Cook County Value

437 Provident Ave, Winnetka, IL 60093

4 bed / 2 bath, 3,030 sqft, built 2002, in New Trier. Assessor market value for 2026: $1,588,420.

Cook County account 05202200030000

Assessor market value
$1,588,420
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,030 sqft
$524 per sqft
Year built
2002
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 decreased 4.3% from $1,660,000 in 2025 to $1,588,420 in 2026.
  • Assessor market value per square footThe current public record shows about $524 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 609 residential records in the same neighborhood, the average assessor market value is about $514 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

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

  • 962 Elm St, Winnetka, IL 60093
    3,024 sqft | $506/sqft | built 2000 | Similar size (3,024 vs 3,030 sqft); Similar age (2000 vs 2002); Similar lot size (8,080 vs 8,319 sqft)
    $1,530,000
  • 377 Provident Ave, Winnetka, IL 60093
    3,029 sqft | $551/sqft | built 2006 | Similar size (3,029 vs 3,030 sqft); Similar age (2006 vs 2002); Similar lot size (8,127 vs 8,319 sqft)
    $1,670,000
  • 846 Cherry St, Winnetka, IL 60093
    2,995 sqft | $558/sqft | built 2004 | Similar size (2,995 vs 3,030 sqft); Similar age (2004 vs 2002); Similar lot size (7,998 vs 8,319 sqft)
    $1,671,480
  • 436 Linden St, Winnetka, IL 60093
    3,150 sqft | $575/sqft | built 2007 | Similar size (3,150 vs 3,030 sqft); Similar age (2007 vs 2002); Similar lot size (8,220 vs 8,319 sqft)
    $1,810,000
  • 887 Spruce St, Winnetka, IL 60093
    3,073 sqft | $578/sqft | built 2012 | Similar size (3,073 vs 3,030 sqft); Similar lot size (8,415 vs 8,319 sqft); Same quality (Average)
    $1,777,720

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: . 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 4.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,588,420−$71,580−4.3%
2025$1,660,000+$340,490+25.8%
2024$1,319,510——
2-year total+$268,910+20.4%