Cook County Value

428 Chestnut St, Winnetka, IL 60093

4 bed / 2 bath, 1,488 sqft, built 1923, in New Trier. Assessor market value for 2026: $645,860.

Cook County account 05202210100000

Assessor market value
$645,860
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,488 sqft
$434 per sqft
Year built
1923
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 $645,860 in 2025 to $645,860 in 2026.
  • Assessor market value per square footThe current public record shows about $434 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

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

  • 842 Oak St, Winnetka, IL 60093
    1,582 sqft | $512/sqft | built 1917 | 6% larger (1,582 vs 1,488 sqft); Similar lot size (5,038 vs 5,000 sqft); Same quality (Average)
    $810,150
  • 828 Oak St, Winnetka, IL 60093
    1,684 sqft | $431/sqft | built 1920 | 13% larger (1,684 vs 1,488 sqft); Similar age (1920 vs 1923); Similar lot size (5,143 vs 5,000 sqft)
    $725,060
  • 839 Cherry St, Winnetka, IL 60093
    1,275 sqft | $420/sqft | built 1923 | 14% smaller (1,275 vs 1,488 sqft); Built same year (1923); Similar lot size (4,918 vs 5,000 sqft)
    $535,840
  • 903 Spruce St, Winnetka, IL 60093
    1,655 sqft | $574/sqft | built 1916 | 11% larger (1,655 vs 1,488 sqft); Similar lot size (5,005 vs 5,000 sqft); Same quality (Average)
    $950,000
  • 585 Provident Ave, Winnetka, IL 60093
    1,703 sqft | $409/sqft | built 1914 | 14% larger (1,703 vs 1,488 sqft); Similar lot size (5,051 vs 5,000 sqft); Same quality (Average)
    $696,270

Recent comparable sales

Sales selected by similarity to the subject property.

  • 932 Ash St, Winnetka, IL 60093
    1,708 sqft | $732/sqft | built 1922 | 15% size difference (1,708 sqft); Similar age (1922); Within 1 bedroom (3 vs 4)
    $1,250,000

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

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$645,860$00.0%
2025$645,860+$97,020+17.7%
2024$548,840−$91,160−14.2%
2023$640,000$00.0%
2022$640,000+$174,170+37.4%
2021$465,830$00.0%
2020$465,830——
6-year total+$180,030+38.6%