Cook County Value

129 6th St, Wilmette, IL 60091

5 bed / 4 bath, 3,224 sqft, built 2021, in New Trier. Assessor market value for 2026: $2,200,010.

Cook County account 05344110160000

Assessor market value
$2,200,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,224 sqft
$682 per sqft
Year built
2021
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 $2,200,010 in 2025 to $2,200,010 in 2026.
  • Assessor market value per square footThe current public record shows about $682 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.

  • 707 Harvard St, Wilmette, IL 60091
    3,185 sqft | $518/sqft | built 2018 | Similar size (3,185 vs 3,224 sqft); Similar age (2018 vs 2021); Similar lot size (7,875 vs 7,750 sqft)
    $1,650,000
  • 1517 Highland Ave, Wilmette, IL 60091
    3,488 sqft | $545/sqft | built 2022 | 8% larger (3,488 vs 3,224 sqft); Similar age (2022 vs 2021); Similar lot size (7,800 vs 7,750 sqft)
    $1,900,000
  • 1009 Oakwood Ave, Wilmette, IL 60091
    3,211 sqft | $607/sqft | built 2016 | Similar size (3,211 vs 3,224 sqft); Similar age (2016 vs 2021); Similar lot size (7,250 vs 7,750 sqft)
    $1,950,010
  • 1630 Highland Ave, Wilmette, IL 60091
    3,187 sqft | $502/sqft | built 2011 | Similar size (3,187 vs 3,224 sqft); Similar lot size (7,750 vs 7,750 sqft); Same quality (Average)
    $1,600,300
  • 1518 Wilmette Ave, Wilmette, IL 60091
    3,362 sqft | $537/sqft | built 2018 | Similar size (3,362 vs 3,224 sqft); Similar age (2018 vs 2021); Similar lot size (7,800 vs 7,750 sqft)
    $1,804,760

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$2,200,010$00.0%
2025$2,200,010+$1,000,550+83.4%
2024$1,199,460+$972,150+427.7%
2020$227,310——
6-year total+$1,972,700+867.8%