Cook County Value

3925 Gregory Ln, Northbrook, IL 60062

5 bed / 2 bath, 3,346 sqft, built 1962, in Northfield. Assessor market value for 2026: $709,060.

Cook County account 04302030260000

Assessor market value
$709,060
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,346 sqft
$212 per sqft
Year built
1962
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 9.1% from $780,000 in 2025 to $709,060 in 2026.
  • Assessor market value per square footThe current public record shows about $212 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 760 residential records in the same neighborhood, the average assessor market value is about $249 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.

  • 3885 Gregory Ln, Northbrook, IL 60062
    3,245 sqft | $222/sqft | built 1962 | Similar size (3,245 vs 3,346 sqft); Built same year (1962); Similar lot size (10,800 vs 10,125 sqft)
    $720,000
  • 3775 Gregory Ln, Northbrook, IL 60062
    3,234 sqft | $229/sqft | built 1961 | Similar size (3,234 vs 3,346 sqft); Similar age (1961 vs 1962); Similar lot size (10,125 vs 10,125 sqft)
    $740,000
  • 4616 Lilac Ave, Glenview, IL 60025
    3,404 sqft | $217/sqft | built 1955 | Similar size (3,404 vs 3,346 sqft); Similar lot size (10,438 vs 10,125 sqft); Same quality (Average)
    $740,000
  • 3840 Gregory Dr, Northbrook, IL 60062
    3,111 sqft | $251/sqft | built 1960 | 7% smaller (3,111 vs 3,346 sqft); Similar age (1960 vs 1962); Similar lot size (10,125 vs 10,125 sqft)
    $780,000
  • 3525 Merle Ln, Northbrook, IL 60062
    2,929 sqft | $230/sqft | built 1962 | 12% smaller (2,929 vs 3,346 sqft); Built same year (1962); Similar lot size (10,125 vs 10,125 sqft)
    $673,320

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 9.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$709,060−$70,940−9.1%
2025$780,000+$191,800+32.6%
2024$588,200——
2-year total+$120,860+20.5%