Cook County Value

1249 W Cornelia Ave, Chicago, IL 60657

6 bed / 6 bath, 3,777 sqft, built 2021, in Lake View. Assessor market value for 2026: $2,520,450.

Cook County account 14203140040000

Assessor market value
$2,520,450
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,777 sqft
$667 per sqft
Year built
2021
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 60657, Lake View, Lincoln Park, and Lake View assessment pages.

Local guide: Lake View Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Lake View have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 $2,520,450 in 2025 to $2,520,450 in 2026.
  • Assessor market value per square footThe current public record shows about $667 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lake View neighborhood and ZIP 60657.
  • Neighborhood value signalAmong 2,614 residential records in the same neighborhood, the average assessor market value is about $441 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.2% on average.

Comparable assessments

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

  • 3714 N Wayne Ave, Chicago, IL 60613
    3,858 sqft | $420/sqft | built 2022 | Similar size (3,858 vs 3,777 sqft); Similar age (2022 vs 2021); Similar lot size (3,630 vs 3,625 sqft)
    $1,620,000
  • 3738 N Wayne Ave, Chicago, IL 60613
    3,762 sqft | $616/sqft | built 2011 | Similar size (3,762 vs 3,777 sqft); Similar lot size (3,630 vs 3,625 sqft); Same quality (Average)
    $2,318,800
  • 3806 N Wayne Ave, Chicago, IL 60613
    4,002 sqft | $659/sqft | built 2019 | 6% larger (4,002 vs 3,777 sqft); Similar age (2019 vs 2021); Similar lot size (3,600 vs 3,625 sqft)
    $2,635,780
  • 1221 W Cornelia Ave, Chicago, IL 60657
    3,964 sqft | $745/sqft | built 2022 | Similar size (3,964 vs 3,777 sqft); Similar age (2022 vs 2021); Similar lot size (3,750 vs 3,625 sqft)
    $2,954,600
  • 1225 W School St, Chicago, IL 60657
    3,695 sqft | $717/sqft | built 2024 | Similar size (3,695 vs 3,777 sqft); Similar age (2024 vs 2021); Lot 11% smaller (3,243 vs 3,625 sqft)
    $2,650,000

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. 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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,520,450$00.0%
2025$2,520,450−$269,550−9.7%
2024$2,790,000+$282,000+11.2%
2023$2,508,000$00.0%
2022$2,508,000$00.0%
2021$2,508,000+$2,276,000+981.0%
2020$232,000——
6-year total+$2,288,450+986.4%