Cook County Value

17828 Glen Oak Ave, Lansing, IL 60438

2 bed / 1 bath, 1,098 sqft, built 1936, in Thornton. Assessor market value for 2025: $120,000.

Cook County account 30311000320000

In line with similar homes

8 similar homes nearby support a value within $100 of yours.

Assessor market value$120,000
Similar homes$119,978
$22 gap: no meaningful difference · bars start at $0

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

Assessor market value
$120,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,098 sqft
$109 per sqft
Year built
1936
Average quality

What we found

Similar homes' assessments

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $109.27/sqft, which supports a value of $119,978.

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 $120,000 in 2024 to $120,000 in 2025.
  • Assessor market value per square footThe current public record shows about $109 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.

  • 18042 Oakwood Ave, Lansing, IL 60438
    1,090 sqft | $157/sqft | built 1942 | Similar size (1,090 vs 1,098 sqft); Similar lot size (5,000 vs 4,960 sqft); Same quality (Average)
    $171,000
  • 17818 Glen Oak Ave, Lansing, IL 60438
    1,089 sqft | $109/sqft | built 1939 | Similar size (1,089 vs 1,098 sqft); Similar age (1939 vs 1936); Similar lot size (4,960 vs 4,960 sqft)
    $119,000
  • 3665 177th Pl, Lansing, IL 60438
    1,104 sqft | $108/sqft | built 1932 | Similar size (1,104 vs 1,098 sqft); Similar age (1932 vs 1936); Similar lot size (4,960 vs 4,960 sqft)
    $119,000
  • 18015 Oakwood Ave, Lansing, IL 60438
    1,080 sqft | $130/sqft | built 1942 | Similar size (1,080 vs 1,098 sqft); Similar lot size (5,000 vs 4,960 sqft); Same quality (Average)
    $140,000
  • 18009 Oakwood Ave, Lansing, IL 60438
    1,080 sqft | $96/sqft | built 1943 | Similar size (1,080 vs 1,098 sqft); Similar lot size (5,000 vs 4,960 sqft); Same quality (Average)
    $104,000

Recent comparable sales

Sales selected by similarity to the subject property.

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$120,000$00.0%
2024$120,000$00.0%
2023$120,000+$30,270+33.7%
2022$89,730$00.0%
2021$89,730+$100.0%
2020$89,720——
5-year total+$30,280+33.7%