Cook County Value

101 Westmoreland Dr, Wilmette, IL 60091

4 bed / 2 bath, 3,492 sqft, built 1993, in New Trier. Assessor market value for 2026: $1,075,940.

Cook County account 05323080230000

Assessor market value
$1,075,940
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,492 sqft
$308 per sqft
Year built
1993
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 3.9% from $1,120,000 in 2025 to $1,075,940 in 2026.
  • Assessor market value per square footThe current public record shows about $308 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

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

  • 433 Cedar Ln, Wilmette, IL 60091
    3,489 sqft | $355/sqft | built 1983 | Similar size (3,489 vs 3,492 sqft); Similar lot size (10,985 vs 10,961 sqft); Same quality (Average)
    $1,240,010
  • 1714 Wilmette Ave, Wilmette, IL 60091
    3,505 sqft | $488/sqft | built 2006 | Similar size (3,505 vs 3,492 sqft); Similar lot size (11,200 vs 10,961 sqft); Same quality (Average)
    $1,710,000
  • 429 Cedar Ln, Wilmette, IL 60091
    3,430 sqft | $350/sqft | built 1986 | Similar size (3,430 vs 3,492 sqft); Similar lot size (10,535 vs 10,961 sqft); Same quality (Average)
    $1,200,010
  • 2316 Birchwood Ave, Wilmette, IL 60091
    3,757 sqft | $344/sqft | built 1999 | 8% larger (3,757 vs 3,492 sqft); Similar lot size (11,100 vs 10,961 sqft); Same quality (Average)
    $1,292,950
  • 562 Hunter Rd, Wilmette, IL 60091
    3,210 sqft | $327/sqft | built 1984 | 8% smaller (3,210 vs 3,492 sqft); Similar lot size (10,560 vs 10,961 sqft); Same quality (Average)
    $1,050,000

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 3.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,075,940−$44,060−3.9%
2025$1,120,000+$330,000+41.8%
2024$790,000——
2-year total+$285,940+36.2%