Cook County Value

857 Sheridan Rd, Winnetka, IL 60093

2 bed / 2 bath, 2,657 sqft, built 1953, in New Trier. Assessor market value for 2026: $1,303,770.

Cook County account 05161060030000

Assessor market value
$1,303,770
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,657 sqft
$491 per sqft
Year built
1953
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 5.5% from $1,380,000 in 2025 to $1,303,770 in 2026.
  • Assessor market value per square footThe current public record shows about $491 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.

  • 670 Longwood Ave, Glencoe, IL 60022
    2,793 sqft | $526/sqft | built 1952 | 5% larger (2,793 vs 2,657 sqft); Similar age (1952 vs 1953); Similar lot size (21,658 vs 20,496 sqft)
    $1,469,180
  • 621 Sheridan Rd, Winnetka, IL 60093
    2,548 sqft | $616/sqft | built 1955 | Similar size (2,548 vs 2,657 sqft); Similar age (1955 vs 1953); Lot 14% larger (23,374 vs 20,496 sqft)
    $1,570,000
  • 380 Lakeside Ter, Glencoe, IL 60022
    3,000 sqft | $530/sqft | built 1965 | 13% larger (3,000 vs 2,657 sqft); Similar lot size (20,369 vs 20,496 sqft); Same quality (Average)
    $1,590,000
  • 199 Sheridan Rd, Glencoe, IL 60022
    2,818 sqft | $470/sqft | built 1953 | 6% larger (2,818 vs 2,657 sqft); Built same year (1953); Same quality (Average)
    $1,324,330
  • 530 Hoyt Ln, Winnetka, IL 60093
    2,424 sqft | $644/sqft | built 1966 | 9% smaller (2,424 vs 2,657 sqft); Lot 15% larger (23,522 vs 20,496 sqft); Same quality (Average)
    $1,560,000

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 5.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,303,770−$76,230−5.5%
2025$1,380,000−$6,030−0.4%
2024$1,386,030$00.0%
2023$1,386,030$00.0%
2022$1,386,030+$119,490+9.4%
2021$1,266,540−$75,100−5.6%
2020$1,341,640——
6-year total−$37,870−2.8%