Cook County Value

2105 Chestnut Ave, Wilmette, IL 60091

5 bed / 4 bath, 3,915 sqft, built 2020, in New Trier. Assessor market value for 2026: $2,207,390.

Cook County account 05283030540000

Assessor market value
$2,207,390
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,915 sqft
$564 per sqft
Year built
2020
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 4.0% from $2,300,000 in 2025 to $2,207,390 in 2026.
  • Assessor market value per square footThe current public record shows about $564 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 1,584 residential records in the same neighborhood, the average assessor market value is about $440 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.9% on average.

Comparable assessments

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

  • 2034 Chestnut Ave, Wilmette, IL 60091
    3,853 sqft | $478/sqft | built 2016 | Similar size (3,853 vs 3,915 sqft); Similar age (2016 vs 2020); Similar lot size (8,750 vs 8,837 sqft)
    $1,843,360
  • 2101 Chestnut Ave, Wilmette, IL 60091
    4,150 sqft | $509/sqft | built 2020 | 6% larger (4,150 vs 3,915 sqft); Built same year (2020); Similar lot size (8,836 vs 8,837 sqft)
    $2,112,900
  • 1507 Forest Ave, Wilmette, IL 60091
    3,984 sqft | $540/sqft | built 2011 | Similar size (3,984 vs 3,915 sqft); Similar lot size (8,100 vs 8,837 sqft); Same quality (Average)
    $2,150,000
  • 1627 Forest Ave, Wilmette, IL 60091
    4,293 sqft | $512/sqft | built 2020 | 10% larger (4,293 vs 3,915 sqft); Built same year (2020); Similar lot size (8,100 vs 8,837 sqft)
    $2,200,000
  • 1106 Ridge Rd, Wilmette, IL 60091
    3,925 sqft | $562/sqft | built 2024 | Similar size (3,925 vs 3,915 sqft); Similar age (2024 vs 2020); Lot 16% smaller (7,393 vs 8,837 sqft)
    $2,206,540

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

Down 4.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,207,390−$92,610−4.0%
2025$2,300,000+$867,930+60.6%
2024$1,432,070−$244,460−14.6%
2023$1,676,530−$51,680−3.0%
2022$1,728,210+$332,870+23.9%
2021$1,395,340+$566,180+68.3%
2020$829,160——
6-year total+$1,378,230+166.2%