Cook County Value

1128 Greenleaf Ave, Wilmette, IL 60091

2 bed / 2 bath, 1,742 sqft, built 1919, in New Trier. Assessor market value for 2026: $1,228,070.

Cook County account 05341110130000

Assessor market value
$1,228,070
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,742 sqft
$705 per sqft
Year built
1919
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 decreased 5.5% from $1,300,000 in 2025 to $1,228,070 in 2026.
  • Assessor market value per square footThe current public record shows about $705 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 1310 Isabella St, Wilmette, IL 60091
    1,726 sqft | $521/sqft | built 1919 | Similar size (1,726 vs 1,742 sqft); Built same year (1919); Similar lot size (8,750 vs 9,552 sqft)
    $898,660
  • 211 5th St, Wilmette, IL 60091
    1,808 sqft | $559/sqft | built 1922 | Similar size (1,808 vs 1,742 sqft); Similar age (1922 vs 1919); Similar lot size (8,750 vs 9,552 sqft)
    $1,009,780
  • 1316 Gregory Ave, Wilmette, IL 60091
    1,725 sqft | $591/sqft | built 1923 | Similar size (1,725 vs 1,742 sqft); Similar age (1923 vs 1919); Lot 10% smaller (8,550 vs 9,552 sqft)
    $1,020,010
  • 2023 Schiller Ave, Wilmette, IL 60091
    1,674 sqft | $806/sqft | built 1910 | Similar size (1,674 vs 1,742 sqft); Similar lot size (9,735 vs 9,552 sqft); Same quality (Average)
    $1,350,000
  • 1017 Greenleaf Ave, Wilmette, IL 60091
    1,694 sqft | $530/sqft | built 1909 | Similar size (1,694 vs 1,742 sqft); Similar lot size (9,600 vs 9,552 sqft); Same quality (Average)
    $898,120

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 5.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,228,070−$71,930−5.5%
2025$1,300,000+$440,950+51.3%
2024$859,050$00.0%
2023$859,050−$468,810−35.3%
2022$1,327,860+$609,970+85.0%
2021$717,890+$100.0%
2020$717,880——
6-year total+$510,190+71.1%