Cook County Value

1638 Highland Ave, Wilmette, IL 60091

3 bed / 1 bath, 1,702 sqft, built 1921, in New Trier. Assessor market value for 2026: $900,000.

Cook County account 05332090100000

Assessor market value
$900,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,702 sqft
$529 per sqft
Year built
1921
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 $900,000 in 2025 to $900,000 in 2026.
  • Assessor market value per square footThe current public record shows about $529 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 407 Maple Ave, Wilmette, IL 60091
    1,717 sqft | $460/sqft | built 1926 | Similar size (1,717 vs 1,702 sqft); Similar age (1926 vs 1921); Similar lot size (6,150 vs 6,200 sqft)
    $790,010
  • 848 Park Ave, Wilmette, IL 60091
    1,721 sqft | $469/sqft | built 1924 | Similar size (1,721 vs 1,702 sqft); Similar age (1924 vs 1921); Similar lot size (6,300 vs 6,200 sqft)
    $807,300
  • 302 17th St, Wilmette, IL 60091
    1,732 sqft | $458/sqft | built 1925 | Similar size (1,732 vs 1,702 sqft); Similar age (1925 vs 1921); Similar lot size (6,400 vs 6,200 sqft)
    $793,170
  • 200 17th St, Wilmette, IL 60091
    1,678 sqft | $404/sqft | built 1927 | Similar size (1,678 vs 1,702 sqft); Similar lot size (6,400 vs 6,200 sqft); Same quality (Average)
    $677,840
  • 516 Isabella St, Wilmette, IL 60091
    1,728 sqft | $519/sqft | built 1926 | Similar size (1,728 vs 1,702 sqft); Similar age (1926 vs 1921); Similar lot size (5,907 vs 6,200 sqft)
    $896,490

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$900,000$00.0%
2025$900,000+$280,000+45.2%
2024$620,000$00.0%
2023$620,000$00.0%
2022$620,000+$126,750+25.7%
2021$493,250$00.0%
2020$493,250——
6-year total+$406,750+82.5%