Cook County Value

2839 Farminington Rd Northbrook

3 bed / 2 bath, 2,114 sqft, built 1976, in Northfield. Assessor market value for 2026: $670,000.

Cook County account 04202070160000

Assessor market value
$670,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,114 sqft
$317 per sqft
Year built
1976
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 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 stayed about the same, from $670,000 in 2025 to $670,000 in 2026.
  • Assessor market value per square footThe current public record shows about $317 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northfield neighborhood.
  • Neighborhood value signalAmong 2,922 residential records in the same neighborhood, the average assessor market value is about $298 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.8% on average.

Comparable assessments

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

  • 2841 Manor Dr, Northbrook, IL 60062
    2,121 sqft | $269/sqft | built 1974 | Similar size (2,121 vs 2,114 sqft); Similar age (1974 vs 1976); Similar lot size (7,523 vs 7,800 sqft)
    $570,560
  • 2408 Auburn Ln, Northbrook, IL 60062
    2,129 sqft | $265/sqft | built 1974 | Similar size (2,129 vs 2,114 sqft); Similar age (1974 vs 1976); Similar lot size (8,316 vs 7,800 sqft)
    $563,530
  • 2821 Manor Dr, Northbrook, IL 60062
    2,146 sqft | $303/sqft | built 1974 | Similar size (2,146 vs 2,114 sqft); Similar age (1974 vs 1976); Similar lot size (8,316 vs 7,800 sqft)
    $650,000
  • 1141 Antique Ln, Northbrook, IL 60062
    2,088 sqft | $311/sqft | built 1969 | Similar size (2,088 vs 2,114 sqft); Lot 15% larger (8,976 vs 7,800 sqft); Same quality (Average)
    $650,000
  • 3028 Rennes Ct, Northbrook, IL 60062
    2,073 sqft | $304/sqft | built 1978 | Similar size (2,073 vs 2,114 sqft); Similar age (1978 vs 1976); Same quality (Average)
    $630,010

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. 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$670,000$00.0%
2025$670,000+$210,000+45.7%
2024$460,000——
2-year total+$210,000+45.7%