Cook County Value

249 Dennis Ln, Glencoe, IL 60022

4 bed / 3 bath, 3,096 sqft, built 2003, in New Trier. Assessor market value for 2026: $1,467,790.

Cook County account 05064060350000

Assessor market value
$1,467,790
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,096 sqft
$474 per sqft
Year built
2003
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 60022 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 11.0% from $1,650,000 in 2025 to $1,467,790 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 60022.
  • Neighborhood value signalAmong 686 residential records in the same neighborhood, the average assessor market value is about $537 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.7% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 220 Wentworth Ave, Glencoe, IL 60022
    2,978 sqft | $554/sqft | built 2001 | Similar size (2,978 vs 3,096 sqft); Similar age (2001 vs 2003); Similar lot size (9,688 vs 10,200 sqft)
    $1,650,000
  • 941 Tower Rd, Winnetka, IL 60093
    3,056 sqft | $514/sqft | built 2009 | Similar size (3,056 vs 3,096 sqft); Similar lot size (10,751 vs 10,200 sqft); Same quality (Average)
    $1,570,000
  • 265 Wentworth Ave, Glencoe, IL 60022
    3,018 sqft | $507/sqft | built 1998 | Similar size (3,018 vs 3,096 sqft); Similar age (1998 vs 2003); Similar lot size (9,537 vs 10,200 sqft)
    $1,528,860
  • 270 Harbor St, Glencoe, IL 60022
    3,053 sqft | $531/sqft | built 2000 | Similar size (3,053 vs 3,096 sqft); Similar age (2000 vs 2003); Lot 11% larger (11,340 vs 10,200 sqft)
    $1,620,000
  • 529 Green Bay Rd, Glencoe, IL 60022
    3,047 sqft | $453/sqft | built 1995 | Similar size (3,047 vs 3,096 sqft); Similar lot size (10,500 vs 10,200 sqft); Same quality (Average)
    $1,380,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 956 Oak Dr, Glencoe, IL 60022
    3,504 sqft | $756/sqft | built 2009 | 13% size difference (3,504 sqft); Moderate age difference (6 years newer); Within 1 bedroom (5 vs 4)
    $2,650,000
  • 486 Jefferson Ave, Glencoe, IL 60022
    3,829 sqft | $622/sqft | built 1994 | Moderate age difference (9 years older); Within 1 bedroom (3 vs 4)
    $2,380,000

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

Down 11.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,467,790−$182,210−11.0%
2025$1,650,000+$509,180+44.6%
2024$1,140,820——
2-year total+$326,970+28.7%