Cook County Value

1123 Elmwood Ave, Wilmette, IL 60091

4 bed / 2 bath, 2,797 sqft, built 1901, in New Trier. Assessor market value for 2026: $1,198,850.

Cook County account 05273150050000

Assessor market value
$1,198,850
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,797 sqft
$429 per sqft
Year built
1901
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 17.3% from $1,450,010 in 2025 to $1,198,850 in 2026.
  • Assessor market value per square footThe current public record shows about $429 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.

  • 1219 Elmwood Ave, Wilmette, IL 60091
    2,930 sqft | $447/sqft | built 1901 | Similar size (2,930 vs 2,797 sqft); Built same year (1901); Similar lot size (9,000 vs 9,150 sqft)
    $1,308,620
  • 804 Elmwood Ave, Wilmette, IL 60091
    2,808 sqft | $507/sqft | built 1908 | Similar size (2,808 vs 2,797 sqft); Similar lot size (8,800 vs 9,150 sqft); Same quality (Average)
    $1,423,520
  • 1009 Chestnut Ave, Wilmette, IL 60091
    2,800 sqft | $464/sqft | built 1906 | Similar size (2,800 vs 2,797 sqft); Similar age (1906 vs 1901); Similar lot size (8,850 vs 9,150 sqft)
    $1,300,000
  • 827 Elmwood Ave, Wilmette, IL 60091
    2,908 sqft | $555/sqft | built 1901 | Similar size (2,908 vs 2,797 sqft); Built same year (1901); Similar lot size (9,400 vs 9,150 sqft)
    $1,614,100
  • 1033 Elmwood Ave, Wilmette, IL 60091
    2,799 sqft | $465/sqft | built 1889 | Similar size (2,799 vs 2,797 sqft); Similar lot size (9,300 vs 9,150 sqft); Same quality (Average)
    $1,300,650

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

Down 17.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,198,850−$251,160−17.3%
2025$1,450,010+$511,160+54.4%
2024$938,850−$93,140−9.0%
2023$1,031,990−$258,020−20.0%
2022$1,290,010+$556,870+76.0%
2021$733,140−$26,940−3.5%
2020$760,080——
6-year total+$438,770+57.7%