Cook County Value

17923 Glen Oak Ave, Lansing, IL 60438

3 bed / 1 bath, 1,106 sqft, built 1953, in Thornton. Assessor market value for 2025: $116,360.

Cook County account 30311030060000

Assessor market value
$116,360
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,106 sqft
$105 per sqft
Year built
1953
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 $116,360 in 2024 to $116,360 in 2025.
  • Assessor market value per square footThe current public record shows about $105 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.

  • 3632 177th Pl, Lansing, IL 60438
    1,102 sqft | $105/sqft | built 1952 | Similar size (1,102 vs 1,106 sqft); Similar age (1952 vs 1953); Similar lot size (4,960 vs 4,920 sqft)
    $116,000
  • 17837 Glen Oak Ave, Lansing, IL 60438
    1,120 sqft | $118/sqft | built 1956 | Similar size (1,120 vs 1,106 sqft); Similar age (1956 vs 1953); Similar lot size (4,960 vs 4,920 sqft)
    $131,850
  • 17749 Wentworth Ave, Lansing, IL 60438
    1,117 sqft | $109/sqft | built 1957 | Similar size (1,117 vs 1,106 sqft); Similar age (1957 vs 1953); Similar lot size (5,000 vs 4,920 sqft)
    $121,440
  • 3618 177th St, Lansing, IL 60438
    1,120 sqft | $116/sqft | built 1958 | Similar size (1,120 vs 1,106 sqft); Similar age (1958 vs 1953); Similar lot size (4,960 vs 4,920 sqft)
    $130,000
  • 3633 177th Pl, Lansing, IL 60438
    1,095 sqft | $109/sqft | built 1947 | Similar size (1,095 vs 1,106 sqft); Similar lot size (4,960 vs 4,920 sqft); Same quality (Average)
    $119,300

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

Down 9.1% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$116,360−$11,640−9.1%
2024$128,000$00.0%
2023$128,000+$42,190+49.2%
2022$85,810$00.0%
2021$85,810−$9,430−9.9%
2020$95,240——
5-year total+$21,120+22.2%