Cook County Value

18133 School St, Lansing, IL 60438

3 bed / 2 bath, 1,634 sqft, built 1995, in Thornton. Assessor market value for 2025: $181,810.

Cook County account 30312210770000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$181,810
Similar homes$202,616
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$181,810
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,634 sqft
$111 per sqft
Year built
1995
Average quality

What we found

Similar homes' assessments

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $124.00/sqft, which supports a value of $202,616.

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 $181,810 in 2024 to $181,810 in 2025.
  • Assessor market value per square footThe current public record shows about $111 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

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

  • 17838 Rose Ave, Lansing, IL 60438
    1,608 sqft | $149/sqft | built 2005 | Similar size (1,608 vs 1,634 sqft); Same quality (Average); Same bed/bath (3/2)
    $240,000
  • 17615 Wright St, Lansing, IL 60438
    1,800 sqft | $133/sqft | built 1996 | 10% larger (1,800 vs 1,634 sqft); Similar age (1996 vs 1995); Lot 19% larger (7,421 vs 6,255 sqft)
    $240,000
  • 2730 Ridge Rd, Lansing, IL 60438
    1,390 sqft | $118/sqft | built 2001 | 15% smaller (1,390 vs 1,634 sqft); Similar lot size (6,875 vs 6,255 sqft); Same quality (Average)
    $164,000
  • 17638 Wright St, Lansing, IL 60438
    1,472 sqft | $136/sqft | built 1989 | 10% smaller (1,472 vs 1,634 sqft); Same quality (Average); Same neighborhood
    $200,000
  • 17849 Rose St, Lansing, IL 60438
    1,810 sqft | $98/sqft | built 1990 | 11% larger (1,810 vs 1,634 sqft); Similar age (1990 vs 1995); Same quality (Average)
    $177,650

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 17.4% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$181,810−$38,190−17.4%
2024$220,000$00.0%
2023$220,000+$55,380+33.6%
2022$164,620$00.0%
2021$164,620+$100.0%
2020$164,610——
5-year total+$17,200+10.4%