Cook County Value

510 Gordon Ave, Calumet City, IL 60409

1 bed / 1 bath, 588 sqft, built 1926, in Thornton. Assessor market value for 2025: $163,970.

Cook County account 30083020350000

Assessor market value
$163,970
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
588 sqft
$279 per sqft
Year built
1926

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 60409 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 $163,970 in 2024 to $163,970 in 2025.
  • Assessor market value per square footThe current public record shows about $279 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 60409.
  • Neighborhood value signalAmong 3,371 residential records in the same neighborhood, the average assessor market value is about $87 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.

  • 510 Gordon Ave, Calumet City, IL 60409
    588 sqft | $101/sqft | built 1926 | Similar size (588 vs 588 sqft); Built same year (1926); Similar lot size (3,175 vs 3,175 sqft)
    $59,620
  • 328 153rd St, Calumet City, IL 60409
    576 sqft | $142/sqft | built 1926 | Similar size (576 vs 588 sqft); Built same year (1926); Similar lot size (3,200 vs 3,175 sqft)
    $81,920
  • 235 153rd St, Calumet City, IL 60409
    600 sqft | $183/sqft | built 1923 | Similar size (600 vs 588 sqft); Similar age (1923 vs 1926); Similar lot size (3,150 vs 3,175 sqft)
    $110,000
  • 315 153rd St, Calumet City, IL 60409
    640 sqft | $148/sqft | built 1921 | 9% larger (640 vs 588 sqft); Similar age (1921 vs 1926); Similar lot size (3,150 vs 3,175 sqft)
    $95,000
  • 241 153rd Pl, Calumet City, IL 60409
    546 sqft | $152/sqft | built 1920 | 7% smaller (546 vs 588 sqft); Similar lot size (3,125 vs 3,175 sqft); Same neighborhood
    $82,930

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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$163,970$00.0%
2024$163,970−$36,410−18.2%
2023$200,380+$91,760+84.5%
2022$108,620−$170−0.2%
2021$108,790+$200.0%
2020$108,770——
5-year total+$55,200+50.7%