Cook County Value

1309 Trapp Ln, Winnetka, IL 60093

4 bed / 4 bath, 4,468 sqft, built 2013, in New Trier Assessor market value for 2026: $2,665,900.

Cook County account 05184020530000

Assessor market value
$2,665,900
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,468 sqft
$597 per sqft
Year built
2013
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 13.7% from $3,090,090 in 2025 to $2,665,900 in 2026.
  • Assessor market value per square footThe current public record shows about $597 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 326 residential records in the same neighborhood, the average assessor market value is about $458 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.

  • 986 Asbury Ct, Winnetka, IL 60093
    4,446 sqft | $466/sqft | built 2000 | Similar size (4,446 vs 4,468 sqft); Similar lot size (21,806 vs 23,100 sqft); Same quality (Average)
    $2,070,000
  • 985 Pine Tree Ln, Winnetka, IL 60093
    4,443 sqft | $460/sqft | built 2001 | Similar size (4,443 vs 4,468 sqft); Similar lot size (21,814 vs 23,100 sqft); Same quality (Average)
    $2,042,340
  • 910 Pine Tree Ln, Winnetka, IL 60093
    4,895 sqft | $515/sqft | built 2017 | 10% larger (4,895 vs 4,468 sqft); Similar age (2017 vs 2013); Similar lot size (22,557 vs 23,100 sqft)
    $2,522,140
  • 996 Asbury Ct, Winnetka, IL 60093
    4,822 sqft | $377/sqft | built 2012 | 8% larger (4,822 vs 4,468 sqft); Similar age (2012 vs 2013); Similar lot size (21,202 vs 23,100 sqft)
    $1,819,560
  • 1004 Pine Tree Ln, Winnetka, IL 60093
    4,809 sqft | $510/sqft | built 2012 | 8% larger (4,809 vs 4,468 sqft); Similar age (2012 vs 2013); Similar lot size (21,496 vs 23,100 sqft)
    $2,454,800

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 13.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,665,900−$424,190−13.7%
2025$3,090,090+$1,096,860+55.0%
2024$1,993,230−$311,410−13.5%
2023$2,304,640−$118,590−4.9%
2022$2,423,230+$1,073,600+79.5%
2021$1,349,630+$43,230+3.3%
2020$1,306,400——
6-year total+$1,359,500+104.1%