Cook County Value

271 Mary St, Glencoe, IL 60022

4 bed / 4 bath, 3,460 sqft, built 2023, in New Trier Assessor market value for 2026: $2,055,340.

Cook County account 05083170170000

Assessor market value
$2,055,340
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,460 sqft
$594 per sqft
Year built
2023
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 60022 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 5.3% from $2,169,640 in 2025 to $2,055,340 in 2026.
  • Assessor market value per square footThe current public record shows about $594 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 60022.
  • Neighborhood value signalAmong 686 residential records in the same neighborhood, the average assessor market value is about $537 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.7% on average.

Comparable assessments

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

  • 280 Harbor St, Glencoe, IL 60022
    3,594 sqft | $470/sqft | built 2021 | Similar size (3,594 vs 3,460 sqft); Similar age (2021 vs 2023); Similar lot size (11,340 vs 11,250 sqft)
    $1,688,620
  • 179 Harbor St, Glencoe, IL 60022
    3,504 sqft | $550/sqft | built 2016 | Similar size (3,504 vs 3,460 sqft); Similar lot size (10,488 vs 11,250 sqft); Same quality (Average)
    $1,925,670
  • 109 Old Green Bay Rd, Winnetka, IL 60093
    3,740 sqft | $668/sqft | built 2019 | 8% larger (3,740 vs 3,460 sqft); Similar age (2019 vs 2023); Similar lot size (11,500 vs 11,250 sqft)
    $2,500,000
  • 260 Wentworth St, Glencoe, IL 60022
    3,305 sqft | $543/sqft | built 2010 | Similar size (3,305 vs 3,460 sqft); Similar lot size (11,250 vs 11,250 sqft); Same quality (Average)
    $1,795,210
  • 264 Mary St, Glencoe, IL 60022
    3,697 sqft | $614/sqft | built 2012 | 7% larger (3,697 vs 3,460 sqft); Similar lot size (11,184 vs 11,250 sqft); Same quality (Average)
    $2,270,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 5.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,055,340−$114,300−5.3%
2025$2,169,640−$280,360−11.4%
2024$2,450,000+$1,790,000+271.2%
2023$660,000$00.0%
2022$660,000+$143,560+27.8%
2021$516,440+$100.0%
2020$516,430——
6-year total+$1,538,910+298.0%