Cook County Value

1515 Lake Ave, Wilmette, IL 60091

3 bed / 2 bath, 1,988 sqft, built 1906, in New Trier. Assessor market value for 2026: $919,670.

Cook County account 05332020070000

Assessor market value
$919,670
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,988 sqft
$463 per sqft
Year built
1906
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 $919,670 in 2025 to $919,670 in 2026.
  • Assessor market value per square footThe current public record shows about $463 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.

  • 1507 Lake Ave, Wilmette, IL 60091
    1,969 sqft | $437/sqft | built 1909 | Similar size (1,969 vs 1,988 sqft); Similar age (1909 vs 1906); Similar lot size (7,500 vs 7,500 sqft)
    $860,000
  • 524 15th St, Wilmette, IL 60091
    1,967 sqft | $559/sqft | built 1906 | Similar size (1,967 vs 1,988 sqft); Built same year (1906); Similar lot size (7,630 vs 7,500 sqft)
    $1,100,010
  • 1123 Linden Ave, Wilmette, IL 60091
    1,943 sqft | $456/sqft | built 1908 | Similar size (1,943 vs 1,988 sqft); Similar age (1908 vs 1906); Similar lot size (7,550 vs 7,500 sqft)
    $885,990
  • 220 Central Park Ave, Wilmette, IL 60091
    2,009 sqft | $450/sqft | built 1906 | Similar size (2,009 vs 1,988 sqft); Built same year (1906); Similar lot size (6,950 vs 7,500 sqft)
    $903,310
  • 1714 Washington Ave, Wilmette, IL 60091
    2,016 sqft | $327/sqft | built 1898 | Similar size (2,016 vs 1,988 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Average)
    $659,250

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$919,670$00.0%
2025$919,670+$268,010+41.1%
2024$651,660$00.0%
2023$651,660$00.0%
2022$651,660+$134,500+26.0%
2021$517,160$00.0%
2020$517,160——
6-year total+$402,510+77.8%