Cook County Value

2138 Chestnut Ave, Wilmette, IL 60091

4 bed / 3 bath, 3,114 sqft, built 1950, in New Trier. Assessor market value for 2026: $1,354,330.

Cook County account 05283000430000

Assessor market value
$1,354,330
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,114 sqft
$435 per sqft
Year built
1950
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 $1,410,000 in 2025 to $1,354,330 in 2026.
  • Assessor market value per square footThe current public record shows about $435 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 1,584 residential records in the same neighborhood, the average assessor market value is about $440 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.9% on average.

Comparable assessments

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

  • 1944 Chestnut Ave, Wilmette, IL 60091
    2,932 sqft | $425/sqft | built 1948 | 6% smaller (2,932 vs 3,114 sqft); Similar age (1948 vs 1950); Similar lot size (8,750 vs 8,750 sqft)
    $1,245,210
  • 363 Ridge Rd Kenilworth, IL 60043
    3,011 sqft | $422/sqft | built 1945 | Similar size (3,011 vs 3,114 sqft); Similar age (1945 vs 1950); Similar lot size (8,640 vs 8,750 sqft)
    $1,271,340
  • 2236 Chestnut Ave, Wilmette, IL 60091
    3,193 sqft | $439/sqft | built 1941 | Similar size (3,193 vs 3,114 sqft); Similar lot size (8,750 vs 8,750 sqft); Same quality (Average)
    $1,401,380
  • 2025 Kenilworth Ave, Wilmette, IL 60091
    3,198 sqft | $478/sqft | built 1942 | Similar size (3,198 vs 3,114 sqft); Similar lot size (8,932 vs 8,750 sqft); Same quality (Average)
    $1,530,000
  • 1244 Glendenning Rd, Wilmette, IL 60091
    3,059 sqft | $409/sqft | built 1948 | Similar size (3,059 vs 3,114 sqft); Similar age (1948 vs 1950); Similar lot size (9,375 vs 8,750 sqft)
    $1,249,990

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: . Showing the last prepared sales evidence while recent sales are refreshed. 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$1,354,330−$55,670−3.9%
2025$1,410,000+$450,000+46.9%
2024$960,000$00.0%
2023$960,000$00.0%
2022$960,000+$94,600+10.9%
2021$865,400−$42,920−4.7%
2020$908,320——
6-year total+$446,010+49.1%