Cook County Value

3125 Mary Kay Ln, Glenview, IL 60026

4 bed / 2 bath, 2,450 sqft, built 1968, in Northfield. Assessor market value for 2026: $767,900.

Cook County account 04214080260000

Assessor market value
$767,900
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,450 sqft
$313 per sqft
Year built
1968
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 1.6% from $780,000 in 2025 to $767,900 in 2026.
  • Assessor market value per square footThe current public record shows about $313 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.

  • 3934 Carousel Dr, Northbrook, IL 60062
    2,496 sqft | $284/sqft | built 1968 | Similar size (2,496 vs 2,450 sqft); Built same year (1968); Similar lot size (12,881 vs 13,041 sqft)
    $710,000
  • 1451 Crown Ln, Glenview, IL 60025
    2,417 sqft | $281/sqft | built 1967 | Similar size (2,417 vs 2,450 sqft); Similar age (1967 vs 1968); Similar lot size (12,838 vs 13,041 sqft)
    $680,000
  • 3312 Maple Leaf Dr, Glenview, IL 60026
    2,496 sqft | $308/sqft | built 1969 | Similar size (2,496 vs 2,450 sqft); Similar age (1969 vs 1968); Similar lot size (12,374 vs 13,041 sqft)
    $770,000
  • 3879 Grace Ln, Glenview, IL 60025
    2,422 sqft | $297/sqft | built 1975 | Similar size (2,422 vs 2,450 sqft); Similar lot size (12,866 vs 13,041 sqft); Same quality (Average)
    $720,000
  • 3012 Mary Kay Ln, Glenview, IL 60026
    2,496 sqft | $285/sqft | built 1968 | Similar size (2,496 vs 2,450 sqft); Built same year (1968); Similar lot size (12,000 vs 13,041 sqft)
    $710,180

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 1.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$767,900−$12,100−1.6%
2025$780,000+$210,000+36.8%
2024$570,000——
2-year total+$197,900+34.7%