Cook County Value

822 Elmwood Ave, Wilmette, IL 60091

5 bed / 3 bath, 4,285 sqft, built 1894, in New Trier. Assessor market value for 2026: $2,100,410.

Cook County account 05274100120000

Assessor market value
$2,100,410
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,285 sqft
$490 per sqft
Year built
1894
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 10.6% from $2,350,000 in 2025 to $2,100,410 in 2026.
  • Assessor market value per square footThe current public record shows about $490 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 809 residential records in the same neighborhood, the average assessor market value is about $540 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.4% on average.

Comparable assessments

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

  • 1232 Greenwood Ave, Wilmette, IL 60091
    4,195 sqft | $503/sqft | built 1906 | Similar size (4,195 vs 4,285 sqft); Similar lot size (12,090 vs 13,200 sqft); Same quality (Average)
    $2,110,010
  • 607 Forest Ave, Wilmette, IL 60091
    3,978 sqft | $478/sqft | built 1891 | 7% smaller (3,978 vs 4,285 sqft); Similar age (1891 vs 1894); Similar lot size (11,970 vs 13,200 sqft)
    $1,900,010
  • 622 Forest Ave, Wilmette, IL 60091
    4,297 sqft | $500/sqft | built 1906 | Similar size (4,297 vs 4,285 sqft); Lot 12% smaller (11,655 vs 13,200 sqft); Same quality (Average)
    $2,150,000
  • 809 Elmwood Ave, Wilmette, IL 60091
    4,184 sqft | $524/sqft | built 1904 | Similar size (4,184 vs 4,285 sqft); Similar lot size (14,100 vs 13,200 sqft); Same quality (Average)
    $2,191,260
  • 1204 Forest Ave, Wilmette, IL 60091
    4,413 sqft | $453/sqft | built 1879 | Similar size (4,413 vs 4,285 sqft); Similar lot size (13,875 vs 13,200 sqft); Same quality (Average)
    $2,000,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 10.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,100,410−$249,590−10.6%
2025$2,350,000+$1,075,000+84.3%
2024$1,275,000$00.0%
2023$1,275,000−$255,000−16.7%
2022$1,530,000+$243,560+18.9%
2021$1,286,440+$100.0%
2020$1,286,430——
6-year total+$813,980+63.3%