Cook County Value

1299 Trapp Ln, Winnetka, IL 60093

6 bed / 2 bath, 2,425 sqft, built 1956, in New Trier. Assessor market value for 2026: $1,230,410.

Cook County account 05184020540000

Assessor market value
$1,230,410
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,425 sqft
$507 per sqft
Year built
1956
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 3.7% from $1,277,400 in 2025 to $1,230,410 in 2026.
  • Assessor market value per square footThe current public record shows about $507 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

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

  • 1350 Westmoor Trl, Winnetka, IL 60093
    2,474 sqft | $538/sqft | built 1956 | Similar size (2,474 vs 2,425 sqft); Built same year (1956); Similar lot size (22,734 vs 22,680 sqft)
    $1,330,000
  • 1340 Westmoor Trl, Winnetka, IL 60093
    2,408 sqft | $491/sqft | built 1958 | Similar size (2,408 vs 2,425 sqft); Similar age (1958 vs 1956); Similar lot size (22,734 vs 22,680 sqft)
    $1,181,210
  • 1355 Hackberry Ln, Winnetka, IL 60093
    2,434 sqft | $468/sqft | built 1954 | Similar size (2,434 vs 2,425 sqft); Similar age (1954 vs 1956); Similar lot size (22,184 vs 22,680 sqft)
    $1,140,000
  • 1307 Hackberry Ln, Winnetka, IL 60093
    2,420 sqft | $544/sqft | built 1953 | Similar size (2,420 vs 2,425 sqft); Similar age (1953 vs 1956); Similar lot size (22,048 vs 22,680 sqft)
    $1,316,150
  • 1295 Sunview Ln, Winnetka, IL 60093
    2,378 sqft | $475/sqft | built 1953 | Similar size (2,378 vs 2,425 sqft); Similar age (1953 vs 1956); Similar lot size (21,755 vs 22,680 sqft)
    $1,130,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1295 Sunview Ln, Winnetka, IL 60093
    June-29-2026 | 2,316 sqft | $477/sqft | built 1953 | Similar size (2,316 sqft); Similar age (1953); Sold after the valuation date
    $1,105,813
  • 170 Westview Rd, Winnetka, IL 60093
    2,841 sqft | $488/sqft | built 1951 | Moderate age difference (5 years older); Within 1 bedroom (5 vs 6)
    $1,387,000

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 3.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,230,410−$46,990−3.7%
2025$1,277,400+$259,460+25.5%
2024$1,017,940−$162,060−13.7%
2023$1,180,000$00.0%
2022$1,180,000+$446,590+60.9%
2021$733,410+$100.0%
2020$733,400——
6-year total+$497,010+67.8%