Cook County Value

511 Leamington Ave Hse, Wilmette, IL 60091

3 bed / 2 bath, 1,148 sqft, built 1959, in New Trier. Assessor market value for 2026: $372,630.

Cook County account 05312220280000

Assessor market value
$372,630
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,148 sqft
$325 per sqft
Year built
1959
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 6.8% from $400,000 in 2025 to $372,630 in 2026.
  • Assessor market value per square footThe current public record shows about $325 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 1,980 residential records in the same neighborhood, the average assessor market value is about $334 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 521 Leamington Ave, Wilmette, IL 60091
    1,148 sqft | $348/sqft | built 1959 | Similar size (1,148 vs 1,148 sqft); Built same year (1959); Similar lot size (5,280 vs 5,302 sqft)
    $400,000
  • 525 Leamington Ave Hse, Wilmette, IL 60091
    1,152 sqft | $333/sqft | built 1963 | Similar size (1,152 vs 1,148 sqft); Similar age (1963 vs 1959); Similar lot size (5,280 vs 5,302 sqft)
    $383,650
  • 323 Leclaire Ave, Wilmette, IL 60091
    1,152 sqft | $347/sqft | built 1955 | Similar size (1,152 vs 1,148 sqft); Similar age (1955 vs 1959); Similar lot size (5,320 vs 5,302 sqft)
    $400,000
  • 725 Echo Ln, Glenview, IL 60025
    1,148 sqft | $444/sqft | built 1954 | Similar size (1,148 vs 1,148 sqft); Similar age (1954 vs 1959); Similar lot size (5,320 vs 5,302 sqft)
    $510,000
  • 733 Long Rd, Glenview, IL 60025
    1,123 sqft | $402/sqft | built 1961 | Similar size (1,123 vs 1,148 sqft); Similar age (1961 vs 1959); Similar lot size (5,265 vs 5,302 sqft)
    $451,570

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 6.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$372,630−$27,370−6.8%
2025$400,000+$110,830+38.3%
2024$289,170——
2-year total+$83,460+28.9%