Cook County Value

2261 138th St, Blue Island, IL 60406

2 bed / 1 bath, 924 sqft, built 1922, in Thornton. Assessor market value for 2025: $99,000.

Cook County account 29061090040000

Assessor market value
$99,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
924 sqft
$107 per sqft
Year built
1922
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 60406 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 $99,000 in 2024 to $99,000 in 2025.
  • Assessor market value per square footThe current public record shows about $107 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 60406.
  • Neighborhood value signalAmong 234 residential records in the same neighborhood, the average assessor market value is about $97 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.

  • 2247 138th St, Blue Island, IL 60406
    1,012 sqft | $135/sqft | built 1925 | 10% larger (1,012 vs 924 sqft); Similar age (1925 vs 1922); Similar lot size (9,391 vs 9,300 sqft)
    $137,000
  • 2251 138th St, Blue Island, IL 60406
    1,012 sqft | $135/sqft | built 1921 | 10% larger (1,012 vs 924 sqft); Similar age (1921 vs 1922); Similar lot size (9,300 vs 9,300 sqft)
    $137,000
  • 2345 Grove Ave Posen, IL 60469
    980 sqft | $83/sqft | built 1922 | 6% larger (980 vs 924 sqft); Built same year (1922); Lot 13% smaller (8,125 vs 9,300 sqft)
    $81,010
  • 14522 Short Ave Posen, IL 60469
    888 sqft | $99/sqft | built 1908 | Similar size (888 vs 924 sqft); Similar lot size (8,978 vs 9,300 sqft); Same quality (Average)
    $88,000
  • 2330 135th Pl, Blue Island, IL 60406
    832 sqft | $103/sqft | built 1926 | 10% smaller (832 vs 924 sqft); Similar age (1926 vs 1922); Similar lot size (10,000 vs 9,300 sqft)
    $86,000

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$99,000$00.0%
2024$99,000$00.0%
2023$99,000+$36,770+59.1%
2022$62,230$00.0%
2021$62,230$00.0%
2020$62,230——
5-year total+$36,770+59.1%