Cook County Value

855 N Gordon Ter, Winnetka, IL 60093

6 bed / 4 bath, 4,205 sqft, built 2018, in New Trier Assessor market value for 2026: $2,769,130.

Cook County account 05173010140000

Assessor market value
$2,769,130
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,205 sqft
$659 per sqft
Year built
2018
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 3.6% from $2,872,150 in 2025 to $2,769,130 in 2026.
  • Assessor market value per square footThe current public record shows about $659 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 1,469 residential records in the same neighborhood, the average assessor market value is about $518 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.0% on average.

Comparable assessments

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

  • 840 Locust St, Winnetka, IL 60093
    4,142 sqft | $659/sqft | built 2018 | Similar size (4,142 vs 4,205 sqft); Built same year (2018); Similar lot size (14,550 vs 14,489 sqft)
    $2,728,940
  • 576 Maple St, Winnetka, IL 60093
    4,209 sqft | $701/sqft | built 2014 | Similar size (4,209 vs 4,205 sqft); Similar age (2014 vs 2018); Similar lot size (14,160 vs 14,489 sqft)
    $2,950,100
  • 560 Oak St, Winnetka, IL 60093
    4,461 sqft | $684/sqft | built 2017 | 6% larger (4,461 vs 4,205 sqft); Similar age (2017 vs 2018); Similar lot size (14,025 vs 14,489 sqft)
    $3,051,270
  • 566 Willow Rd, Winnetka, IL 60093
    4,101 sqft | $651/sqft | built 2007 | Similar size (4,101 vs 4,205 sqft); Similar lot size (14,390 vs 14,489 sqft); Same quality (Average)
    $2,670,000
  • 795 Lincoln Ave, Winnetka, IL 60093
    4,161 sqft | $868/sqft | built 2013 | Similar size (4,161 vs 4,205 sqft); Similar age (2013 vs 2018); Similar lot size (15,000 vs 14,489 sqft)
    $3,610,000

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 3.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,769,130−$103,020−3.6%
2025$2,872,150+$648,510+29.2%
2024$2,223,640−$73,580−3.2%
2023$2,297,220−$462,780−16.8%
2022$2,760,000+$1,169,130+73.5%
2021$1,590,870−$136,560−7.9%
2020$1,727,430——
6-year total+$1,041,700+60.3%