Cook County Value

620 Spruce St, Winnetka, IL 60093

7 bed / 3 bath, 4,395 sqft, built 2025, in New Trier Assessor market value for 2026: $3,815,750.

Cook County account 05211060010000

Assessor market value
$3,815,750
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,395 sqft
$868 per sqft
Year built
2025
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 increased 37.2% from $2,780,770 in 2025 to $3,815,750 in 2026.
  • Assessor market value per square footThe current public record shows about $868 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.

  • 844 Prospect Ave, Winnetka, IL 60093
    4,480 sqft | $725/sqft | built 2025 | Similar size (4,480 vs 4,395 sqft); Built same year (2025); Similar lot size (15,000 vs 15,334 sqft)
    $3,250,000
  • 82 Essex Rd, Winnetka, IL 60093
    4,609 sqft | $759/sqft | built 2023 | Similar size (4,609 vs 4,395 sqft); Similar age (2023 vs 2025); Similar lot size (15,300 vs 15,334 sqft)
    $3,499,900
  • 891 Prospect Ave, Winnetka, IL 60093
    4,618 sqft | $482/sqft | built 2024 | 5% larger (4,618 vs 4,395 sqft); Similar age (2024 vs 2025); Similar lot size (15,000 vs 15,334 sqft)
    $2,227,800
  • 517 Cherry St, Winnetka, IL 60093
    4,496 sqft | $537/sqft | built 2012 | Similar size (4,496 vs 4,395 sqft); Similar lot size (14,960 vs 15,334 sqft); Same quality (Average)
    $2,414,080
  • 855 N Gordon Ter, Winnetka, IL 60093
    4,205 sqft | $659/sqft | built 2018 | Similar size (4,205 vs 4,395 sqft); Similar lot size (14,489 vs 15,334 sqft); Same quality (Average)
    $2,769,130

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 37.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$3,815,750+$1,034,980+37.2%
2025$2,780,770+$2,069,120+290.7%
2024$711,650−$658,350−48.1%
2023$1,370,000$00.0%
2022$1,370,000+$380,060+38.4%
2021$989,940+$200.0%
2020$989,920——
6-year total+$2,825,830+285.5%