Cook County Value

1221 Ash St, Winnetka, IL 60093

6 bed / 3 bath, 3,213 sqft, built 1929, in New Trier. Assessor market value for 2026: $1,283,020.

Cook County account 05201150200000

Assessor market value
$1,283,020
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,213 sqft
$399 per sqft
Year built
1929
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 9.0% from $1,410,000 in 2025 to $1,283,020 in 2026.
  • Assessor market value per square footThe current public record shows about $399 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.

  • 1132 Ash St, Winnetka, IL 60093
    3,292 sqft | $391/sqft | built 1929 | Similar size (3,292 vs 3,213 sqft); Built same year (1929); Similar lot size (9,350 vs 9,350 sqft)
    $1,287,120
  • 1169 Cherry St, Winnetka, IL 60093
    3,240 sqft | $385/sqft | built 1931 | Similar size (3,240 vs 3,213 sqft); Similar age (1931 vs 1929); Similar lot size (9,350 vs 9,350 sqft)
    $1,248,200
  • 1245 Cherry St, Winnetka, IL 60093
    3,381 sqft | $370/sqft | built 1929 | 5% larger (3,381 vs 3,213 sqft); Built same year (1929); Similar lot size (9,000 vs 9,350 sqft)
    $1,250,000
  • 1174 Cherry St, Winnetka, IL 60093
    3,128 sqft | $411/sqft | built 1917 | Similar size (3,128 vs 3,213 sqft); Similar lot size (9,350 vs 9,350 sqft); Same quality (Average)
    $1,285,170
  • 1244 Oak St, Winnetka, IL 60093
    3,052 sqft | $410/sqft | built 1936 | 5% smaller (3,052 vs 3,213 sqft); Similar lot size (9,350 vs 9,350 sqft); Same quality (Average)
    $1,250,000

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

Down 9.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,283,020−$126,980−9.0%
2025$1,410,000+$434,280+44.5%
2024$975,720−$74,290−7.1%
2023$1,050,010$00.0%
2022$1,050,010+$117,110+12.6%
2021$932,900−$49,730−5.1%
2020$982,630——
6-year total+$300,390+30.6%