Cook County Value

235 Mary St, Glencoe, IL 60022

5 bed / 4 bath, 4,324 sqft, built 1997, in New Trier. Assessor market value for 2026: $2,039,110.

Cook County account 05083170060000

Assessor market value
$2,039,110
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,324 sqft
$472 per sqft
Year built
1997
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 7.4% from $2,202,560 in 2025 to $2,039,110 in 2026.
  • Assessor market value per square footThe current public record shows about $472 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 241 Walden Rd, Glencoe, IL 60022
    4,321 sqft | $555/sqft | built 2001 | Similar size (4,321 vs 4,324 sqft); Similar age (2001 vs 1997); Similar lot size (15,504 vs 15,000 sqft)
    $2,400,000
  • 133 Maple Hill Rd, Glencoe, IL 60022
    4,554 sqft | $447/sqft | built 2000 | 5% larger (4,554 vs 4,324 sqft); Similar age (2000 vs 1997); Similar lot size (15,030 vs 15,000 sqft)
    $2,036,580
  • 144 Lapier St, Glencoe, IL 60022
    4,188 sqft | $506/sqft | built 1997 | Similar size (4,188 vs 4,324 sqft); Built same year (1997); Similar lot size (16,008 vs 15,000 sqft)
    $2,120,000
  • 123 Timber Ln, Glencoe, IL 60022
    4,523 sqft | $480/sqft | built 1997 | Similar size (4,523 vs 4,324 sqft); Built same year (1997); Similar lot size (16,245 vs 15,000 sqft)
    $2,170,000
  • 171 Wentworth Ave, Glencoe, IL 60022
    4,118 sqft | $578/sqft | built 2000 | Similar size (4,118 vs 4,324 sqft); Similar age (2000 vs 1997); Similar lot size (14,720 vs 15,000 sqft)
    $2,380,000

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

Down 7.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,039,110−$163,450−7.4%
2025$2,202,560+$632,000+40.2%
2024$1,570,560−$70,550−4.3%
2023$1,641,110−$248,890−13.2%
2022$1,890,000+$605,550+47.1%
2021$1,284,450−$60,070−4.5%
2020$1,344,520——
6-year total+$694,590+51.7%