Cook County Value

1045 Ash St, Winnetka, IL 60093

3 bed / 1 bath, 1,527 sqft, built 1909, in New Trier. Assessor market value for 2026: $780,010.

Cook County account 05201180210000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$780,010
Similar homes$832,673
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$780,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,527 sqft
$511 per sqft
Year built
1909
Average quality

What we found

Similar homes' assessments

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $506.85/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $336,640. Counting your land in place of theirs where theirs is less, they support a value of $832,673.

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 $780,010 in 2025 to $780,010 in 2026.
  • Assessor market value per square footThe current public record shows about $511 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

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

  • 989 Spruce St, Winnetka, IL 60093
    1,624 sqft | $523/sqft | built 1908 | 6% larger (1,624 vs 1,527 sqft); Similar age (1908 vs 1909); Similar lot size (9,350 vs 10,358 sqft)
    $850,010
  • 879 Willow Rd, Winnetka, IL 60093
    1,509 sqft | $457/sqft | built 1903 | Similar size (1,509 vs 1,527 sqft); Similar lot size (9,350 vs 10,358 sqft); Same quality (Average)
    $690,000
  • 962 Pine St, Winnetka, IL 60093
    1,387 sqft | $507/sqft | built 1912 | 9% smaller (1,387 vs 1,527 sqft); Similar age (1912 vs 1909); Similar lot size (9,600 vs 10,358 sqft)
    $703,000
  • 425 Provident Ave, Winnetka, IL 60093
    1,560 sqft | $494/sqft | built 1908 | Similar size (1,560 vs 1,527 sqft); Similar age (1908 vs 1909); Same quality (Average)
    $770,000
  • 913 Cherry St, Winnetka, IL 60093
    1,396 sqft | $573/sqft | built 1903 | 9% smaller (1,396 vs 1,527 sqft); Similar lot size (9,350 vs 10,358 sqft); Same quality (Average)
    $800,010

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

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$780,010$00.0%
2025$780,010+$110,000+16.4%
2024$670,010$00.0%
2023$670,010$00.0%
2022$670,010+$82,230+14.0%
2021$587,780$00.0%
2020$587,780——
6-year total+$192,230+32.7%