Cook County Value

3201 Washington Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,745 sqft, built 1960, in New Trier. Assessor market value for 2026: $536,650.

Cook County account 05312190150000

Assessor market value
$536,650
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,745 sqft
$308 per sqft
Year built
1960
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 7.5% from $580,000 in 2025 to $536,650 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 1,109 residential records in the same neighborhood, the average assessor market value is about $311 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.1% on average.

Comparable assessments

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

  • 3229 Central Ave, Wilmette, IL 60091
    1,753 sqft | $325/sqft | built 1960 | Similar size (1,753 vs 1,745 sqft); Built same year (1960); Similar lot size (7,920 vs 7,509 sqft)
    $570,000
  • 3216 Hill Ln, Wilmette, IL 60091
    1,782 sqft | $342/sqft | built 1957 | Similar size (1,782 vs 1,745 sqft); Similar age (1957 vs 1960); Similar lot size (7,431 vs 7,509 sqft)
    $610,000
  • 720 Lamon Ave, Wilmette, IL 60091
    1,703 sqft | $326/sqft | built 1961 | Similar size (1,703 vs 1,745 sqft); Similar age (1961 vs 1960); Similar lot size (7,500 vs 7,509 sqft)
    $555,800
  • 827 La Crosse Ave, Wilmette, IL 60091
    1,740 sqft | $313/sqft | built 1957 | Similar size (1,740 vs 1,745 sqft); Similar age (1957 vs 1960); Similar lot size (7,906 vs 7,509 sqft)
    $544,340
  • 601 La Crosse Ave, Wilmette, IL 60091
    1,790 sqft | $312/sqft | built 1958 | Similar size (1,790 vs 1,745 sqft); Similar age (1958 vs 1960); Similar lot size (7,544 vs 7,509 sqft)
    $557,670

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 7.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$536,650−$43,350−7.5%
2025$580,000+$158,890+37.7%
2024$421,110——
2-year total+$115,540+27.4%