Cook County Value

877 Tower Rd, Winnetka, IL 60093

5 bed / 6 bath, 5,271 sqft, built 2023, in New Trier Assessor market value for 2026: $3,861,610.

Cook County account 05172020540000

Assessor market value
$3,861,610
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,271 sqft
$733 per sqft
Year built
2023
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 19.8% from $4,816,950 in 2025 to $3,861,610 in 2026.
  • Assessor market value per square footThe current public record shows about $733 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.

  • 1017 Forest Ave, Glencoe, IL 60022
    5,219 sqft | $641/sqft | built 2016 | Similar size (5,219 vs 5,271 sqft); Similar lot size (21,850 vs 20,692 sqft); Same quality (Average)
    $3,345,000
  • 887 Private Rd, Winnetka, IL 60093
    5,362 sqft | $709/sqft | built 2019 | Similar size (5,362 vs 5,271 sqft); Similar age (2019 vs 2023); Lot 11% larger (22,875 vs 20,692 sqft)
    $3,800,000
  • 1035 Forest Ave, Glencoe, IL 60022
    4,884 sqft | $696/sqft | built 2025 | 7% smaller (4,884 vs 5,271 sqft); Similar age (2025 vs 2023); Similar lot size (19,205 vs 20,692 sqft)
    $3,400,000
  • 190 Fairview Rd, Glencoe, IL 60022
    4,696 sqft | $626/sqft | built 2016 | 11% smaller (4,696 vs 5,271 sqft); Similar lot size (20,447 vs 20,692 sqft); Same quality (Average)
    $2,941,020
  • 23 Old Green Bay Rd, Glencoe, IL 60022
    4,806 sqft | $657/sqft | built 2013 | 9% smaller (4,806 vs 5,271 sqft); Similar lot size (20,400 vs 20,692 sqft); Same quality (Average)
    $3,155,410

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 19.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$3,861,610−$955,340−19.8%
2025$4,816,950+$4,361,730+958.2%
2024$455,220——
2-year total+$3,406,390+748.3%