Cook County Value

1518 Wilmette Ave, Wilmette, IL 60091

6 bed / 5 bath, 3,362 sqft, built 2018, in New Trier. Assessor market value for 2026: $1,804,760.

Cook County account 05332170160000

Assessor market value
$1,804,760
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,362 sqft
$537 per sqft
Year built
2018
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 8.4% from $1,970,000 in 2025 to $1,804,760 in 2026.
  • Assessor market value per square footThe current public record shows about $537 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.

  • 1511 Central Ave, Wilmette, IL 60091
    3,500 sqft | $601/sqft | built 2018 | Similar size (3,500 vs 3,362 sqft); Built same year (2018); Similar lot size (8,100 vs 7,800 sqft)
    $2,102,430
  • 707 Harvard St, Wilmette, IL 60091
    3,185 sqft | $518/sqft | built 2018 | 5% smaller (3,185 vs 3,362 sqft); Built same year (2018); Similar lot size (7,875 vs 7,800 sqft)
    $1,650,000
  • 1517 Highland Ave, Wilmette, IL 60091
    3,488 sqft | $545/sqft | built 2022 | Similar size (3,488 vs 3,362 sqft); Similar age (2022 vs 2018); Similar lot size (7,800 vs 7,800 sqft)
    $1,900,000
  • 1535 Lake Ave, Wilmette, IL 60091
    3,297 sqft | $599/sqft | built 2024 | Similar size (3,297 vs 3,362 sqft); Similar lot size (7,500 vs 7,800 sqft); Same quality (Average)
    $1,975,000
  • 129 6th St, Wilmette, IL 60091
    3,224 sqft | $682/sqft | built 2021 | Similar size (3,224 vs 3,362 sqft); Similar age (2021 vs 2018); Similar lot size (7,750 vs 7,800 sqft)
    $2,200,010

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 8.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,804,760−$165,240−8.4%
2025$1,970,000+$733,790+59.4%
2024$1,236,210——
2-year total+$568,550+46.0%