Cook County Value

3900 Countryside Ln, Glenview, IL 60025

4 bed / 3 bath, 4,379 sqft, built 2007, in Northfield. Assessor market value for 2026: $1,065,760.

Cook County account 04324011920000

Assessor market value
$1,065,760
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,379 sqft
$243 per sqft
Year built
2007
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 60025 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 14.7% from $1,250,000 in 2025 to $1,065,760 in 2026.
  • Assessor market value per square footThe current public record shows about $243 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 60025.
  • Neighborhood value signalAmong 1,727 residential records in the same neighborhood, the average assessor market value is about $299 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.8% on average.

Comparable assessments

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

  • 3910 Countryside Ln, Glenview, IL 60025
    4,381 sqft | $243/sqft | built 2007 | Similar size (4,381 vs 4,379 sqft); Built same year (2007); Similar lot size (12,319 vs 12,335 sqft)
    $1,065,880
  • 3824 Miller Dr, Glenview, IL 60026
    4,367 sqft | $251/sqft | built 2006 | Similar size (4,367 vs 4,379 sqft); Similar age (2006 vs 2007); Similar lot size (12,201 vs 12,335 sqft)
    $1,094,370
  • 3816 Miller Dr, Glenview, IL 60026
    4,259 sqft | $308/sqft | built 2003 | Similar size (4,259 vs 4,379 sqft); Similar age (2003 vs 2007); Similar lot size (12,198 vs 12,335 sqft)
    $1,310,000
  • 3632 Keenan Ln, Glenview, IL 60026
    4,315 sqft | $292/sqft | built 2001 | Similar size (4,315 vs 4,379 sqft); Similar lot size (11,700 vs 12,335 sqft); Same quality (Average)
    $1,258,940
  • 3808 Miller Dr, Glenview, IL 60026
    4,092 sqft | $264/sqft | built 2004 | 7% smaller (4,092 vs 4,379 sqft); Similar age (2004 vs 2007); Similar lot size (12,194 vs 12,335 sqft)
    $1,081,800

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 14.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,065,760−$184,240−14.7%
2025$1,250,000+$399,440+47.0%
2024$850,560−$65,250−7.1%
2023$915,810−$74,190−7.5%
2022$990,000+$279,910+39.4%
2021$710,090+$100.0%
2020$710,080——
6-year total+$355,680+50.1%