Cook County Value

530 Longwood Ave, Glencoe, IL 60022

5 bed / 4 bath, 4,383 sqft, built 1921, in New Trier. Assessor market value for 2026: $2,000,000.

Cook County account 05081000220000

Assessor market value
$2,000,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,383 sqft
$456 per sqft
Year built
1921
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 5.2% from $2,110,000 in 2025 to $2,000,000 in 2026.
  • Assessor market value per square footThe current public record shows about $456 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 362 residential records in the same neighborhood, the average assessor market value is about $580 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.9% on average.

Comparable assessments

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

  • 150 Park Ave, Glencoe, IL 60022
    4,218 sqft | $488/sqft | built 1923 | Similar size (4,218 vs 4,383 sqft); Similar age (1923 vs 1921); Similar lot size (20,850 vs 21,800 sqft)
    $2,060,100
  • 800 Sheridan Rd, Wilmette, IL 60091
    4,430 sqft | $485/sqft | built 1918 | Similar size (4,430 vs 4,383 sqft); Similar age (1918 vs 1921); Lot 18% smaller (17,888 vs 21,800 sqft)
    $2,150,000
  • 857 Michigan Ave, Wilmette, IL 60091
    4,588 sqft | $475/sqft | built 1910 | Similar size (4,588 vs 4,383 sqft); Lot 19% smaller (17,613 vs 21,800 sqft); Same quality (Average)
    $2,177,410
  • 580 Longwood Ave, Glencoe, IL 60022
    4,343 sqft | $493/sqft | built 1921 | Similar size (4,343 vs 4,383 sqft); Built same year (1921); Same quality (Average)
    $2,140,000
  • 146 Beach Rd, Glencoe, IL 60022
    3,642 sqft | $517/sqft | built 1918 | Similar age (1918 vs 1921); Similar lot size (23,000 vs 21,800 sqft); Same quality (Average)
    $1,884,470

Recent comparable sales

Sales selected by similarity to the subject property.

  • 950 Eastwood Rd, Glencoe, IL 60022
    4,900 sqft | $429/sqft | built 1922 | 12% size difference (4,900 sqft); Similar age (1922); Same beds (5)
    $2,100,000
  • 146 Beach Rd, Glencoe, IL 60022
    3,642 sqft | $645/sqft | built 1918 | Similar age (1918); Same beds (5)
    $2,350,000

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 5.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$2,000,000−$110,000−5.2%
2025$2,110,000+$503,340+31.3%
2024$1,606,660$00.0%
2023$1,606,660$00.0%
2022$1,606,660+$138,230+9.4%
2021$1,468,430$00.0%
2020$1,468,430——
6-year total+$531,570+36.2%