Cook County Value

104 9th St, Wilmette, IL 60091

3 bed / 2 bath, 1,523 sqft, built 1913, in New Trier. Assessor market value for 2026: $900,000.

Cook County account 05344090070000

Assessor market value
$900,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,523 sqft
$591 per sqft
Year built
1913
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 stayed about the same, from $900,000 in 2025 to $900,000 in 2026.
  • Assessor market value per square footThe current public record shows about $591 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 1407 Gregory Ave, Wilmette, IL 60091
    1,524 sqft | $515/sqft | built 1912 | Similar size (1,524 vs 1,523 sqft); Similar age (1912 vs 1913); Similar lot size (8,750 vs 9,712 sqft)
    $785,470
  • 414 Prairie Ave, Wilmette, IL 60091
    1,476 sqft | $562/sqft | built 1917 | Similar size (1,476 vs 1,523 sqft); Similar age (1917 vs 1913); Similar lot size (8,856 vs 9,712 sqft)
    $830,000
  • 1525 Gregory Ave, Wilmette, IL 60091
    1,425 sqft | $534/sqft | built 1914 | 6% smaller (1,425 vs 1,523 sqft); Similar age (1914 vs 1913); Similar lot size (9,100 vs 9,712 sqft)
    $760,890
  • 1416 Gregory Ave, Wilmette, IL 60091
    1,600 sqft | $538/sqft | built 1916 | 5% larger (1,600 vs 1,523 sqft); Similar age (1916 vs 1913); Lot 12% smaller (8,550 vs 9,712 sqft)
    $860,010
  • 356 Isabella St, Wilmette, IL 60091
    1,522 sqft | $521/sqft | built 1915 | Similar size (1,522 vs 1,523 sqft); Similar age (1915 vs 1913); Same quality (Average)
    $792,980

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$900,000$00.0%
2025$900,000+$240,000+36.4%
2024$660,000$00.0%
2023$660,000$00.0%
2022$660,000+$168,140+34.2%
2021$491,860$00.0%
2020$491,860——
6-year total+$408,140+83.0%