Cook County Value

1015 Knoll Ln, Wilmette, IL 60091

5 bed / 2 bath, 2,757 sqft, built 1976, in New Trier. Assessor market value for 2026: $1,056,360.

Cook County account 05283180040000

Assessor market value
$1,056,360
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,757 sqft
$383 per sqft
Year built
1976
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 3.1% from $1,090,000 in 2025 to $1,056,360 in 2026.
  • Assessor market value per square footThe current public record shows about $383 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 724 residential records in the same neighborhood, the average assessor market value is about $416 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.

  • 1025 Knoll Ln, Wilmette, IL 60091
    2,757 sqft | $388/sqft | built 1976 | Similar size (2,757 vs 2,757 sqft); Built same year (1976); Similar lot size (8,568 vs 8,568 sqft)
    $1,071,000
  • 2223 Iroquois Rd, Wilmette, IL 60091
    2,683 sqft | $379/sqft | built 1975 | Similar size (2,683 vs 2,757 sqft); Similar age (1975 vs 1976); Similar lot size (8,424 vs 8,568 sqft)
    $1,016,310
  • 1019 Knoll Ln, Wilmette, IL 60091
    2,598 sqft | $388/sqft | built 1976 | 6% smaller (2,598 vs 2,757 sqft); Built same year (1976); Similar lot size (8,568 vs 8,568 sqft)
    $1,007,660
  • 2218 Iroquois Rd, Wilmette, IL 60091
    2,853 sqft | $368/sqft | built 1975 | Similar size (2,853 vs 2,757 sqft); Similar age (1975 vs 1976); Similar lot size (8,580 vs 8,568 sqft)
    $1,049,180
  • 2131 Elmwood Ave, Wilmette, IL 60091
    2,676 sqft | $374/sqft | built 1977 | Similar size (2,676 vs 2,757 sqft); Similar age (1977 vs 1976); Similar lot size (8,497 vs 8,568 sqft)
    $1,000,460

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 3.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,056,360−$33,640−3.1%
2025$1,090,000+$335,260+44.4%
2024$754,740——
2-year total+$301,620+40.0%