Cook County Value

2261 121st Pl, Blue Island, IL 60406

3 bed / 1 bath, 1,747 sqft, built 1930, in Calumet. Assessor market value for 2026: $170,000.

Cook County account 25301280040000

In line with similar homes

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

Assessor market value$170,000
Similar homes$179,347
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
$170,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,747 sqft
$97 per sqft
Year built
1930
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $102.66/sqft, which supports a value of $179,347.

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 Calumet assessment pages.

Local guide: Calumet Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Calumet, appeals to the Assessor closed . Board of Review dates for Calumet 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 increased 21.4% from $140,000 in 2025 to $170,000 in 2026.
  • Assessor market value per square footThe current public record shows about $97 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Calumet neighborhood and ZIP 60406.
  • Neighborhood value signalAmong 492 residential records in the same neighborhood, the average assessor market value is about $124 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +19.9% on average.

Comparable assessments

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

  • 2338 121st Pl, Blue Island, IL 60406
    1,796 sqft | $128/sqft | built 1930 | Similar size (1,796 vs 1,747 sqft); Built same year (1930); Similar lot size (4,687 vs 4,687 sqft)
    $230,000
  • 2326 122nd St, Blue Island, IL 60406
    1,743 sqft | $98/sqft | built 1929 | Similar size (1,743 vs 1,747 sqft); Similar age (1929 vs 1930); Similar lot size (4,687 vs 4,687 sqft)
    $170,000
  • 2342 121st Pl, Blue Island, IL 60406
    1,656 sqft | $103/sqft | built 1930 | 5% smaller (1,656 vs 1,747 sqft); Built same year (1930); Similar lot size (4,687 vs 4,687 sqft)
    $170,000
  • 2217 121st Pl, Blue Island, IL 60406
    1,800 sqft | $94/sqft | built 1926 | Similar size (1,800 vs 1,747 sqft); Similar age (1926 vs 1930); Similar lot size (4,687 vs 4,687 sqft)
    $170,000
  • 2341 121st St, Blue Island, IL 60406
    1,656 sqft | $109/sqft | built 1929 | 5% smaller (1,656 vs 1,747 sqft); Similar age (1929 vs 1930); Similar lot size (4,687 vs 4,687 sqft)
    $180,000

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. 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

Up 21.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$170,000+$30,000+21.4%
2025$140,000$00.0%
2024$140,000$00.0%
2023$140,000+$61,170+77.6%
2022$78,830$00.0%
2021$78,830+$100.0%
2020$78,820——
6-year total+$91,180+115.7%