Cook County Value

827 La Crosse Ave, Wilmette, IL 60091

4 bed / 2 bath, 1,740 sqft, built 1957, in New Trier. Assessor market value for 2026: $544,340.

Cook County account 05312300050000

Assessor market value
$544,340
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,740 sqft
$313 per sqft
Year built
1957
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 4.5% from $570,000 in 2025 to $544,340 in 2026.
  • Assessor market value per square footThe current public record shows about $313 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 1,109 residential records in the same neighborhood, the average assessor market value is about $311 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.1% on average.

Comparable assessments

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

  • 3229 Central Ave, Wilmette, IL 60091
    1,753 sqft | $325/sqft | built 1960 | Similar size (1,753 vs 1,740 sqft); Similar age (1960 vs 1957); Similar lot size (7,920 vs 7,906 sqft)
    $570,000
  • 3217 Hill Ln, Wilmette, IL 60091
    1,699 sqft | $347/sqft | built 1956 | Similar size (1,699 vs 1,740 sqft); Similar age (1956 vs 1957); Similar lot size (8,033 vs 7,906 sqft)
    $590,000
  • 132 Heather Ln, Wilmette, IL 60091
    1,705 sqft | $349/sqft | built 1957 | Similar size (1,705 vs 1,740 sqft); Built same year (1957); Similar lot size (8,165 vs 7,906 sqft)
    $594,900
  • 139 Heather Ln, Wilmette, IL 60091
    1,736 sqft | $340/sqft | built 1957 | Similar size (1,736 vs 1,740 sqft); Built same year (1957); Similar lot size (8,400 vs 7,906 sqft)
    $590,000
  • 3201 Washington Ave, Wilmette, IL 60091
    1,745 sqft | $308/sqft | built 1960 | Similar size (1,745 vs 1,740 sqft); Similar age (1960 vs 1957); Similar lot size (7,509 vs 7,906 sqft)
    $536,650

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 4.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$544,340−$25,660−4.5%
2025$570,000+$140,000+32.6%
2024$430,000——
2-year total+$114,340+26.6%