Cook County Value

274 Mary St, Glencoe, IL 60022

3 bed / 3 bath, 2,309 sqft, built 1991, in New Trier. Assessor market value for 2026: $1,185,780.

Cook County account 05083190020000

In line with similar homes

4 similar homes nearby support a value at or above your county value.

Assessor market value$1,185,780
Similar homes$1,230,997
No gap: similar homes are at or above the county value · bars start at $0

How sure: Medium · 4 similar homes · public records only

Assessor market value
$1,185,780
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,309 sqft
$514 per sqft
Year built
1991
Average quality

What we found

Similar homes' assessments

Weak

1 of 4 similar homes is assessed lower per square foot. Their similarity-weighted average is $515.78/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $216,000. Counting your land in place of theirs where theirs is less, they support a value of $1,230,997.

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 5.7% from $1,257,360 in 2025 to $1,185,780 in 2026.
  • Assessor market value per square footThe current public record shows about $514 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.

  • 238 Maple Hill Rd, Glencoe, IL 60022
    2,544 sqft | $452/sqft | built 1978 | 10% larger (2,544 vs 2,309 sqft); Similar lot size (10,742 vs 10,800 sqft); Same quality (Average)
    $1,150,000
  • 226 Franklin Rd, Glencoe, IL 60022
    2,883 sqft | $520/sqft | built 1989 | Similar age (1989 vs 1991); Similar lot size (11,466 vs 10,800 sqft); Same quality (Average)
    $1,500,000
  • 278 Mary St, Glencoe, IL 60022
    2,900 sqft | $552/sqft | built 2006 | Similar lot size (10,608 vs 10,800 sqft); Same quality (Average); Same neighborhood
    $1,600,000
  • 220 Wentworth Ave, Glencoe, IL 60022
    2,978 sqft | $554/sqft | built 2001 | Lot 10% smaller (9,688 vs 10,800 sqft); Same quality (Average); Same neighborhood
    $1,650,000

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 5.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,185,780−$71,580−5.7%
2025$1,257,360+$469,860+59.7%
2024$787,500——
2-year total+$398,280+50.6%