Cook County Value

455 Berkeley Ave, Winnetka, IL 60093

4 bed / 3 bath, 2,961 sqft, built 1941, in New Trier Assessor market value for 2026: $1,438,580.

Cook County account 05201120150000

Assessor market value
$1,438,580
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,961 sqft
$486 per sqft
Year built
1941
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 7.2% from $1,549,430 in 2025 to $1,438,580 in 2026.
  • Assessor market value per square footThe current public record shows about $486 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 229 residential records in the same neighborhood, the average assessor market value is about $422 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.2% on average.

Comparable assessments

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

  • 474 Berkeley Ave, Winnetka, IL 60093
    2,853 sqft | $469/sqft | built 1938 | Similar size (2,853 vs 2,961 sqft); Similar age (1938 vs 1941); Similar lot size (12,155 vs 12,155 sqft)
    $1,337,000
  • 477 Berkeley Ave, Winnetka, IL 60093
    3,020 sqft | $474/sqft | built 1936 | Similar size (3,020 vs 2,961 sqft); Similar age (1936 vs 1941); Similar lot size (12,155 vs 12,155 sqft)
    $1,430,000
  • 1233 Ash St, Winnetka, IL 60093
    2,890 sqft | $433/sqft | built 1947 | Similar size (2,890 vs 2,961 sqft); Similar lot size (11,220 vs 12,155 sqft); Same quality (Average)
    $1,250,000
  • 1215 Elm St, Winnetka, IL 60093
    2,952 sqft | $403/sqft | built 1935 | Similar size (2,952 vs 2,961 sqft); Similar lot size (13,050 vs 12,155 sqft); Same quality (Average)
    $1,190,000
  • 388 Berkeley Ave, Winnetka, IL 60093
    3,191 sqft | $445/sqft | built 1938 | 8% larger (3,191 vs 2,961 sqft); Similar age (1938 vs 1941); Similar lot size (11,700 vs 12,155 sqft)
    $1,420,000

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

Value history

Down 7.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,438,580−$110,850−7.2%
2025$1,549,430+$435,220+39.1%
2024$1,114,210+$25,560+2.3%
2023$1,088,650−$63,840−5.5%
2022$1,152,490+$318,150+38.1%
2021$834,340−$47,430−5.4%
2020$881,770——
6-year total+$556,810+63.1%