Cook County Value

1109 Forest Ave, Wilmette, IL 60091

4 bed / 2 bath, 3,078 sqft, built 1897, in New Trier. Assessor market value for 2026: $1,460,010.

Cook County account 05273200060000

Assessor market value
$1,460,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,078 sqft
$474 per sqft
Year built
1897
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 $1,460,010 in 2025 to $1,460,010 in 2026.
  • Assessor market value per square footThe current public record shows about $474 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.

  • 923 Elmwood Ave, Wilmette, IL 60091
    3,000 sqft | $487/sqft | built 1901 | Similar size (3,000 vs 3,078 sqft); Similar age (1901 vs 1897); Similar lot size (9,350 vs 9,250 sqft)
    $1,461,880
  • 1025 Greenwood Ave, Wilmette, IL 60091
    3,117 sqft | $518/sqft | built 1900 | Similar size (3,117 vs 3,078 sqft); Similar age (1900 vs 1897); Similar lot size (8,800 vs 9,250 sqft)
    $1,614,480
  • 1216 Elmwood Ave, Wilmette, IL 60091
    3,095 sqft | $475/sqft | built 1903 | Similar size (3,095 vs 3,078 sqft); Similar lot size (9,300 vs 9,250 sqft); Same quality (Average)
    $1,470,000
  • 1232 Forest Ave, Wilmette, IL 60091
    3,178 sqft | $469/sqft | built 1905 | Similar size (3,178 vs 3,078 sqft); Similar lot size (9,250 vs 9,250 sqft); Same quality (Average)
    $1,490,010
  • 1221 Forest Ave, Wilmette, IL 60091
    3,028 sqft | $424/sqft | built 1908 | Similar size (3,028 vs 3,078 sqft); Similar lot size (9,250 vs 9,250 sqft); Same quality (Average)
    $1,283,220

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

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$1,460,010$00.0%
2025$1,460,010+$200,000+15.9%
2024$1,260,010$00.0%
2023$1,260,010$00.0%
2022$1,260,010+$203,640+19.3%
2021$1,056,370+$26,180+2.5%
2020$1,030,190——
6-year total+$429,820+41.7%