Cook County Value

239 Ridge Ave, Winnetka, IL 60093

5 bed / 5 bath, 3,762 sqft, built 2023, in New Trier Assessor market value for 2026: $2,220,160.

Cook County account 05213000190000

Assessor market value
$2,220,160
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,762 sqft
$590 per sqft
Year built
2023
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 60093 and New Trier assessment pages.

Local guide: New Trier Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for New Trier 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 decreased 19.6% from $2,760,000 in 2025 to $2,220,160 in 2026.
  • Assessor market value per square footThe current public record shows about $590 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the New Trier neighborhood and ZIP 60093.
  • Neighborhood value signalAmong 308 residential records in the same neighborhood, the average assessor market value is about $461 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.4% on average.

Comparable assessments

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

  • 250 Ridge Ave, Winnetka, IL 60093
    3,913 sqft | $580/sqft | built 2022 | Similar size (3,913 vs 3,762 sqft); Similar age (2022 vs 2023); Similar lot size (9,350 vs 9,372 sqft)
    $2,269,560
  • 760 Mt Pleasant St, Winnetka, IL 60093
    4,041 sqft | $594/sqft | built 2020 | 7% larger (4,041 vs 3,762 sqft); Similar age (2020 vs 2023); Similar lot size (9,350 vs 9,372 sqft)
    $2,400,000
  • 647 Garland Ave, Winnetka, IL 60093
    4,049 sqft | $747/sqft | built 2025 | 8% larger (4,049 vs 3,762 sqft); Similar age (2025 vs 2023); Lot 15% smaller (7,920 vs 9,372 sqft)
    $3,025,000
  • 655 Garland Ave, Winnetka, IL 60093
    3,555 sqft | $524/sqft | built 2009 | 6% smaller (3,555 vs 3,762 sqft); Lot 15% smaller (7,920 vs 9,372 sqft); Same quality (Average)
    $1,862,750
  • 338 Linden St, Winnetka, IL 60093
    3,544 sqft | $428/sqft | built 2026 | 6% smaller (3,544 vs 3,762 sqft); Similar age (2026 vs 2023); Same quality (Average)
    $1,518,610

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 19.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,220,160−$539,840−19.6%
2025$2,760,000−$40,000−1.4%
2024$2,800,000+$1,830,000+188.7%
2023$970,000$00.0%
2022$970,000+$364,080+60.1%
2021$605,920$00.0%
2020$605,920——
6-year total+$1,614,240+266.4%