Cook County Value

1121 Ash St, Winnetka, IL 60093

4 bed / 2 bath, 2,435 sqft, built 1924, in New Trier. Assessor market value for 2026: $1,040,000.

Cook County account 05201160260000

Assessor market value
$1,040,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,435 sqft
$427 per sqft
Year built
1924
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 $1,040,000 in 2025 to $1,040,000 in 2026.
  • Assessor market value per square footThe current public record shows about $427 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 229 residential records in the same neighborhood, the average assessor market value is about $422 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.2% on average.

Comparable assessments

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

  • 1260 Oak St, Winnetka, IL 60093
    2,433 sqft | $427/sqft | built 1929 | Similar size (2,433 vs 2,435 sqft); Similar age (1929 vs 1924); Similar lot size (12,267 vs 12,155 sqft)
    $1,040,000
  • 412 Berkeley Ave, Winnetka, IL 60093
    2,531 sqft | $403/sqft | built 1928 | Similar size (2,531 vs 2,435 sqft); Similar age (1928 vs 1924); Similar lot size (12,155 vs 12,155 sqft)
    $1,019,120
  • 1249 Ash St, Winnetka, IL 60093
    2,350 sqft | $438/sqft | built 1927 | Similar size (2,350 vs 2,435 sqft); Similar age (1927 vs 1924); Similar lot size (11,700 vs 12,155 sqft)
    $1,029,850
  • 1158 Oak St, Winnetka, IL 60093
    2,540 sqft | $427/sqft | built 1938 | Similar size (2,540 vs 2,435 sqft); Similar lot size (12,155 vs 12,155 sqft); Same quality (Average)
    $1,085,000
  • 1136 Oak St, Winnetka, IL 60093
    2,340 sqft | $462/sqft | built 1923 | Similar size (2,340 vs 2,435 sqft); Similar age (1923 vs 1924); Lot 12% smaller (10,659 vs 12,155 sqft)
    $1,080,000

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

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$1,040,000$00.0%
2025$1,040,000+$335,840+47.7%
2024$704,160$00.0%
2023$704,160−$25,840−3.5%
2022$730,000+$134,410+22.6%
2021$595,590+$100.0%
2020$595,580——
6-year total+$444,420+74.6%