (1,804 vs 1,742 sqft); Similar age (1978 vs 1982); Similar lot size (7,920 vs 7,680 sqft)
    $240,020
  • 18511 Carriage Ln, Lansing, IL 60438
    1,654 sqft | $133/sqft | built 1978 | 5% smaller (1,654 vs 1,742 sqft); Similar age (1978 vs 1982); Similar lot size (7,689 vs 7,680 sqft)
    $219,520
  • 18433 Olde Farm Rd, Lansing, IL 60438
    1,818 sqft | $135/sqft | built 1988 | Similar size (1,818 vs 1,742 sqft); Similar lot size (7,680 vs 7,680 sqft); Same quality (Average)
    $245,860
  • 18548 Clyde Ave, Lansing, IL 60438
    1,812 sqft | $130/sqft | built 1987 | Similar size (1,812 vs 1,742 sqft); Similar age (1987 vs 1982); Similar lot size (7,920 vs 7,680 sqft)
    $235,090

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$228,890$00.0%
2024$228,890−$11,110−4.6%
2023$240,000+$113,460+89.7%
2022$126,540−$21,970−14.8%
2021$148,510$00.0%
2020$148,510——
5-year total+$80,380+54.1%