Cook County Value

2015 Farnsworth Ln, Northbrook, IL 60062

3 bed / 1 bath, 1,138 sqft, built 1955, in Northfield. Assessor market value for 2026: $385,790.

Cook County account 04162040080000

Assessor market value
$385,790
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,138 sqft
$339 per sqft
Year built
1955
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 10.3% from $430,010 in 2025 to $385,790 in 2026.
  • Assessor market value per square footThe current public record shows about $339 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.

  • 1979 Dundee Rd, Northbrook, IL 60062
    1,124 sqft | $311/sqft | built 1956 | Similar size (1,124 vs 1,138 sqft); Similar age (1956 vs 1955); Similar lot size (10,080 vs 10,126 sqft)
    $350,000
  • 2372 Brentwood Rd, Northbrook, IL 60062
    1,121 sqft | $357/sqft | built 1953 | Similar size (1,121 vs 1,138 sqft); Similar age (1953 vs 1955); Similar lot size (10,140 vs 10,126 sqft)
    $400,000
  • 2007 Redwood Ln, Northbrook, IL 60062
    1,140 sqft | $351/sqft | built 1955 | Similar size (1,140 vs 1,138 sqft); Built same year (1955); Similar lot size (9,632 vs 10,126 sqft)
    $400,000
  • 827 Laurel Ln, Northbrook, IL 60062
    1,156 sqft | $277/sqft | built 1957 | Similar size (1,156 vs 1,138 sqft); Similar age (1957 vs 1955); Similar lot size (10,020 vs 10,126 sqft)
    $320,000
  • 816 Oakleaf Ter, Northbrook, IL 60062
    1,132 sqft | $327/sqft | built 1956 | Similar size (1,132 vs 1,138 sqft); Similar age (1956 vs 1955); Similar lot size (10,525 vs 10,126 sqft)
    $370,190

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 10.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$385,790−$44,220−10.3%
2025$430,010+$43,460+11.2%
2024$386,550$00.0%
2023$386,550$00.0%
2022$386,550+$50,310+15.0%
2021$336,240+$100.0%
2020$336,230——
6-year total+$49,560+14.7%