Cook County Value

742 9th St, Wilmette, IL 60091

4 bed / 4 bath, 3,078 sqft, built 2004, in New Trier. Assessor market value for 2026: $1,731,480.

Cook County account 05342010320000

Assessor market value
$1,731,480
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,078 sqft
$563 per sqft
Year built
2004
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 3.8% from $1,800,000 in 2025 to $1,731,480 in 2026.
  • Assessor market value per square footThe current public record shows about $563 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 807 residential records in the same neighborhood, the average assessor market value is about $481 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.6% on average.

Comparable assessments

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

  • 218 Woodbine Ave, Wilmette, IL 60091
    3,145 sqft | $587/sqft | built 2004 | Similar size (3,145 vs 3,078 sqft); Built same year (2004); Similar lot size (8,700 vs 8,451 sqft)
    $1,846,440
  • 230 Central Ave, Wilmette, IL 60091
    3,204 sqft | $580/sqft | built 2000 | Similar size (3,204 vs 3,078 sqft); Similar age (2000 vs 2004); Similar lot size (8,586 vs 8,451 sqft)
    $1,859,260
  • 623 Lake Ave, Wilmette, IL 60091
    2,993 sqft | $584/sqft | built 2006 | Similar size (2,993 vs 3,078 sqft); Similar age (2006 vs 2004); Similar lot size (7,950 vs 8,451 sqft)
    $1,747,700
  • 427 Central Ave, Wilmette, IL 60091
    3,056 sqft | $507/sqft | built 1997 | Similar size (3,056 vs 3,078 sqft); Similar lot size (8,050 vs 8,451 sqft); Same quality (Average)
    $1,550,010
  • 607 Lake Ave, Wilmette, IL 60091
    3,165 sqft | $578/sqft | built 2000 | Similar size (3,165 vs 3,078 sqft); Similar age (2000 vs 2004); Similar lot size (7,950 vs 8,451 sqft)
    $1,830,010

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 3.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,731,480−$68,520−3.8%
2025$1,800,000+$639,280+55.1%
2024$1,160,720——
2-year total+$570,760+49.2%