Cook County Value

6400 N Oak Park Ave, Chicago, IL 60631

11 bed / 6 bath, 4,180 sqft, built 1952, in Jefferson Assessor market value for 2025: $385,380.

Cook County account 10314130250000

Assessor market value
$385,380
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,180 sqft
$92 per sqft
Year built
1952
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 $385,380 in 2024 to $385,380 in 2025.
  • Assessor market value per square footThe current public record shows about $92 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 759 residential records in the same neighborhood, the average assessor market value is about $296 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.

  • 6400 N Oak Park Ave, Chicago, IL 60631
    4,180 sqft | $90/sqft | built 1952 | Similar size (4,180 vs 4,180 sqft); Built same year (1952); Similar lot size (3,423 vs 3,654 sqft)
    $378,230
  • 6738 W Devon Ave, Chicago, IL 60631
    4,620 sqft | $83/sqft | built 1954 | 10% larger (4,620 vs 4,180 sqft); Similar age (1954 vs 1952); Similar lot size (3,654 vs 3,654 sqft)
    $383,080
  • 6405 N Newcastle Ave, Chicago, IL 60631
    4,620 sqft | $82/sqft | built 1954 | 10% larger (4,620 vs 4,180 sqft); Similar age (1954 vs 1952); Similar lot size (3,491 vs 3,654 sqft)
    $378,030
  • 6646 W Devon Ave, Chicago, IL 60631
    3,371 sqft | $163/sqft | built 1940 | Same quality (Average); Same neighborhood
    $550,000
  • 6522 N Neva Ave, Chicago, IL 60631
    3,407 sqft | $176/sqft | built 1967 | Same quality (Average); Same neighborhood
    $600,000

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

Down 2.9% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$385,380−$11,670−2.9%
2024$397,050+$72,950+22.5%
2023$324,100$00.0%
2022$324,100$00.0%
2021$324,100+$52,480+19.3%
2020$271,620——
5-year total+$113,760+41.9%