Cook County Value

1227 Greenwood Ave, Wilmette, IL 60091

6 bed / 3 bath, 4,024 sqft, built 1912, in New Trier. Assessor market value for 2026: $2,020,000.

Cook County account 05273100040000

Assessor market value
$2,020,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,024 sqft
$502 per sqft
Year built
1912
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 60091 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 $2,020,000 in 2025 to $2,020,000 in 2026.
  • Assessor market value per square footThe current public record shows about $502 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 60091.
  • Neighborhood value signalAmong 809 residential records in the same neighborhood, the average assessor market value is about $540 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.4% on average.

Comparable assessments

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

  • 702 Elmwood Ave, Wilmette, IL 60091
    3,928 sqft | $518/sqft | built 1919 | Similar size (3,928 vs 4,024 sqft); Similar lot size (11,440 vs 11,160 sqft); Same quality (Average)
    $2,036,090
  • 706 Elmwood Ave, Wilmette, IL 60091
    3,875 sqft | $507/sqft | built 1913 | Similar size (3,875 vs 4,024 sqft); Similar age (1913 vs 1912); Similar lot size (10,560 vs 11,160 sqft)
    $1,964,890
  • 510 Lake Ave, Wilmette, IL 60091
    3,946 sqft | $446/sqft | built 1918 | Similar size (3,946 vs 4,024 sqft); Similar lot size (11,700 vs 11,160 sqft); Same quality (Average)
    $1,760,900
  • 1110 Ashland Ave, Wilmette, IL 60091
    4,235 sqft | $474/sqft | built 1917 | 5% larger (4,235 vs 4,024 sqft); Similar age (1917 vs 1912); Similar lot size (11,000 vs 11,160 sqft)
    $2,009,150
  • 914 Ashland Ave, Wilmette, IL 60091
    3,897 sqft | $562/sqft | built 1918 | Similar size (3,897 vs 4,024 sqft); Similar lot size (12,090 vs 11,160 sqft); Same quality (Average)
    $2,190,010

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: . Showing the last prepared sales evidence while recent sales are refreshed. 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$2,020,000$00.0%
2025$2,020,000+$610,000+43.3%
2024$1,410,000$00.0%
2023$1,410,000$00.0%
2022$1,410,000+$245,470+21.1%
2021$1,164,530+$100.0%
2020$1,164,520——
6-year total+$855,480+73.5%