Cook County Value

187 Mary St, Glencoe, IL 60022

4 bed / 2 bath, 2,117 sqft, built 1950, in New Trier. Assessor market value for 2026: $946,050.

Cook County account 05083180150000

Assessor market value
$946,050
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,117 sqft
$447 per sqft
Year built
1950
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 10.0% from $1,051,510 in 2025 to $946,050 in 2026.
  • Assessor market value per square footThe current public record shows about $447 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.

  • 260 Scott Ave, Glencoe, IL 60022
    2,160 sqft | $505/sqft | built 1953 | Similar size (2,160 vs 2,117 sqft); Similar age (1953 vs 1950); Lot 14% smaller (13,971 vs 16,170 sqft)
    $1,090,000
  • 231 Wentworth Ave, Glencoe, IL 60022
    1,924 sqft | $506/sqft | built 1953 | 9% smaller (1,924 vs 2,117 sqft); Similar age (1953 vs 1950); Similar lot size (16,600 vs 16,170 sqft)
    $974,420
  • 271 South Ave, Glencoe, IL 60022
    2,145 sqft | $443/sqft | built 1949 | Similar size (2,145 vs 2,117 sqft); Similar age (1949 vs 1950); Lot 19% smaller (13,072 vs 16,170 sqft)
    $950,000
  • 269 South Ave, Glencoe, IL 60022
    2,047 sqft | $482/sqft | built 1949 | Similar size (2,047 vs 2,117 sqft); Similar age (1949 vs 1950); Lot 20% smaller (12,971 vs 16,170 sqft)
    $986,110
  • 222 Woodlawn Ave, Winnetka, IL 60093
    1,914 sqft | $549/sqft | built 1960 | 10% smaller (1,914 vs 2,117 sqft); Similar lot size (17,264 vs 16,170 sqft); Same quality (Average)
    $1,050,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 888 Oak Dr, Glencoe, IL 60022
    2,139 sqft | $568/sqft | built 1954 | Similar size (2,139 sqft); Moderate age difference (4 years newer); Same beds (4)
    $1,215,000
  • 265 Beach Rd, Glencoe, IL 60022
    2,368 sqft | $507/sqft | built 1954 | 12% size difference (2,368 sqft); Moderate age difference (4 years newer); Within 1 bedroom (3 vs 4)
    $1,200,000
  • 451 Jackson Ave, Glencoe, IL 60022
    2,440 sqft | $582/sqft | built 1942 | Moderate age difference (8 years older); Same beds (4)
    $1,421,000
  • 588 Grove St, Glencoe, IL 60022
    1,856 sqft | $555/sqft | built 1942 | 12% size difference (1,856 sqft); Moderate age difference (8 years older); Same beds (4)
    $1,030,000

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 10.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$946,050−$105,460−10.0%
2025$1,051,510+$226,230+27.4%
2024$825,280−$24,720−2.9%
2023$850,000$00.0%
2022$850,000+$277,070+48.4%
2021$572,930+$100.0%
2020$572,920——
6-year total+$373,130+65.1%