Cook County Value

535 Oak St, Winnetka, IL 60093

5 bed / 3 bath, 3,122 sqft, built 1926, in New Trier. Assessor market value for 2026: $1,569,840.

Cook County account 05211130020000

Assessor market value
$1,569,840
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,122 sqft
$503 per sqft
Year built
1926
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 stayed about the same, from $1,569,840 in 2025 to $1,569,840 in 2026.
  • Assessor market value per square footThe current public record shows about $503 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.

  • 576 Elm St, Winnetka, IL 60093
    3,200 sqft | $553/sqft | built 1926 | Similar size (3,200 vs 3,122 sqft); Built same year (1926); Similar lot size (12,664 vs 12,600 sqft)
    $1,770,000
  • 370 Elder Ln, Winnetka, IL 60093
    3,071 sqft | $508/sqft | built 1925 | Similar size (3,071 vs 3,122 sqft); Similar age (1925 vs 1926); Similar lot size (12,750 vs 12,600 sqft)
    $1,560,000
  • 838 Locust St, Winnetka, IL 60093
    3,139 sqft | $466/sqft | built 1923 | Similar size (3,139 vs 3,122 sqft); Similar age (1923 vs 1926); Similar lot size (11,640 vs 12,600 sqft)
    $1,461,900
  • 602 Spruce St, Winnetka, IL 60093
    3,070 sqft | $509/sqft | built 1918 | Similar size (3,070 vs 3,122 sqft); Similar lot size (13,120 vs 12,600 sqft); Same quality (Average)
    $1,563,390
  • 153 Lake St, Glencoe, IL 60022
    3,238 sqft | $442/sqft | built 1920 | Similar size (3,238 vs 3,122 sqft); Similar lot size (12,027 vs 12,600 sqft); Same quality (Average)
    $1,430,000

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: . 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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,569,840$00.0%
2025$1,569,840+$506,220+47.6%
2024$1,063,620−$93,340−8.1%
2023$1,156,960−$103,040−8.2%
2022$1,260,000+$348,620+38.3%
2021$911,380$00.0%
2020$911,380——
6-year total+$658,460+72.2%