Cook County Value

1133 Ashland Ave, Wilmette, IL 60091

4 bed / 3 bath, 3,211 sqft, built 1918, in New Trier. Assessor market value for 2026: $1,636,590.

Cook County account 05273070020000

Assessor market value
$1,636,590
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,211 sqft
$510 per sqft
Year built
1918
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 5.8% from $1,736,650 in 2025 to $1,636,590 in 2026.
  • Assessor market value per square footThe current public record shows about $510 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.

  • 700 Greenwood Ave, Wilmette, IL 60091
    3,306 sqft | $515/sqft | built 1921 | Similar size (3,306 vs 3,211 sqft); Similar age (1921 vs 1918); Similar lot size (10,875 vs 10,560 sqft)
    $1,702,620
  • 1131 Chestnut Ave, Wilmette, IL 60091
    3,126 sqft | $621/sqft | built 1921 | Similar size (3,126 vs 3,211 sqft); Similar age (1921 vs 1918); Similar lot size (10,560 vs 10,560 sqft)
    $1,940,000
  • 730 Forest Ave, Wilmette, IL 60091
    3,200 sqft | $469/sqft | built 1913 | Similar size (3,200 vs 3,211 sqft); Similar age (1913 vs 1918); Similar lot size (11,100 vs 10,560 sqft)
    $1,500,000
  • 826 Chestnut Ave, Wilmette, IL 60091
    3,140 sqft | $545/sqft | built 1917 | Similar size (3,140 vs 3,211 sqft); Similar age (1917 vs 1918); Similar lot size (10,249 vs 10,560 sqft)
    $1,709,830
  • 723 Ashland Ave, Wilmette, IL 60091
    3,369 sqft | $533/sqft | built 1918 | Similar size (3,369 vs 3,211 sqft); Built same year (1918); Similar lot size (11,160 vs 10,560 sqft)
    $1,794,860

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 5.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,636,590−$100,060−5.8%
2025$1,736,650+$334,440+23.9%
2024$1,402,210$00.0%
2023$1,402,210$00.0%
2022$1,402,210+$310,570+28.4%
2021$1,091,640+$100.0%
2020$1,091,630——
6-year total+$544,960+49.9%