Cook County Value

1136 Mayfair Ln, Glencoe, IL 60022

5 bed / 2 bath, 3,112 sqft, built 1948, in New Trier. Assessor market value for 2026: $1,246,860.

Cook County account 04014070100000

Assessor market value
$1,246,860
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,112 sqft
$401 per sqft
Year built
1948
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 6.3% from $1,330,000 in 2025 to $1,246,860 in 2026.
  • Assessor market value per square footThe current public record shows about $401 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 491 residential records in the same neighborhood, the average assessor market value is about $422 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.6% on average.

Comparable assessments

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

  • 965 Eastwood Rd, Glencoe, IL 60022
    3,061 sqft | $401/sqft | built 1952 | Similar size (3,061 vs 3,112 sqft); Similar age (1952 vs 1948); Lot 11% smaller (15,818 vs 17,856 sqft)
    $1,227,780
  • 535 Dundee Rd Hse, Glencoe, IL 60022
    3,042 sqft | $410/sqft | built 1956 | Similar size (3,042 vs 3,112 sqft); Similar lot size (16,368 vs 17,856 sqft); Same quality (Average)
    $1,245,710
  • 578 Westley Rd, Glencoe, IL 60022
    3,314 sqft | $393/sqft | built 1954 | 6% larger (3,314 vs 3,112 sqft); Similar lot size (17,100 vs 17,856 sqft); Same quality (Average)
    $1,300,870
  • 1015 Eastwood Rd, Glencoe, IL 60022
    3,246 sqft | $400/sqft | built 1951 | Similar size (3,246 vs 3,112 sqft); Similar age (1951 vs 1948); Similar lot size (17,100 vs 17,856 sqft)
    $1,299,250
  • 998 Old Elm Pl, Glencoe, IL 60022
    3,262 sqft | $426/sqft | built 1942 | Similar size (3,262 vs 3,112 sqft); Similar lot size (16,210 vs 17,856 sqft); Same quality (Average)
    $1,390,400

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 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$1,246,860−$83,140−6.3%
2025$1,330,000+$439,990+49.4%
2024$890,010$00.0%
2023$890,010−$382,730−30.1%
2022$1,272,740+$542,780+74.4%
2021$729,960−$38,930−5.1%
2020$768,890——
6-year total+$477,970+62.2%