Cook County Value

257 Kenilworth Ave Kenilworth, IL 60043

5 bed / 4 bath, 4,735 sqft, built 1918, in New Trier. Assessor market value for 2026: $2,773,110.

Cook County account 05282210050000

Assessor market value
$2,773,110
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,735 sqft
$586 per sqft
Year built
1918
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 60043 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 4.0% from $2,890,000 in 2025 to $2,773,110 in 2026.
  • Assessor market value per square footThe current public record shows about $586 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 60043.
  • Neighborhood value signalAmong 490 residential records in the same neighborhood, the average assessor market value is about $720 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.6% on average.

Comparable assessments

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

  • 256 Woodstock Ave Kenilworth, IL 60043
    4,784 sqft | $620/sqft | built 1921 | Similar size (4,784 vs 4,735 sqft); Similar age (1921 vs 1918); Similar lot size (24,125 vs 24,125 sqft)
    $2,967,040
  • 255 Melrose Ave Kenilworth, IL 60043
    4,815 sqft | $598/sqft | built 1912 | Similar size (4,815 vs 4,735 sqft); Similar lot size (24,125 vs 24,125 sqft); Same quality (Average)
    $2,879,330
  • 224 Sheridan Rd Kenilworth, IL 60043
    4,748 sqft | $548/sqft | built 1921 | Similar size (4,748 vs 4,735 sqft); Similar age (1921 vs 1918); Lot 15% smaller (20,610 vs 24,125 sqft)
    $2,600,000
  • 610 Essex Rd Kenilworth, IL 60043
    4,567 sqft | $566/sqft | built 1922 | Similar size (4,567 vs 4,735 sqft); Similar age (1922 vs 1918); Similar lot size (26,153 vs 24,125 sqft)
    $2,586,480
  • 322 Woodstock Ave Kenilworth, IL 60043
    5,413 sqft | $575/sqft | built 1916 | 14% larger (5,413 vs 4,735 sqft); Similar age (1916 vs 1918); Similar lot size (23,619 vs 24,125 sqft)
    $3,110,710

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 4.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,773,110−$116,890−4.0%
2025$2,890,000+$746,700+34.8%
2024$2,143,300−$244,330−10.2%
2023$2,387,630−$216,350−8.3%
2022$2,603,980+$982,600+60.6%
2021$1,621,380$00.0%
2020$1,621,380——
6-year total+$1,151,730+71.0%