Cook County Value

501 Maple Ave, Wilmette, IL 60091

4 bed / 2 bath, 2,419 sqft, built 1940, in New Trier. Assessor market value for 2026: $1,100,560.

Cook County account 05344070080000

Assessor market value
$1,100,560
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,419 sqft
$455 per sqft
Year built
1940
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 60091 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 13.3% from $1,270,000 in 2025 to $1,100,560 in 2026.
  • Assessor market value per square footThe current public record shows about $455 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 60091.
  • Neighborhood value signalAmong 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 1635 Central Ave, Wilmette, IL 60091
    2,339 sqft | $445/sqft | built 1945 | Similar size (2,339 vs 2,419 sqft); Similar age (1945 vs 1940); Similar lot size (7,450 vs 7,500 sqft)
    $1,040,010
  • 1639 Central Ave, Wilmette, IL 60091
    2,292 sqft | $449/sqft | built 1941 | 5% smaller (2,292 vs 2,419 sqft); Similar age (1941 vs 1940); Similar lot size (7,450 vs 7,500 sqft)
    $1,030,010
  • 1768 Washington Ave, Wilmette, IL 60091
    2,432 sqft | $435/sqft | built 1925 | Similar size (2,432 vs 2,419 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Average)
    $1,058,230
  • 229 Maple Ave, Wilmette, IL 60091
    2,392 sqft | $426/sqft | built 1938 | Similar size (2,392 vs 2,419 sqft); Similar age (1938 vs 1940); Similar lot size (6,875 vs 7,500 sqft)
    $1,018,330
  • 2026 Washington Ave, Wilmette, IL 60091
    2,477 sqft | $432/sqft | built 1934 | Similar size (2,477 vs 2,419 sqft); Similar lot size (6,950 vs 7,500 sqft); Same quality (Average)
    $1,070,010

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 13.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,100,560−$169,440−13.3%
2025$1,270,000+$417,250+48.9%
2024$852,750$00.0%
2023$852,750$00.0%
2022$852,750+$230,320+37.0%
2021$622,430−$37,330−5.7%
2020$659,760——
6-year total+$440,800+66.8%