Cook County Value

1221 Maple Ave, Wilmette, IL 60091

4 bed / 3 bath, 3,112 sqft, built 1911, in New Trier. Assessor market value for 2026: $1,325,690.

Cook County account 05343050090000

Assessor market value
$1,325,690
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,112 sqft
$426 per sqft
Year built
1911
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 7.4% from $1,431,780 in 2025 to $1,325,690 in 2026.
  • Assessor market value per square footThe current public record shows about $426 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.

  • 222 10th St, Wilmette, IL 60091
    3,214 sqft | $455/sqft | built 1911 | Similar size (3,214 vs 3,112 sqft); Built same year (1911); Similar lot size (8,500 vs 8,550 sqft)
    $1,462,220
  • 1240 Maple Ave, Wilmette, IL 60091
    3,246 sqft | $401/sqft | built 1913 | Similar size (3,246 vs 3,112 sqft); Similar age (1913 vs 1911); Similar lot size (8,350 vs 8,550 sqft)
    $1,300,360
  • 210 6th St, Wilmette, IL 60091
    3,008 sqft | $449/sqft | built 1908 | Similar size (3,008 vs 3,112 sqft); Similar age (1908 vs 1911); Similar lot size (8,500 vs 8,550 sqft)
    $1,350,000
  • 215 9th St, Wilmette, IL 60091
    2,895 sqft | $532/sqft | built 1911 | 7% smaller (2,895 vs 3,112 sqft); Built same year (1911); Similar lot size (8,500 vs 8,550 sqft)
    $1,540,000
  • 108 Woodbine Ave, Wilmette, IL 60091
    3,153 sqft | $471/sqft | built 1912 | Similar size (3,153 vs 3,112 sqft); Similar age (1912 vs 1911); Similar lot size (8,700 vs 8,550 sqft)
    $1,485,430

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 7.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,325,690−$106,090−7.4%
2025$1,431,780+$364,650+34.2%
2024$1,067,130−$69,090−6.1%
2023$1,136,220−$75,150−6.2%
2022$1,211,370+$447,060+58.5%
2021$764,310−$44,920−5.6%
2020$809,230——
6-year total+$516,460+63.8%