Cook County Value

522 Maple Ave, Wilmette, IL 60091

5 bed / 3 bath, 3,127 sqft, built 1942, in New Trier. Assessor market value for 2026: $1,324,410.

Cook County account 05344040090000

Assessor market value
$1,324,410
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,127 sqft
$424 per sqft
Year built
1942
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 11.1% from $1,490,000 in 2025 to $1,324,410 in 2026.
  • Assessor market value per square footThe current public record shows about $424 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 807 residential records in the same neighborhood, the average assessor market value is about $481 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.6% on average.

Comparable assessments

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

  • 420 Maple Ave, Wilmette, IL 60091
    3,212 sqft | $429/sqft | built 1952 | Similar size (3,212 vs 3,127 sqft); Lot 10% larger (9,900 vs 9,000 sqft); Same quality (Average)
    $1,378,180
  • 146 Laurel Ave, Wilmette, IL 60091
    3,216 sqft | $641/sqft | built 1936 | Similar size (3,216 vs 3,127 sqft); Lot 11% smaller (8,000 vs 9,000 sqft); Same quality (Average)
    $2,062,720
  • 342 Greenleaf Ave, Wilmette, IL 60091
    2,995 sqft | $447/sqft | built 1947 | Similar size (2,995 vs 3,127 sqft); Similar age (1947 vs 1942); Lot 12% smaller (7,912 vs 9,000 sqft)
    $1,338,630
  • 219 Linden Ave, Wilmette, IL 60091
    2,922 sqft | $431/sqft | built 1940 | 7% smaller (2,922 vs 3,127 sqft); Similar age (1940 vs 1942); Lot 11% smaller (8,000 vs 9,000 sqft)
    $1,259,320
  • 610 Laurel Ave, Wilmette, IL 60091
    3,049 sqft | $416/sqft | built 1928 | Similar size (3,049 vs 3,127 sqft); Lot 11% smaller (8,000 vs 9,000 sqft); Same quality (Average)
    $1,269,220

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 11.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,324,410−$165,590−11.1%
2025$1,490,000+$412,910+38.3%
2024$1,077,090−$33,150−3.0%
2023$1,110,240−$89,760−7.5%
2022$1,200,000+$377,460+45.9%
2021$822,540$00.0%
2020$822,540——
6-year total+$501,870+61.0%