Cook County Value

770 Rosewood Ave, Winnetka, IL 60093

4 bed / 2 bath, 2,244 sqft, built 1914, in New Trier. Assessor market value for 2026: $1,111,370.

Cook County account 05173090170000

Assessor market value
$1,111,370
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,244 sqft
$495 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 7.4% from $1,200,000 in 2025 to $1,111,370 in 2026.
  • Assessor market value per square footThe current public record shows about $495 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.

  • 781 Walden Rd, Winnetka, IL 60093
    2,291 sqft | $476/sqft | built 1919 | Similar size (2,291 vs 2,244 sqft); Similar age (1919 vs 1914); Similar lot size (11,362 vs 11,250 sqft)
    $1,090,520
  • 164 Woodland Ave, Winnetka, IL 60093
    2,214 sqft | $493/sqft | built 1920 | Similar size (2,214 vs 2,244 sqft); Similar lot size (10,803 vs 11,250 sqft); Same quality (Average)
    $1,091,470
  • 860 Burr Ave, Winnetka, IL 60093
    2,348 sqft | $481/sqft | built 1916 | Similar size (2,348 vs 2,244 sqft); Similar age (1916 vs 1914); Similar lot size (10,400 vs 11,250 sqft)
    $1,128,900
  • 174 Woodland Ave, Winnetka, IL 60093
    2,283 sqft | $530/sqft | built 1924 | Similar size (2,283 vs 2,244 sqft); Similar lot size (10,720 vs 11,250 sqft); Same quality (Average)
    $1,210,000
  • 255 Poplar St, Winnetka, IL 60093
    2,314 sqft | $500/sqft | built 1921 | Similar size (2,314 vs 2,244 sqft); Similar lot size (10,230 vs 11,250 sqft); Same quality (Average)
    $1,156,220

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 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$1,111,370−$88,630−7.4%
2025$1,200,000+$313,080+35.3%
2024$886,920−$43,080−4.6%
2023$930,000$00.0%
2022$930,000+$338,520+57.2%
2021$591,480+$200.0%
2020$591,460——
6-year total+$519,910+87.9%