Cook County Value

2307 121st St, Blue Island, IL 60406

5 bed / 2 bath, 1,373 sqft, built 1923, in Calumet. Assessor market value for 2026: $180,000.

Cook County account 25301230010000

Assessor market value
$180,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,373 sqft
$131 per sqft
Year built
1923
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 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 12.5% from $160,000 in 2025 to $180,000 in 2026.
  • Assessor market value per square footThe current public record shows about $131 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

Similar public appraisal records selected for this property's equity comparison.

  • 2106 120th St, Blue Island, IL 60406
    1,337 sqft | $112/sqft | built 1923 | Similar size (1,337 vs 1,373 sqft); Built same year (1923); Similar lot size (6,200 vs 6,250 sqft)
    $150,000
  • 2209 120th Pl, Blue Island, IL 60406
    1,401 sqft | $121/sqft | built 1920 | Similar size (1,401 vs 1,373 sqft); Similar age (1920 vs 1923); Similar lot size (6,200 vs 6,250 sqft)
    $170,000
  • 2304 121st Pl, Blue Island, IL 60406
    1,365 sqft | $117/sqft | built 1926 | Similar size (1,365 vs 1,373 sqft); Similar age (1926 vs 1923); Similar lot size (6,250 vs 6,250 sqft)
    $160,000
  • 2329 119th Pl, Blue Island, IL 60406
    1,406 sqft | $114/sqft | built 1923 | Similar size (1,406 vs 1,373 sqft); Built same year (1923); Similar lot size (6,200 vs 6,250 sqft)
    $160,000
  • 11951 S Wood St Calumet Park, IL 60827
    1,404 sqft | $93/sqft | built 1918 | Similar size (1,404 vs 1,373 sqft); Similar age (1918 vs 1923); Similar lot size (6,250 vs 6,250 sqft)
    $130,000

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 12.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$180,000+$20,000+12.5%
2025$160,000$00.0%
2024$160,000$00.0%
2023$160,000+$12,650+8.6%
2022$147,350$00.0%
2021$147,350$00.0%
2020$147,350——
6-year total+$32,650+22.2%