Cook County Value

420 Maple Ave, Winnetka, IL 60093

4 bed / 2 bath, 1,494 sqft, built 1922, in New Trier. Assessor market value for 2026: $810,000.

Cook County account 05211210130000

Assessor market value
$810,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,494 sqft
$542 per sqft
Year built
1922
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 60093 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 stayed about the same, from $810,000 in 2025 to $810,000 in 2026.
  • Assessor market value per square footThe current public record shows about $542 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 60093.
  • Neighborhood value signalAmong 1,469 residential records in the same neighborhood, the average assessor market value is about $518 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.0% on average.

Comparable assessments

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

  • 1228 Asbury Ave, Winnetka, IL 60093
    1,496 sqft | $501/sqft | built 1923 | Similar size (1,496 vs 1,494 sqft); Similar age (1923 vs 1922); Lot 13% smaller (8,000 vs 9,201 sqft)
    $749,920
  • 489 Willow Rd, Winnetka, IL 60093
    1,439 sqft | $548/sqft | built 1913 | Similar size (1,439 vs 1,494 sqft); Similar lot size (9,300 vs 9,201 sqft); Same quality (Average)
    $788,470
  • 220 Myrtle St, Winnetka, IL 60093
    1,477 sqft | $546/sqft | built 1918 | Similar size (1,477 vs 1,494 sqft); Similar age (1918 vs 1922); Lot 12% smaller (8,100 vs 9,201 sqft)
    $806,840
  • 439 Maple Ave, Winnetka, IL 60093
    1,551 sqft | $503/sqft | built 1922 | Similar size (1,551 vs 1,494 sqft); Built same year (1922); Similar lot size (8,790 vs 9,201 sqft)
    $780,020
  • 611 Orchard Ln, Winnetka, IL 60093
    1,627 sqft | $535/sqft | built 1922 | 9% larger (1,627 vs 1,494 sqft); Built same year (1922); Lot 10% smaller (8,250 vs 9,201 sqft)
    $870,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 932 Ash St, Winnetka, IL 60093
    1,708 sqft | $732/sqft | built 1922 | 14% size difference (1,708 sqft); Similar age (1922); Within 1 bedroom (3 vs 4)
    $1,250,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$810,000$00.0%
2025$810,000+$100,000+14.1%
2024$710,000$00.0%
2023$710,000$00.0%
2022$710,000+$192,870+37.3%
2021$517,130$00.0%
2020$517,130——
6-year total+$292,870+56.6%