Cook County Value

3907 W Cornelia Ave, Chicago, IL 60618

12 bed / 6 bath, 6,138 sqft, built 1918, in Jefferson. Assessor market value for 2025: $830,130.

Cook County account 13233100180000

Assessor market value
$830,130
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
6,138 sqft
$135 per sqft
Year built
1918
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 60618, Jefferson, and Logan Square 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 $830,130 in 2024 to $830,130 in 2025.
  • Assessor market value per square footThe current public record shows about $135 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 60618.
  • Neighborhood value signalAmong 6,418 residential records in the same neighborhood, the average assessor market value is about $277 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.

  • 2604 N Hamlin Ave, Chicago, IL 60647
    6,120 sqft | $152/sqft | built 1916 | Similar size (6,120 vs 6,138 sqft); Similar age (1916 vs 1918); Similar lot size (4,125 vs 4,341 sqft)
    $930,000
  • 3228 N Hamlin Ave, Chicago, IL 60618
    5,756 sqft | $160/sqft | built 1919 | 6% smaller (5,756 vs 6,138 sqft); Similar age (1919 vs 1918); Similar lot size (4,672 vs 4,341 sqft)
    $920,000
  • 2501 N Hamlin Ave, Chicago, IL 60647
    6,096 sqft | $145/sqft | built 1914 | Similar size (6,096 vs 6,138 sqft); Similar age (1914 vs 1918); Lot 14% smaller (3,750 vs 4,341 sqft)
    $883,080
  • 2501 N Drake Ave, Chicago, IL 60647
    6,095 sqft | $162/sqft | built 1914 | Similar size (6,095 vs 6,138 sqft); Similar age (1914 vs 1918); Similar lot size (4,658 vs 4,341 sqft)
    $990,000
  • 2849 N Drake Ave 1, Chicago, IL 60618
    6,300 sqft | $154/sqft | built 1913 | Similar size (6,300 vs 6,138 sqft); Similar age (1913 vs 1918); Similar lot size (4,708 vs 4,341 sqft)
    $970,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 4.6% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$830,130−$39,870−4.6%
2024$870,000+$139,990+19.2%
2023$730,010$00.0%
2022$730,010$00.0%
2021$730,010+$209,650+40.3%
2020$520,360——
5-year total+$309,770+59.5%