Cook County Value

859 Sheridan Rd, Winnetka, IL 60093

5 bed / 3 bath, 3,783 sqft, built 1925, in New Trier. Assessor market value for 2026: $1,622,390.

Cook County account 05161060020000

Assessor market value
$1,622,390
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,783 sqft
$429 per sqft
Year built
1925
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 23.8% from $2,130,000 in 2025 to $1,622,390 in 2026.
  • Assessor market value per square footThe current public record shows about $429 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 362 residential records in the same neighborhood, the average assessor market value is about $580 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.9% on average.

Comparable assessments

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

  • 711 Sheridan Rd, Winnetka, IL 60093
    3,554 sqft | $613/sqft | built 1924 | 6% smaller (3,554 vs 3,783 sqft); Similar age (1924 vs 1925); Similar lot size (15,000 vs 14,900 sqft)
    $2,180,000
  • 851 Sheridan Rd, Winnetka, IL 60093
    3,800 sqft | $518/sqft | built 1938 | Similar size (3,800 vs 3,783 sqft); Similar lot size (14,900 vs 14,900 sqft); Same quality (Average)
    $1,966,840
  • 887 Sheridan Rd, Glencoe, IL 60022
    3,783 sqft | $448/sqft | built 1938 | Similar size (3,783 vs 3,783 sqft); Similar lot size (15,010 vs 14,900 sqft); Same quality (Average)
    $1,695,530
  • 140 Hazel Ave, Glencoe, IL 60022
    3,540 sqft | $528/sqft | built 1927 | 6% smaller (3,540 vs 3,783 sqft); Similar age (1927 vs 1925); Similar lot size (13,983 vs 14,900 sqft)
    $1,870,000
  • 909 Sheridan Rd, Glencoe, IL 60022
    3,766 sqft | $448/sqft | built 1929 | Similar size (3,766 vs 3,783 sqft); Similar age (1929 vs 1925); Lot 15% smaller (12,672 vs 14,900 sqft)
    $1,687,230

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 23.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,622,390−$507,610−23.8%
2025$2,130,000+$537,040+33.7%
2024$1,592,960−$50,420−3.1%
2023$1,643,380$00.0%
2022$1,643,380+$691,360+72.6%
2021$952,020+$100.0%
2020$952,010——
6-year total+$670,380+70.4%