Cook County Value

140 Old Green Bay Rd, Winnetka, IL 60093

6 bed / 3 bath, 4,785 sqft, built 1936, in New Trier. Assessor market value for 2026: $2,030,000.

Cook County account 05171030190000

Assessor market value
$2,030,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,785 sqft
$424 per sqft
Year built
1936
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 stayed about the same, from $2,030,000 in 2025 to $2,030,000 in 2026.
  • Assessor market value per square footThe current public record shows about $424 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 686 residential records in the same neighborhood, the average assessor market value is about $537 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.7% on average.

Comparable assessments

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

  • 786 Greenleaf Ave, Glencoe, IL 60022
    4,871 sqft | $404/sqft | built 1931 | Similar size (4,871 vs 4,785 sqft); Similar age (1931 vs 1936); Similar lot size (16,695 vs 17,800 sqft)
    $1,967,070
  • 654 Greenleaf Ave, Glencoe, IL 60022
    4,571 sqft | $397/sqft | built 1928 | Similar size (4,571 vs 4,785 sqft); Same quality (Average); Same bed/bath (6/3)
    $1,815,620
  • 999 Forest Ave, Glencoe, IL 60022
    4,156 sqft | $428/sqft | built 1924 | 13% smaller (4,156 vs 4,785 sqft); Similar lot size (17,860 vs 17,800 sqft); Same quality (Average)
    $1,780,000
  • 51 Crescent Dr, Glencoe, IL 60022
    4,687 sqft | $382/sqft | built 1921 | Similar size (4,687 vs 4,785 sqft); Lot 12% smaller (15,600 vs 17,800 sqft); Same quality (Average)
    $1,790,000
  • 194 Sheridan Rd, Glencoe, IL 60022
    4,542 sqft | $431/sqft | built 1943 | 5% smaller (4,542 vs 4,785 sqft); Lot 12% larger (20,000 vs 17,800 sqft); Same quality (Average)
    $1,957,450

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$2,030,000$00.0%
2025$2,030,000+$550,000+37.2%
2024$1,480,000$00.0%
2023$1,480,000$00.0%
2022$1,480,000+$384,180+35.1%
2021$1,095,820+$100.0%
2020$1,095,810——
6-year total+$934,190+85.3%