Cook County Value

1202 Chestnut Ave, Wilmette, IL 60091

6 bed / 6 bath, 7,141 sqft, built 2019, in New Trier. Assessor market value for 2026: $4,233,720.

Cook County account 05273000590000

Assessor market value
$4,233,720
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
7,141 sqft
$593 per sqft
Year built
2019
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 6.3% from $4,520,000 in 2025 to $4,233,720 in 2026.
  • Assessor market value per square footThe current public record shows about $593 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 490 residential records in the same neighborhood, the average assessor market value is about $720 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.6% on average.

Comparable assessments

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

  • 300 Warwick Rd Kenilworth, IL 60043
    6,653 sqft | $541/sqft | built 2022 | 7% smaller (6,653 vs 7,141 sqft); Similar age (2022 vs 2019); Similar lot size (24,125 vs 26,390 sqft)
    $3,602,150
  • 1330 Chestnut Ave, Wilmette, IL 60091
    7,806 sqft | $635/sqft | built 2015 | 9% larger (7,806 vs 7,141 sqft); Similar age (2015 vs 2019); Similar lot size (24,070 vs 26,390 sqft)
    $4,955,000
  • 315 Essex Rd Kenilworth, IL 60043
    6,899 sqft | $568/sqft | built 2011 | Similar size (6,899 vs 7,141 sqft); Same quality (Average); Same bed/bath (6/6)
    $3,918,360
  • 531 Essex Rd Kenilworth, IL 60043
    6,284 sqft | $623/sqft | built 2013 | 12% smaller (6,284 vs 7,141 sqft); Lot 12% smaller (23,160 vs 26,390 sqft); Same quality (Average)
    $3,916,160
  • 134 Melrose Ave Kenilworth, IL 60043
    7,927 sqft | $478/sqft | built 2012 | 11% larger (7,927 vs 7,141 sqft); Similar lot size (24,654 vs 26,390 sqft); Same quality (Average)
    $3,790,000

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 6.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$4,233,720−$286,280−6.3%
2025$4,520,000+$883,180+24.3%
2024$3,636,820$00.0%
2023$3,636,820$00.0%
2022$3,636,820−$161,840−4.3%
2021$3,798,660+$167,340+4.6%
2020$3,631,320——
6-year total+$602,400+16.6%