Cook County Value

517 Madison Ave, Glencoe, IL 60022

4 bed / 3 bath, 4,266 sqft, built 2000, in New Trier. Assessor market value for 2026: $1,037,460.

Cook County account 05074110170000

Assessor market value
$1,037,460
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,266 sqft
$243 per sqft
Year built
2000
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 4.6% from $1,087,880 in 2025 to $1,037,460 in 2026.
  • Assessor market value per square footThe current public record shows about $243 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 797 residential records in the same neighborhood, the average assessor market value is about $418 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.3% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 464 Washington Ave, Glencoe, IL 60022
    4,292 sqft | $226/sqft | built 1999 | Similar size (4,292 vs 4,266 sqft); Similar age (1999 vs 2000); Similar lot size (9,150 vs 9,100 sqft)
    $969,530
  • 479 Adams Ave, Glencoe, IL 60022
    4,310 sqft | $360/sqft | built 1992 | Similar size (4,310 vs 4,266 sqft); Similar lot size (9,150 vs 9,100 sqft); Same quality (Average)
    $1,550,000
  • 465 Drexel Ave, Glencoe, IL 60022
    4,365 sqft | $369/sqft | built 1995 | Similar size (4,365 vs 4,266 sqft); Similar age (1995 vs 2000); Similar lot size (8,742 vs 9,100 sqft)
    $1,610,000
  • 1414 Asbury Ave, Winnetka, IL 60093
    4,280 sqft | $236/sqft | built 2005 | Similar size (4,280 vs 4,266 sqft); Similar age (2005 vs 2000); Lot 13% smaller (7,950 vs 9,100 sqft)
    $1,010,120
  • 1347 Scott Ave, Glencoe, IL 60022
    4,024 sqft | $426/sqft | built 2004 | 6% smaller (4,024 vs 4,266 sqft); Similar age (2004 vs 2000); Lot 10% smaller (8,175 vs 9,100 sqft)
    $1,712,550

Recent comparable sales

Sales selected by similarity to the subject property.

  • 486 Jefferson Ave, Glencoe, IL 60022
    3,829 sqft | $622/sqft | built 1994 | 10% size difference (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 | 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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 4.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,037,460−$50,420−4.6%
2025$1,087,880+$319,450+41.6%
2024$768,430−$109,070−12.4%
2023$877,500$00.0%
2022$877,500+$223,110+34.1%
2021$654,390+$100.0%
2020$654,380——
6-year total+$383,080+58.5%