Cook County Value

512 Leamington Ave, Wilmette, IL 60091

3 bed / 2 bath, 1,379 sqft, built 1960, in New Trier. Assessor market value for 2026: $428,950.

Cook County account 05312230110000

Assessor market value
$428,950
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,379 sqft
$311 per sqft
Year built
1960
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 2.5% from $440,000 in 2025 to $428,950 in 2026.
  • Assessor market value per square footThe current public record shows about $311 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

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

  • 251 Latrobe Ave Northfield, IL 60093
    1,366 sqft | $337/sqft | built 1962 | Similar size (1,366 vs 1,379 sqft); Similar age (1962 vs 1960); Similar lot size (6,400 vs 6,650 sqft)
    $460,000
  • 336 Latrobe Ave Northfield, IL 60093
    1,384 sqft | $275/sqft | built 1953 | Similar size (1,384 vs 1,379 sqft); Similar lot size (6,600 vs 6,650 sqft); Same quality (Average)
    $380,880
  • 900 Long Rd, Glenview, IL 60025
    1,391 sqft | $388/sqft | built 1961 | Similar size (1,391 vs 1,379 sqft); Similar age (1961 vs 1960); Similar lot size (7,128 vs 6,650 sqft)
    $539,420
  • 740 Indian Rd, Glenview, IL 60025
    1,375 sqft | $375/sqft | built 1964 | Similar size (1,375 vs 1,379 sqft); Similar age (1964 vs 1960); Similar lot size (7,269 vs 6,650 sqft)
    $516,150
  • 21 Hackberry Ln, Glenview, IL 60025
    1,374 sqft | $350/sqft | built 1959 | Similar size (1,374 vs 1,379 sqft); Similar age (1959 vs 1960); Lot 11% smaller (5,940 vs 6,650 sqft)
    $481,550

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 2.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$428,950−$11,050−2.5%
2025$440,000+$60,000+15.8%
2024$380,000——
2-year total+$48,950+12.9%