Cook County Value

820 Humboldt Ave, Winnetka, IL 60093

4 bed / 3 bath, 3,814 sqft, built 1995, in New Trier. Assessor market value for 2026: $1,956,990.

Cook County account 05174160050000

Assessor market value
$1,956,990
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,814 sqft
$513 per sqft
Year built
1995
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 11.8% from $2,220,000 in 2025 to $1,956,990 in 2026.
  • Assessor market value per square footThe current public record shows about $513 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

Similar public appraisal records selected for this property's equity comparison.

  • 334 Woodland Ave, Winnetka, IL 60093
    3,748 sqft | $584/sqft | built 1992 | Similar size (3,748 vs 3,814 sqft); Similar age (1992 vs 1995); Similar lot size (12,750 vs 12,333 sqft)
    $2,190,000
  • 533 Hawthorn Ln, Winnetka, IL 60093
    3,712 sqft | $598/sqft | built 2000 | Similar size (3,712 vs 3,814 sqft); Similar age (2000 vs 1995); Similar lot size (12,375 vs 12,333 sqft)
    $2,220,010
  • 524 Hawthorn Ln, Winnetka, IL 60093
    3,895 sqft | $565/sqft | built 2001 | Similar size (3,895 vs 3,814 sqft); Similar lot size (12,223 vs 12,333 sqft); Same quality (Average)
    $2,201,500
  • 160 Linden Ave, Glencoe, IL 60022
    3,803 sqft | $494/sqft | built 2003 | Similar size (3,803 vs 3,814 sqft); Similar lot size (12,525 vs 12,333 sqft); Same quality (Average)
    $1,880,010
  • 1205 Tower Rd, Winnetka, IL 60093
    3,772 sqft | $554/sqft | built 2004 | Similar size (3,772 vs 3,814 sqft); Similar lot size (13,200 vs 12,333 sqft); Same quality (Average)
    $2,090,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 358 Winnetka Ave, IL 60093
    3,631 sqft | $826/sqft | built 2004 | Similar size (3,631 sqft); Moderate age difference (9 years newer); Same beds (4)
    $3,000,000
  • 2404 Fox Meadow Ln Northfield, IL 60093
    3,274 sqft | $521/sqft | built 2000 | 14% size difference (3,274 sqft); Moderate age difference (5 years newer); Within 1 bedroom (3 vs 4)
    $1,706,500

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 11.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,956,990−$263,010−11.8%
2025$2,220,000+$985,550+79.8%
2024$1,234,450−$175,550−12.5%
2023$1,410,000$00.0%
2022$1,410,000+$283,000+25.1%
2021$1,127,000$00.0%
2020$1,127,000——
6-year total+$829,990+73.6%