Cook County Value

828 Leamington Ave, Wilmette, IL 60091

3 bed / 2 bath, 2,508 sqft, built 1954, in New Trier. Assessor market value for 2026: $620,000.

Cook County account 05312010330000

Assessor market value
$620,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,508 sqft
$247 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 $620,000 in 2025 to $620,000 in 2026.
  • Assessor market value per square footThe current public record shows about $247 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.

  • 812 Laramie Ave, Wilmette, IL 60091
    2,593 sqft | $270/sqft | built 1951 | Similar size (2,593 vs 2,508 sqft); Similar age (1951 vs 1954); Similar lot size (7,552 vs 7,524 sqft)
    $700,000
  • 1710 Harding Rd Northfield, IL 60093
    2,502 sqft | $296/sqft | built 1966 | Similar size (2,502 vs 2,508 sqft); Similar lot size (7,550 vs 7,524 sqft); Same quality (Average)
    $740,000
  • 230 Latrobe Ave Northfield, IL 60093
    2,397 sqft | $284/sqft | built 1952 | Similar size (2,397 vs 2,508 sqft); Similar age (1952 vs 1954); Similar lot size (7,478 vs 7,524 sqft)
    $680,070
  • 1563 Mt Pleasant St Northfield, IL 60093
    2,492 sqft | $262/sqft | built 1942 | Similar size (2,492 vs 2,508 sqft); Similar lot size (7,688 vs 7,524 sqft); Same quality (Average)
    $652,310
  • 3510 Forest Ave, Wilmette, IL 60091
    2,505 sqft | $290/sqft | built 1942 | Similar size (2,505 vs 2,508 sqft); Similar lot size (7,920 vs 7,524 sqft); Same quality (Average)
    $726,670

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$620,000$00.0%
2025$620,000+$130,000+26.5%
2024$490,000$00.0%
2023$490,000$00.0%
2022$490,000+$163,280+50.0%
2021$326,720+$200.0%
2020$326,700——
6-year total+$293,300+89.8%