Cook County Value

525 Leamington Ave Hse, Wilmette, IL 60091

3 bed / 2 bath, 1,152 sqft, built 1963, in New Trier. Assessor market value for 2026: $383,650.

Cook County account 05312220240000

Assessor market value
$383,650
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,152 sqft
$333 per sqft
Year built
1963
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 4.1% from $400,000 in 2025 to $383,650 in 2026.
  • Assessor market value per square footThe current public record shows about $333 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.

  • 521 Leamington Ave, Wilmette, IL 60091
    1,148 sqft | $348/sqft | built 1959 | Similar size (1,148 vs 1,152 sqft); Similar age (1959 vs 1963); Similar lot size (5,280 vs 5,280 sqft)
    $400,000
  • 511 Leamington Ave Hse, Wilmette, IL 60091
    1,148 sqft | $325/sqft | built 1959 | Similar size (1,148 vs 1,152 sqft); Similar age (1959 vs 1963); Similar lot size (5,302 vs 5,280 sqft)
    $372,630
  • 733 Long Rd, Glenview, IL 60025
    1,123 sqft | $402/sqft | built 1961 | Similar size (1,123 vs 1,152 sqft); Similar age (1961 vs 1963); Similar lot size (5,265 vs 5,280 sqft)
    $451,570
  • 524 Laramie Ave, Wilmette, IL 60091
    1,164 sqft | $335/sqft | built 1961 | Similar size (1,164 vs 1,152 sqft); Similar age (1961 vs 1963); Similar lot size (5,000 vs 5,280 sqft)
    $390,000
  • 323 Leclaire Ave, Wilmette, IL 60091
    1,152 sqft | $347/sqft | built 1955 | Similar size (1,152 vs 1,152 sqft); Similar lot size (5,320 vs 5,280 sqft); Same quality (Average)
    $400,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 4.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$383,650−$16,350−4.1%
2025$400,000+$108,180+37.1%
2024$291,820——
2-year total+$91,830+31.5%