Cook County Value

4604 N Keystone Ave, Chicago, IL 60630

3 bed / 2 bath, 1,818 sqft, built 1914, in Jefferson. Assessor market value for 2025: $425,630.

Cook County account 13152210330000

Assessor market value
$425,630
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,818 sqft
$234 per sqft
Year built
1914
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 $425,630 in 2024 to $425,630 in 2025.
  • Assessor market value per square footThe current public record shows about $234 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 4653 N Knox Ave, Chicago, IL 60630
    1,840 sqft | $266/sqft | built 1913 | Similar size (1,840 vs 1,818 sqft); Similar age (1913 vs 1914); Similar lot size (4,050 vs 4,146 sqft)
    $490,000
  • 4647 N Knox Ave, Chicago, IL 60630
    1,925 sqft | $243/sqft | built 1913 | 6% larger (1,925 vs 1,818 sqft); Similar age (1913 vs 1914); Similar lot size (4,050 vs 4,146 sqft)
    $466,880
  • 4613 N Lowell Ave Hse, Chicago, IL 60630
    1,832 sqft | $278/sqft | built 1904 | Similar size (1,832 vs 1,818 sqft); Similar lot size (4,111 vs 4,146 sqft); Same quality (Average)
    $510,010
  • 4613 N Karlov Ave 1, Chicago, IL 60630
    1,766 sqft | $249/sqft | built 1921 | Similar size (1,766 vs 1,818 sqft); Similar lot size (4,166 vs 4,146 sqft); Same quality (Average)
    $440,000
  • 4452 N Tripp Ave, Chicago, IL 60630
    1,830 sqft | $246/sqft | built 1907 | Similar size (1,830 vs 1,818 sqft); Similar lot size (3,950 vs 4,146 sqft); Same quality (Average)
    $450,000

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 13.1% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$425,630−$64,370−13.1%
2024$490,000+$82,150+20.1%
2023$407,850$00.0%
2022$407,850$00.0%
2021$407,850+$169,210+70.9%
2020$238,640——
5-year total+$186,990+78.4%