Cook County Value

2227 Washington Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,693 sqft, built 1960, in New Trier. Assessor market value for 2026: $690,000.

Cook County account 05331110970000

Assessor market value
$690,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,693 sqft
$408 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 stayed about the same, from $690,000 in 2025 to $690,000 in 2026.
  • Assessor market value per square footThe current public record shows about $408 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.

  • 2700 Wilmette Ave, Wilmette, IL 60091
    1,676 sqft | $388/sqft | built 1959 | Similar size (1,676 vs 1,693 sqft); Similar age (1959 vs 1960); Similar lot size (9,226 vs 9,418 sqft)
    $650,000
  • 520 Karey Ct, Wilmette, IL 60091
    1,708 sqft | $369/sqft | built 1959 | Similar size (1,708 vs 1,693 sqft); Similar age (1959 vs 1960); Similar lot size (9,179 vs 9,418 sqft)
    $629,840
  • 2834 Birchwood Ave, Wilmette, IL 60091
    1,680 sqft | $387/sqft | built 1957 | Similar size (1,680 vs 1,693 sqft); Similar age (1957 vs 1960); Similar lot size (9,520 vs 9,418 sqft)
    $650,000
  • 2717 Birchwood Ave, Wilmette, IL 60091
    1,684 sqft | $368/sqft | built 1956 | Similar size (1,684 vs 1,693 sqft); Similar age (1956 vs 1960); Similar lot size (9,520 vs 9,418 sqft)
    $620,000
  • 2727 Birchwood Ave, Wilmette, IL 60091
    1,666 sqft | $390/sqft | built 1957 | Similar size (1,666 vs 1,693 sqft); Similar age (1957 vs 1960); Similar lot size (9,520 vs 9,418 sqft)
    $650,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$690,000$00.0%
2025$690,000+$178,840+35.0%
2024$511,160$00.0%
2023$511,160−$58,850−10.3%
2022$570,010+$139,650+32.4%
2021$430,360+$200.0%
2020$430,340——
6-year total+$259,660+60.3%