Cook County Value

850 Private Rd, Winnetka, IL 60093

4 bed / 3 bath, 4,576 sqft, built 1949, in New Trier. Assessor market value for 2026: $2,260,000.

Cook County account 05172020240000

Assessor market value
$2,260,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,576 sqft
$494 per sqft
Year built
1949

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 $2,260,000 in 2025 to $2,260,000 in 2026.
  • Assessor market value per square footThe current public record shows about $494 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

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

  • 334 Sheridan Rd, Glencoe, IL 60022
    4,409 sqft | $460/sqft | built 1941 | Similar size (4,409 vs 4,576 sqft); Similar lot size (20,000 vs 19,365 sqft); Same bed/bath (4/3)
    $2,030,000
  • 850 Lamson Dr, Winnetka, IL 60093
    5,088 sqft | $482/sqft | built 1956 | 11% larger (5,088 vs 4,576 sqft); Similar lot size (20,080 vs 19,365 sqft); Same neighborhood
    $2,450,000
  • 204 Sheridan Rd, Glencoe, IL 60022
    4,102 sqft | $453/sqft | built 1961 | 10% smaller (4,102 vs 4,576 sqft); Similar lot size (20,000 vs 19,365 sqft); Same neighborhood
    $1,860,000
  • 845 Lamson Dr, Winnetka, IL 60093
    4,130 sqft | $481/sqft | built 1943 | 10% smaller (4,130 vs 4,576 sqft); Lot 10% larger (21,320 vs 19,365 sqft); Same neighborhood
    $1,986,100
  • 932 Sheridan Rd Hse, Winnetka, IL 60093
    3,514 sqft | $499/sqft | built 1947 | Similar age (1947 vs 1949); Similar lot size (19,253 vs 19,365 sqft); Same neighborhood
    $1,752,700

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

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$2,260,000$00.0%
2025$2,260,000+$320,000+16.5%
2024$1,940,000$00.0%
2023$1,940,000$00.0%
2022$1,940,000+$812,600+72.1%
2021$1,127,400−$65,870−5.5%
2020$1,193,270——
6-year total+$1,066,730+89.4%