Cook County Value

827 Leamington Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,561 sqft, built 1954, in New Trier. Assessor market value for 2026: $410,000.

Cook County account 05312000370000

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,561 sqft
$263 per sqft
Year built
1954
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 $410,000 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $263 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.

  • 740 Leamington Ave, Wilmette, IL 60091
    1,561 sqft | $314/sqft | built 1955 | Similar size (1,561 vs 1,561 sqft); Similar age (1955 vs 1954); Similar lot size (7,392 vs 7,296 sqft)
    $490,000
  • 710 Arbor Ln, Glenview, IL 60025
    1,544 sqft | $376/sqft | built 1953 | Similar size (1,544 vs 1,561 sqft); Similar age (1953 vs 1954); Similar lot size (7,170 vs 7,296 sqft)
    $580,000
  • 345 Leclaire Ave Hse, Wilmette, IL 60091
    1,560 sqft | $340/sqft | built 1960 | Similar size (1,560 vs 1,561 sqft); Similar lot size (7,198 vs 7,296 sqft); Same quality (Average)
    $530,000
  • 707 Arbor Ln, Glenview, IL 60025
    1,568 sqft | $421/sqft | built 1952 | Similar size (1,568 vs 1,561 sqft); Similar age (1952 vs 1954); Similar lot size (7,686 vs 7,296 sqft)
    $660,180
  • 800 Glenview Rd, Glenview, IL 60025
    1,564 sqft | $338/sqft | built 1964 | Similar size (1,564 vs 1,561 sqft); Similar lot size (7,539 vs 7,296 sqft); Same quality (Average)
    $528,930

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

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$410,000$00.0%
2025$410,000+$90,000+28.1%
2024$320,000$00.0%
2023$320,000$00.0%
2022$320,000+$9,030+2.9%
2021$310,970+$100.0%
2020$310,960——
6-year total+$99,040+31.8%