Cook County Value

259 Mary St, Glencoe, IL 60022

4 bed / 4 bath, 3,852 sqft, built 2000, in New Trier. Assessor market value for 2026: $1,873,130.

Cook County account 05083170240000

Assessor market value
$1,873,130
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,852 sqft
$486 per sqft
Year built
2000

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 6.3% from $2,000,000 in 2025 to $1,873,130 in 2026.
  • Assessor market value per square footThe current public record shows about $486 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.

  • 250 Mary St, Glencoe, IL 60022
    3,664 sqft | $505/sqft | built 2000 | Similar size (3,664 vs 3,852 sqft); Built same year (2000); Similar lot size (11,712 vs 12,360 sqft)
    $1,850,000
  • 232 Mary St, Glencoe, IL 60022
    3,925 sqft | $509/sqft | built 2001 | Similar size (3,925 vs 3,852 sqft); Similar age (2001 vs 2000); Lot 14% larger (14,096 vs 12,360 sqft)
    $1,997,540
  • 165 Lapier St, Glencoe, IL 60022
    3,916 sqft | $659/sqft | built 2002 | Similar size (3,916 vs 3,852 sqft); Similar age (2002 vs 2000); Same neighborhood
    $2,580,000
  • 266 Harbor St, Glencoe, IL 60022
    3,357 sqft | $519/sqft | built 2003 | 13% smaller (3,357 vs 3,852 sqft); Similar age (2003 vs 2000); Similar lot size (11,340 vs 12,360 sqft)
    $1,740,810
  • 250 Park Ave, Glencoe, IL 60022
    4,105 sqft | $570/sqft | built 2010 | 7% larger (4,105 vs 3,852 sqft); Same neighborhood
    $2,340,110

Recent comparable sales

Sales selected by similarity to the subject property.

  • 486 Jefferson Ave, Glencoe, IL 60022
    3,829 sqft | $622/sqft | built 1994 | Similar size (3,829 sqft); Moderate age difference (6 years older); Within 1 bedroom (3 vs 4)
    $2,380,000
  • 956 Oak Dr, Glencoe, IL 60022
    3,504 sqft | $756/sqft | built 2009 | 9% size difference (3,504 sqft); Moderate age difference (9 years newer); Within 1 bedroom (5 vs 4)
    $2,650,000

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$1,873,130−$126,870−6.3%
2025$2,000,000+$570,000+39.9%
2024$1,430,000$00.0%
2023$1,430,000$00.0%
2022$1,430,000+$216,350+17.8%
2021$1,213,650$00.0%
2020$1,213,650——
6-year total+$659,480+54.3%