Cook County Value

1330 Isabella St, Wilmette, IL 60091

4 bed / 4 bath, 3,079 sqft, built 2023, in New Trier. Assessor market value for 2026: $2,009,850.

Cook County account 05343060110000

Assessor market value
$2,009,850
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,079 sqft
$653 per sqft
Year built
2023
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 9.9% from $2,230,010 in 2025 to $2,009,850 in 2026.
  • Assessor market value per square footThe current public record shows about $653 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.

  • 119 Sheridan Rd, Wilmette, IL 60091
    3,126 sqft | $557/sqft | built 2018 | Similar size (3,126 vs 3,079 sqft); Similar age (2018 vs 2023); Similar lot size (8,680 vs 8,750 sqft)
    $1,740,000
  • 1311 Gregory Ave, Wilmette, IL 60091
    3,078 sqft | $686/sqft | built 2022 | Similar size (3,078 vs 3,079 sqft); Similar age (2022 vs 2023); Similar lot size (8,750 vs 8,750 sqft)
    $2,110,010
  • 2108 Schiller Ave, Wilmette, IL 60091
    3,153 sqft | $444/sqft | built 2021 | Similar size (3,153 vs 3,079 sqft); Similar age (2021 vs 2023); Similar lot size (8,750 vs 8,750 sqft)
    $1,401,170
  • 1919 Schiller Ave, Wilmette, IL 60091
    3,222 sqft | $505/sqft | built 2011 | Similar size (3,222 vs 3,079 sqft); Similar lot size (8,850 vs 8,750 sqft); Same quality (Average)
    $1,627,660
  • 225 Sheridan Rd, Wilmette, IL 60091
    3,061 sqft | $552/sqft | built 2009 | Similar size (3,061 vs 3,079 sqft); Similar lot size (8,542 vs 8,750 sqft); Same quality (Average)
    $1,690,010

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 9.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,009,850−$220,160−9.9%
2025$2,230,010−$210,620−8.6%
2024$2,440,630+$1,755,470+256.2%
2023$685,160−$54,850−7.4%
2022$740,010+$176,770+31.4%
2021$563,240$00.0%
2020$563,240——
6-year total+$1,446,610+256.8%