Cook County Value

425 Chestnut St, Winnetka, IL 60093

5 bed / 3 bath, 1,612 sqft, built 1891, in New Trier Assessor market value for 2026: $1,045,600.

Cook County account 05202220040000

Assessor market value
$1,045,600
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,612 sqft
$649 per sqft
Year built
1891
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 $1,045,600 in 2025 to $1,045,600 in 2026.
  • Assessor market value per square footThe current public record shows about $649 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 609 residential records in the same neighborhood, the average assessor market value is about $514 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

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

  • 1017 Elm St, Winnetka, IL 60093
    1,668 sqft | $552/sqft | built 1898 | Similar size (1,668 vs 1,612 sqft); Similar lot size (8,850 vs 9,163 sqft); Same quality (Average)
    $920,010
  • 511 Provident Ave, Winnetka, IL 60093
    1,682 sqft | $476/sqft | built 1896 | Similar size (1,682 vs 1,612 sqft); Similar age (1896 vs 1891); Lot 10% smaller (8,235 vs 9,163 sqft)
    $800,000
  • 985 Elm St, Winnetka, IL 60093
    1,365 sqft | $576/sqft | built 1891 | Built same year (1891); Similar lot size (9,350 vs 9,163 sqft); Same quality (Average)
    $786,270
  • 879 Willow Rd, Winnetka, IL 60093
    1,509 sqft | $457/sqft | built 1903 | 6% smaller (1,509 vs 1,612 sqft); Similar lot size (9,350 vs 9,163 sqft); Same quality (Average)
    $690,000
  • 968 Elm St, Winnetka, IL 60093
    1,908 sqft | $479/sqft | built 1889 | Similar age (1889 vs 1891); Similar lot size (9,350 vs 9,163 sqft); Same quality (Average)
    $914,440

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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

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$1,045,600$00.0%
2025$1,045,600+$335,600+47.3%
2024$710,000$00.0%
2023$710,000$00.0%
2022$710,000+$94,060+15.3%
2021$615,940$00.0%
2020$615,940——
6-year total+$429,660+69.8%