Cook County Value

2420 Happy Hollow Rd, Glenview, IL 60026

6 bed / 5 bath, 3,742 sqft, built 1970, in Northfield. Assessor market value for 2026: $1,010,850.

Cook County account 04213040270000

Assessor market value
$1,010,850
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,742 sqft
$270 per sqft
Year built
1970
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 60026 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 8.1% from $1,100,000 in 2025 to $1,010,850 in 2026.
  • Assessor market value per square footThe current public record shows about $270 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 60026.
  • 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.

  • 1514 Pfingsten Rd, Glenview, IL 60025
    3,704 sqft | $202/sqft | built 1967 | Similar size (3,704 vs 3,742 sqft); Similar age (1967 vs 1970); Similar lot size (10,304 vs 10,100 sqft)
    $750,000
  • 3825 Chester Dr, Glenview, IL 60026
    3,402 sqft | $250/sqft | built 1972 | 9% smaller (3,402 vs 3,742 sqft); Similar age (1972 vs 1970); Similar lot size (10,023 vs 10,100 sqft)
    $849,860
  • 3617 Liberty Ln, Glenview, IL 60025
    3,854 sqft | $267/sqft | built 1977 | Similar size (3,854 vs 3,742 sqft); Similar lot size (10,500 vs 10,100 sqft); Same quality (Average)
    $1,030,000
  • 912 Tamer Ln, Glenview, IL 60025
    3,772 sqft | $231/sqft | built 1984 | Similar size (3,772 vs 3,742 sqft); Similar lot size (10,164 vs 10,100 sqft); Same quality (Average)
    $870,000
  • 1011 Bette Ln, Glenview, IL 60025
    3,802 sqft | $227/sqft | built 1983 | Similar size (3,802 vs 3,742 sqft); Similar lot size (10,124 vs 10,100 sqft); Same quality (Average)
    $864,340

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 8.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,010,850−$89,150−8.1%
2025$1,100,000+$300,380+37.6%
2024$799,620——
2-year total+$211,230+26.4%