Cook County Value

4536 N Kostner Ave, Chicago, IL 60630

3 bed / 2 bath, 1,806 sqft, built 1907, in Jefferson. Assessor market value for 2025: $457,640.

Cook County account 13151230270000

Assessor market value
$457,640
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,806 sqft
$253 per sqft
Year built
1907
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 $457,640 in 2024 to $457,640 in 2025.
  • Assessor market value per square footThe current public record shows about $253 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.

  • 4526 N Kostner Ave, Chicago, IL 60630
    1,794 sqft | $233/sqft | built 1908 | Similar size (1,794 vs 1,806 sqft); Similar age (1908 vs 1907); Similar lot size (3,725 vs 3,725 sqft)
    $418,870
  • 4452 N Tripp Ave, Chicago, IL 60630
    1,830 sqft | $246/sqft | built 1907 | Similar size (1,830 vs 1,806 sqft); Built same year (1907); Similar lot size (3,950 vs 3,725 sqft)
    $450,000
  • 4602 N Kildare Ave, Chicago, IL 60630
    1,756 sqft | $232/sqft | built 1909 | Similar size (1,756 vs 1,806 sqft); Similar age (1909 vs 1907); Similar lot size (3,600 vs 3,725 sqft)
    $406,960
  • 4773 N Karlov Ave, Chicago, IL 60630
    1,789 sqft | $263/sqft | built 1920 | Similar size (1,789 vs 1,806 sqft); Similar lot size (3,740 vs 3,725 sqft); Same quality (Average)
    $470,000
  • 4663 N Kasson Ave, Chicago, IL 60630
    1,790 sqft | $246/sqft | built 1922 | Similar size (1,790 vs 1,806 sqft); Similar lot size (3,750 vs 3,725 sqft); Same quality (Average)
    $440,000

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 12.0% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$457,640−$62,370−12.0%
2024$520,010+$18,590+3.7%
2023$501,420$00.0%
2022$501,420−$33,240−6.2%
2021$534,660+$108,110+25.3%
2020$426,550——
5-year total+$31,090+7.3%