Cook County Value

825 Ouilmette Ln, Wilmette, IL 60091

5 bed / 4 bath, 3,611 sqft, built 2004, in New Trier. Assessor market value for 2026: $1,666,160.

Cook County account 05331000670000

Assessor market value
$1,666,160
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,611 sqft
$461 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 stayed about the same, from $1,666,160 in 2025 to $1,666,160 in 2026.
  • Assessor market value per square footThe current public record shows about $461 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.

  • 2238 Schiller Ave, Wilmette, IL 60091
    3,662 sqft | $386/sqft | built 2007 | Similar size (3,662 vs 3,611 sqft); Similar age (2007 vs 2004); Similar lot size (10,830 vs 10,712 sqft)
    $1,414,550
  • 2233 Birchwood Ave, Wilmette, IL 60091
    3,741 sqft | $398/sqft | built 1997 | Similar size (3,741 vs 3,611 sqft); Similar lot size (10,659 vs 10,712 sqft); Same quality (Average)
    $1,490,000
  • 2233 Schiller Ave, Wilmette, IL 60091
    3,727 sqft | $451/sqft | built 2009 | Similar size (3,727 vs 3,611 sqft); Similar age (2009 vs 2004); Similar lot size (10,659 vs 10,712 sqft)
    $1,680,000
  • 2214 Birchwood Ave, Wilmette, IL 60091
    3,598 sqft | $436/sqft | built 2002 | Similar size (3,598 vs 3,611 sqft); Similar age (2002 vs 2004); Similar lot size (9,894 vs 10,712 sqft)
    $1,570,010
  • 723 10th St, Wilmette, IL 60091
    3,491 sqft | $537/sqft | built 2006 | Similar size (3,491 vs 3,611 sqft); Similar age (2006 vs 2004); Similar lot size (10,750 vs 10,712 sqft)
    $1,875,000

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

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$1,666,160$00.0%
2025$1,666,160+$246,160+17.3%
2024$1,420,000$00.0%
2023$1,420,000$00.0%
2022$1,420,000+$173,900+14.0%
2021$1,246,100$00.0%
2020$1,246,100——
6-year total+$420,060+33.7%