Cook County Value

107 Bertling Ln, Winnetka, IL 60093

5 bed / 2 bath, 2,622 sqft, built 1917, in New Trier. Assessor market value for 2026: $1,170,000.

Cook County account 05214140240000

Assessor market value
$1,170,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,622 sqft
$446 per sqft
Year built
1917
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 stayed about the same, from $1,170,000 in 2025 to $1,170,000 in 2026.
  • Assessor market value per square footThe current public record shows about $446 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.

  • 233 Essex Rd, Winnetka, IL 60093
    2,652 sqft | $504/sqft | built 1915 | Similar size (2,652 vs 2,622 sqft); Similar age (1915 vs 1917); Similar lot size (11,750 vs 11,920 sqft)
    $1,336,150
  • 1005 Westmoor Rd, Winnetka, IL 60093
    2,605 sqft | $477/sqft | built 1914 | Similar size (2,605 vs 2,622 sqft); Similar age (1914 vs 1917); Similar lot size (11,501 vs 11,920 sqft)
    $1,243,120
  • 528 Elder Ln, Winnetka, IL 60093
    2,548 sqft | $502/sqft | built 1920 | Similar size (2,548 vs 2,622 sqft); Similar age (1920 vs 1917); Similar lot size (12,375 vs 11,920 sqft)
    $1,280,010
  • 85 Abbottsford Rd, Winnetka, IL 60093
    2,558 sqft | $507/sqft | built 1921 | Similar size (2,558 vs 2,622 sqft); Similar age (1921 vs 1917); Similar lot size (11,250 vs 11,920 sqft)
    $1,296,620
  • 1125 Gage St, Winnetka, IL 60093
    2,635 sqft | $459/sqft | built 1913 | Similar size (2,635 vs 2,622 sqft); Similar age (1913 vs 1917); Lot 12% larger (13,324 vs 11,920 sqft)
    $1,209,270

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

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$1,170,000$00.0%
2025$1,170,000+$450,000+62.5%
2024$720,000$00.0%
2023$720,000−$90,000−11.1%
2022$810,000−$68,530−7.8%
2021$878,530+$100.0%
2020$878,520——
6-year total+$291,480+33.2%