Cook County Value

117 Westmoreland Dr, Wilmette, IL 60091

4 bed / 2 bath, 2,942 sqft, built 1988, in New Trier. Assessor market value for 2026: $958,330.

Cook County account 05323080260000

Assessor market value
$958,330
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,942 sqft
$326 per sqft
Year built
1988
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 6.0% from $1,020,000 in 2025 to $958,330 in 2026.
  • Assessor market value per square footThe current public record shows about $326 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 1,944 residential records in the same neighborhood, the average assessor market value is about $372 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.2% on average.

Comparable assessments

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

  • 111 Westmoreland Dr, Wilmette, IL 60091
    2,984 sqft | $322/sqft | built 1989 | Similar size (2,984 vs 2,942 sqft); Similar age (1989 vs 1988); Similar lot size (8,872 vs 9,000 sqft)
    $960,660
  • 430 Cedar Ln, Wilmette, IL 60091
    2,923 sqft | $390/sqft | built 1984 | Similar size (2,923 vs 2,942 sqft); Similar age (1984 vs 1988); Similar lot size (9,425 vs 9,000 sqft)
    $1,140,010
  • 2937 Greenleaf Ave, Wilmette, IL 60091
    2,893 sqft | $318/sqft | built 1986 | Similar size (2,893 vs 2,942 sqft); Similar age (1986 vs 1988); Lot 11% smaller (7,985 vs 9,000 sqft)
    $920,010
  • 2906 Hawthorne Ln, Wilmette, IL 60091
    2,858 sqft | $289/sqft | built 1977 | Similar size (2,858 vs 2,942 sqft); Similar lot size (9,434 vs 9,000 sqft); Same quality (Average)
    $825,440
  • 548 Hunter Rd, Wilmette, IL 60091
    2,964 sqft | $319/sqft | built 1975 | Similar size (2,964 vs 2,942 sqft); Similar lot size (8,411 vs 9,000 sqft); Same quality (Average)
    $945,790

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 6.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$958,330−$61,670−6.0%
2025$1,020,000+$300,580+41.8%
2024$719,420——
2-year total+$238,910+33.2%