Cook County Value

1214 Isabella St, Wilmette, IL 60091

4 bed / 2 bath, 3,206 sqft, built 2006, in New Trier Assessor market value for 2026: $1,676,200.

Cook County account 05343070230000

Assessor market value
$1,676,200
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,206 sqft
$523 per sqft
Year built
2006
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 $1,676,200 in 2025 to $1,676,200 in 2026.
  • Assessor market value per square footThe current public record shows about $523 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.

  • 1633 Highland Ave, Wilmette, IL 60091
    3,186 sqft | $579/sqft | built 2004 | Similar size (3,186 vs 3,206 sqft); Similar age (2004 vs 2006); Similar lot size (8,268 vs 8,750 sqft)
    $1,844,510
  • 1925 Birchwood Ave, Wilmette, IL 60091
    3,260 sqft | $430/sqft | built 2010 | Similar size (3,260 vs 3,206 sqft); Similar age (2010 vs 2006); Similar lot size (8,850 vs 8,750 sqft)
    $1,400,590
  • 211 9th St, Wilmette, IL 60091
    3,138 sqft | $574/sqft | built 2009 | Similar size (3,138 vs 3,206 sqft); Similar age (2009 vs 2006); Similar lot size (8,500 vs 8,750 sqft)
    $1,800,690
  • 1411 Maple Ave, Wilmette, IL 60091
    3,158 sqft | $570/sqft | built 2001 | Similar size (3,158 vs 3,206 sqft); Similar age (2001 vs 2006); Similar lot size (8,550 vs 8,750 sqft)
    $1,800,010
  • 600 20th St, Wilmette, IL 60091
    3,293 sqft | $451/sqft | built 2007 | Similar size (3,293 vs 3,206 sqft); Similar age (2007 vs 2006); Similar lot size (8,850 vs 8,750 sqft)
    $1,483,650

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

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$1,676,200$00.0%
2025$1,676,200+$316,190+23.2%
2024$1,360,010——
2-year total+$316,190+23.2%