Cook County Value

6541 N Oshkosh Ave, Chicago, IL 60631

3 bed / 2 bath, 2,000 sqft, built 1925, in Jefferson. Assessor market value for 2025: $531,450.

Cook County account 09363230040000

Assessor market value
$531,450
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,000 sqft
$266 per sqft
Year built
1925
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 60631 and Jefferson assessment pages.

Appeal deadlines

Jefferson 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 $531,450 in 2024 to $531,450 in 2025.
  • Assessor market value per square footThe current public record shows about $266 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Jefferson neighborhood and ZIP 60631.
  • Neighborhood value signalAmong 1,989 residential records in the same neighborhood, the average assessor market value is about $282 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.

  • 6742 N Olympia Ave, Chicago, IL 60631
    2,007 sqft | $256/sqft | built 1924 | Similar size (2,007 vs 2,000 sqft); Similar age (1924 vs 1925); Similar lot size (6,200 vs 6,250 sqft)
    $513,850
  • 7045 N Osceola Ave, Chicago, IL 60631
    2,016 sqft | $258/sqft | built 1923 | Similar size (2,016 vs 2,000 sqft); Similar age (1923 vs 1925); Similar lot size (6,027 vs 6,250 sqft)
    $520,010
  • 6800 N Oriole Ave, Chicago, IL 60631
    2,052 sqft | $235/sqft | built 1927 | Similar size (2,052 vs 2,000 sqft); Similar age (1927 vs 1925); Similar lot size (6,002 vs 6,250 sqft)
    $482,470
  • 6957 N Osceola Ave, Chicago, IL 60631
    1,986 sqft | $261/sqft | built 1924 | Similar size (1,986 vs 2,000 sqft); Similar age (1924 vs 1925); Similar lot size (5,950 vs 6,250 sqft)
    $518,340
  • 6744 N Odell Ave, Chicago, IL 60631
    2,014 sqft | $278/sqft | built 1928 | Similar size (2,014 vs 2,000 sqft); Similar age (1928 vs 1925); Similar lot size (6,250 vs 6,250 sqft)
    $560,000

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

Down 5.1% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$531,450−$28,550−5.1%
2024$560,000+$87,600+18.5%
2023$472,400−$14,200−2.9%
2022$486,600−$64,820−11.8%
2021$551,420+$154,010+38.8%
2020$397,410——
5-year total+$134,040+33.7%