Cook County Value

829 Elmwood Ave, Wilmette, IL 60091

4 bed / 2 bath, 3,238 sqft, built 1905, in New Trier. Assessor market value for 2026: $1,618,190.

Cook County account 05274160020000

Assessor market value
$1,618,190
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,238 sqft
$500 per sqft
Year built
1905
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 4.8% from $1,700,000 in 2025 to $1,618,190 in 2026.
  • Assessor market value per square footThe current public record shows about $500 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

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

  • 1232 Forest Ave, Wilmette, IL 60091
    3,178 sqft | $469/sqft | built 1905 | Similar size (3,178 vs 3,238 sqft); Built same year (1905); Similar lot size (9,250 vs 9,400 sqft)
    $1,490,010
  • 1132 Forest Ave, Wilmette, IL 60091
    3,238 sqft | $380/sqft | built 1906 | Similar size (3,238 vs 3,238 sqft); Similar age (1906 vs 1905); Similar lot size (9,250 vs 9,400 sqft)
    $1,230,010
  • 1107 Elmwood Ave, Wilmette, IL 60091
    3,221 sqft | $446/sqft | built 1908 | Similar size (3,221 vs 3,238 sqft); Similar age (1908 vs 1905); Similar lot size (9,150 vs 9,400 sqft)
    $1,435,680
  • 707 Forest Ave, Wilmette, IL 60091
    3,206 sqft | $538/sqft | built 1909 | Similar size (3,206 vs 3,238 sqft); Similar age (1909 vs 1905); Similar lot size (9,500 vs 9,400 sqft)
    $1,724,200
  • 1027 Elmwood Ave, Wilmette, IL 60091
    3,205 sqft | $471/sqft | built 1902 | Similar size (3,205 vs 3,238 sqft); Similar age (1902 vs 1905); Similar lot size (9,300 vs 9,400 sqft)
    $1,507,970

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 4.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,618,190−$81,810−4.8%
2025$1,700,000+$340,000+25.0%
2024$1,360,000$00.0%
2023$1,360,000$00.0%
2022$1,360,000+$279,060+25.8%
2021$1,080,940+$100.0%
2020$1,080,930——
6-year total+$537,260+49.7%