Cook County Value

139 De Windt Rd, Winnetka, IL 60093

5 bed / 4 bath, 6,203 sqft, built 1939, in New Trier. Assessor market value for 2026: $3,115,540.

Cook County account 05203190020000

Assessor market value
$3,115,540
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
6,203 sqft
$502 per sqft
Year built
1939
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 6.4% from $3,330,000 in 2025 to $3,115,540 in 2026.
  • Assessor market value per square footThe current public record shows about $502 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 608 residential records in the same neighborhood, the average assessor market value is about $670 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.3% on average.

Comparable assessments

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

  • 251 White Oak Ln, Winnetka, IL 60093
    5,883 sqft | $572/sqft | built 1938 | 5% smaller (5,883 vs 6,203 sqft); Similar age (1938 vs 1939); Similar lot size (39,343 vs 36,024 sqft)
    $3,366,000
  • 310 White Oak Ln, Winnetka, IL 60093
    5,741 sqft | $575/sqft | built 1937 | 7% smaller (5,741 vs 6,203 sqft); Similar age (1937 vs 1939); Similar lot size (35,371 vs 36,024 sqft)
    $3,300,000
  • 120 De Windt Rd, Winnetka, IL 60093
    5,682 sqft | $546/sqft | built 1938 | 8% smaller (5,682 vs 6,203 sqft); Similar age (1938 vs 1939); Similar lot size (33,890 vs 36,024 sqft)
    $3,103,080
  • 114 De Windt Rd, Winnetka, IL 60093
    6,144 sqft | $505/sqft | built 1932 | Similar size (6,144 vs 6,203 sqft); Similar lot size (33,977 vs 36,024 sqft); Same quality (Average)
    $3,105,000
  • 1111 Sunset Rd, Winnetka, IL 60093
    5,547 sqft | $581/sqft | built 1939 | 11% smaller (5,547 vs 6,203 sqft); Built same year (1939); Lot 14% larger (40,903 vs 36,024 sqft)
    $3,222,280

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 6.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$3,115,540−$214,460−6.4%
2025$3,330,000+$1,129,980+51.4%
2024$2,200,020$00.0%
2023$2,200,020−$375,890−14.6%
2022$2,575,910+$926,980+56.2%
2021$1,648,930−$240,390−12.7%
2020$1,889,320——
6-year total+$1,226,220+64.9%