Cook County Value

1603 Lake Ave, Wilmette, IL 60091

4 bed / 1 bath, 1,536 sqft, built 1910, in New Trier. Assessor market value for 2026: $730,000.

Cook County account 05332010180000

Assessor market value
$730,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,536 sqft
$475 per sqft
Year built
1910
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 $730,000 in 2025 to $730,000 in 2026.
  • Assessor market value per square footThe current public record shows about $475 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

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

  • 1517 Lake Ave, Wilmette, IL 60091
    1,514 sqft | $482/sqft | built 1913 | Similar size (1,514 vs 1,536 sqft); Similar age (1913 vs 1910); Similar lot size (7,500 vs 7,500 sqft)
    $730,000
  • 401 Gregory Ave, Wilmette, IL 60091
    1,524 sqft | $479/sqft | built 1917 | Similar size (1,524 vs 1,536 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Average)
    $730,000
  • 356 Isabella St, Wilmette, IL 60091
    1,522 sqft | $521/sqft | built 1915 | Similar size (1,522 vs 1,536 sqft); Similar age (1915 vs 1910); Similar lot size (7,620 vs 7,500 sqft)
    $792,980
  • 1624 Spencer Ave, Wilmette, IL 60091
    1,510 sqft | $424/sqft | built 1908 | Similar size (1,510 vs 1,536 sqft); Similar age (1908 vs 1910); Similar lot size (7,200 vs 7,500 sqft)
    $640,190
  • 1638 Washington Ave, Wilmette, IL 60091
    1,648 sqft | $473/sqft | built 1915 | 7% larger (1,648 vs 1,536 sqft); Similar age (1915 vs 1910); Similar lot size (7,440 vs 7,500 sqft)
    $780,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 125 5th St, Wilmette, IL 60091
    1,424 sqft | $562/sqft | built 1907 | 7% size difference (1,424 sqft); Similar age (1907); Within 1 bedroom (3 vs 4)
    $800,000

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$730,000$00.0%
2025$730,000+$120,000+19.7%
2024$610,000$00.0%
2023$610,000$00.0%
2022$610,000+$90,460+17.4%
2021$519,540$00.0%
2020$519,540——
6-year total+$210,460+40.5%