Cook County Value

4738 N Keystone Ave, Chicago, IL 60630

6 bed / 3 bath, 3,132 sqft, built 1923, in Jefferson. Assessor market value for 2025: $540,010.

Cook County account 13152060450000

Assessor market value
$540,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,132 sqft
$172 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 60630 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 $540,010 in 2024 to $540,010 in 2025.
  • Assessor market value per square footThe current public record shows about $172 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 60630.
  • Neighborhood value signalAmong 1,309 residential records in the same neighborhood, the average assessor market value is about $273 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 4626 N Kenneth Ave, Chicago, IL 60630
    3,105 sqft | $184/sqft | built 1923 | Similar size (3,105 vs 3,132 sqft); Built same year (1923); Similar lot size (4,470 vs 4,687 sqft)
    $570,000
  • 4630 N Kelso Ave, Chicago, IL 60630
    3,092 sqft | $171/sqft | built 1928 | Similar size (3,092 vs 3,132 sqft); Similar age (1928 vs 1923); Similar lot size (4,687 vs 4,687 sqft)
    $530,010
  • 4623 N Kasson Ave, Chicago, IL 60630
    3,021 sqft | $161/sqft | built 1911 | Similar size (3,021 vs 3,132 sqft); Similar lot size (4,687 vs 4,687 sqft); Same quality (Average)
    $485,800
  • 4626 N Kostner Ave, Chicago, IL 60630
    3,053 sqft | $213/sqft | built 1921 | Similar size (3,053 vs 3,132 sqft); Similar age (1921 vs 1923); Similar lot size (4,899 vs 4,687 sqft)
    $650,010
  • 4737 N Keystone Ave, Chicago, IL 60630
    2,998 sqft | $173/sqft | built 1925 | Similar size (2,998 vs 3,132 sqft); Similar age (1925 vs 1923); Similar lot size (4,316 vs 4,687 sqft)
    $520,000

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

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$540,010$00.0%
2024$540,010+$123,760+29.7%
2023$416,250$00.0%
2022$416,250$00.0%
2021$416,250+$51,910+14.2%
2020$364,340——
5-year total+$175,670+48.2%