Cook County Value

1020 Butternut Ln, Northbrook, IL 60062

4 bed / 2 bath, 2,880 sqft, built 2021, in Northfield. Assessor market value for 2026: $1,400,000.

Cook County account 04092040180000

Assessor market value
$1,400,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,880 sqft
$486 per sqft
Year built
2021
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 stayed about the same, from $1,400,000 in 2025 to $1,400,000 in 2026.
  • Assessor market value per square footThe current public record shows about $486 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 2,200 residential records in the same neighborhood, the average assessor market value is about $346 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

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

  • 1540 Walters Ave, Northbrook, IL 60062
    2,701 sqft | $411/sqft | built 2013 | 6% smaller (2,701 vs 2,880 sqft); Similar lot size (11,950 vs 11,342 sqft); Same quality (Average)
    $1,110,000
  • 630 Garden Ct, Glenview, IL 60025
    2,890 sqft | $464/sqft | built 2018 | Similar size (2,890 vs 2,880 sqft); Similar age (2018 vs 2021); Lot 19% smaller (9,168 vs 11,342 sqft)
    $1,340,000
  • 1958 Henley St, Glenview, IL 60025
    2,944 sqft | $471/sqft | built 2021 | Similar size (2,944 vs 2,880 sqft); Built same year (2021); Same quality (Average)
    $1,385,490
  • 2842 Central Rd, Glenview, IL 60025
    2,778 sqft | $349/sqft | built 2007 | Similar size (2,778 vs 2,880 sqft); Lot 10% larger (12,525 vs 11,342 sqft); Same quality (Average)
    $970,010
  • 2000 Linneman St, Glenview, IL 60025
    2,962 sqft | $462/sqft | built 2016 | Similar size (2,962 vs 2,880 sqft); Similar age (2016 vs 2021); Lot 18% smaller (9,250 vs 11,342 sqft)
    $1,367,960

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

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$1,400,000$00.0%
2025$1,400,000+$1,261,060+907.6%
2024$138,940−$225,480−61.9%
2020$364,420——
6-year total+$1,035,580+284.2%