Cook County Value

597 Provident Ave, Winnetka, IL 60093

3 bed / 1 bath, 1,096 sqft, built 1914, in New Trier. Assessor market value for 2026: $644,930.

Cook County account 05202010050000

Assessor market value
$644,930
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,096 sqft
$588 per sqft
Year built
1914
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 7.9% from $700,010 in 2025 to $644,930 in 2026.
  • Assessor market value per square footThe current public record shows about $588 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.

  • 1083 Oak St, Winnetka, IL 60093
    1,134 sqft | $626/sqft | built 1915 | Similar size (1,134 vs 1,096 sqft); Similar age (1915 vs 1914); Similar lot size (8,850 vs 8,250 sqft)
    $710,010
  • 546 Provident Ave, Winnetka, IL 60093
    1,104 sqft | $580/sqft | built 1912 | Similar size (1,104 vs 1,096 sqft); Similar age (1912 vs 1914); Lot 13% smaller (7,200 vs 8,250 sqft)
    $640,000
  • 474 Chestnut St, Winnetka, IL 60093
    1,072 sqft | $597/sqft | built 1928 | Similar size (1,072 vs 1,096 sqft); Similar lot size (7,520 vs 8,250 sqft); Same quality (Average)
    $640,000
  • 898 Elm St, Winnetka, IL 60093
    1,120 sqft | $554/sqft | built 1920 | Similar size (1,120 vs 1,096 sqft); Same quality (Average); Same bed/bath (3/1)
    $620,010
  • 1107 Oak St, Winnetka, IL 60093
    1,104 sqft | $556/sqft | built 1909 | Similar size (1,104 vs 1,096 sqft); Similar age (1909 vs 1914); Same quality (Average)
    $613,820

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 7.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$644,930−$55,080−7.9%
2025$700,010+$21,250+3.1%
2024$678,760−$77,600−10.3%
2023$756,360−$103,650−12.1%
2022$860,010+$417,770+94.5%
2021$442,240$00.0%
2020$442,240——
6-year total+$202,690+45.8%