Cook County Value

1100 Forest Ave, Wilmette, IL 60091

4 bed / 3 bath, 3,701 sqft, built 1998, in New Trier. Assessor market value for 2026: $2,060,010.

Cook County account 05273150210000

Assessor market value
$2,060,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,701 sqft
$557 per sqft
Year built
1998
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 $2,060,010 in 2025 to $2,060,010 in 2026.
  • Assessor market value per square footThe current public record shows about $557 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

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

  • 1050 Forest Ave, Wilmette, IL 60091
    3,670 sqft | $631/sqft | built 2006 | Similar size (3,670 vs 3,701 sqft); Similar lot size (9,250 vs 9,250 sqft); Same quality (Average)
    $2,313,990
  • 925 13th St, Wilmette, IL 60091
    3,583 sqft | $474/sqft | built 2003 | Similar size (3,583 vs 3,701 sqft); Similar age (2003 vs 1998); Similar lot size (9,600 vs 9,250 sqft)
    $1,700,000
  • 909 Forest Ave, Wilmette, IL 60091
    3,770 sqft | $573/sqft | built 2000 | Similar size (3,770 vs 3,701 sqft); Similar age (2000 vs 1998); Similar lot size (8,758 vs 9,250 sqft)
    $2,160,010
  • 1309 Chestnut Ave, Wilmette, IL 60091
    3,830 sqft | $579/sqft | built 2005 | Similar size (3,830 vs 3,701 sqft); Similar lot size (8,800 vs 9,250 sqft); Same quality (Average)
    $2,218,300
  • 913 Forest Ave, Wilmette, IL 60091
    3,684 sqft | $560/sqft | built 2009 | Similar size (3,684 vs 3,701 sqft); Similar lot size (9,250 vs 9,250 sqft); Same quality (Average)
    $2,062,980

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1231 Gregory Ave, Wilmette, IL 60091
    4,200 sqft | $583/sqft | built 2006 | 14% size difference (4,200 sqft); Moderate age difference (8 years newer); Within 1 bedroom (5 vs 4)
    $2,450,000

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$2,060,010$00.0%
2025$2,060,010+$570,000+38.3%
2024$1,490,010——
2-year total+$570,000+38.3%