Cook County Value

1640 Ferndale Ave, Northbrook, IL 60062

4 bed / 1 bath, 1,425 sqft, built 1953, in Northfield. Assessor market value for 2026: $408,470.

Cook County account 04101020160000

Assessor market value
$408,470
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,425 sqft
$287 per sqft
Year built
1953
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 60062 and Northfield assessment pages.

Local guide: Northfield Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Northfield, appeals to the Assessor closed . Board of Review dates for Northfield have not been published yet.

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 14.9% from $480,000 in 2025 to $408,470 in 2026.
  • Assessor market value per square footThe current public record shows about $287 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northfield neighborhood and ZIP 60062.
  • Neighborhood value signalAmong 1,572 residential records in the same neighborhood, the average assessor market value is about $309 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.3% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 602 Gregg Rd, Northbrook, IL 60062
    1,418 sqft | $291/sqft | built 1954 | Similar size (1,418 vs 1,425 sqft); Similar age (1954 vs 1953); Similar lot size (9,151 vs 9,000 sqft)
    $412,170
  • 804 Oakleaf Ter, Northbrook, IL 60062
    1,416 sqft | $297/sqft | built 1951 | Similar size (1,416 vs 1,425 sqft); Similar age (1951 vs 1953); Similar lot size (9,223 vs 9,000 sqft)
    $420,000
  • 1035 Dell Rd, Northbrook, IL 60062
    1,408 sqft | $277/sqft | built 1954 | Similar size (1,408 vs 1,425 sqft); Similar age (1954 vs 1953); Similar lot size (8,846 vs 9,000 sqft)
    $390,010
  • 1957 Redwood Ln, Northbrook, IL 60062
    1,451 sqft | $298/sqft | built 1955 | Similar size (1,451 vs 1,425 sqft); Similar age (1955 vs 1953); Similar lot size (9,236 vs 9,000 sqft)
    $432,490
  • 1850 Milton Ave, Northbrook, IL 60062
    1,384 sqft | $332/sqft | built 1954 | Similar size (1,384 vs 1,425 sqft); Similar age (1954 vs 1953); Similar lot size (9,100 vs 9,000 sqft)
    $460,000

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

Down 14.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$408,470−$71,530−14.9%
2025$480,000−$1,230−0.3%
2024$481,230−$58,770−10.9%
2023$540,000$00.0%
2022$540,000+$180,490+50.2%
2021$359,510$00.0%
2020$359,510——
6-year total+$48,960+13.6%