Cook County Value

3944 Brett Ln, Glenview, IL 60026

4 bed / 3 bath, 2,935 sqft, built 1976, in Northfield. Assessor market value for 2026: $800,010.

Cook County account 04292030010000

Assessor market value
$800,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,935 sqft
$273 per sqft
Year built
1976
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 stayed about the same, from $800,010 in 2025 to $800,010 in 2026.
  • Assessor market value per square footThe current public record shows about $273 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.

  • 3850 Grace Ln, Glenview, IL 60025
    2,936 sqft | $266/sqft | built 1976 | Similar size (2,936 vs 2,935 sqft); Built same year (1976); Similar lot size (10,063 vs 10,073 sqft)
    $780,540
  • 3805 Brett Ln, Glenview, IL 60026
    2,960 sqft | $268/sqft | built 1976 | Similar size (2,960 vs 2,935 sqft); Built same year (1976); Similar lot size (10,573 vs 10,073 sqft)
    $793,690
  • 3803 Miller Dr, Glenview, IL 60026
    2,929 sqft | $246/sqft | built 1972 | Similar size (2,929 vs 2,935 sqft); Similar age (1972 vs 1976); Similar lot size (10,010 vs 10,073 sqft)
    $720,010
  • 3913 Miller Dr, Glenview, IL 60026
    2,918 sqft | $251/sqft | built 1973 | Similar size (2,918 vs 2,935 sqft); Similar age (1973 vs 1976); Similar lot size (10,164 vs 10,073 sqft)
    $732,630
  • 3616 Liberty Ln, Glenview, IL 60025
    2,910 sqft | $278/sqft | built 1978 | Similar size (2,910 vs 2,935 sqft); Similar age (1978 vs 1976); Similar lot size (10,028 vs 10,073 sqft)
    $808,280

Recent comparable sales

Sales selected by similarity to the subject property.

  • 3116 Mary Kay Ln, Glenview, IL 60026
    June-29-2026 | 2,850 sqft | $246/sqft | built 1969 | Similar size (2,850 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $701,000
  • 3321 Lakewood Ct, Glenview, IL 60026
    3,012 sqft | $190/sqft | built 1982 | Similar size (3,012 sqft); Moderate age difference (6 years newer); Same beds (4)
    $572,500
  • 3824 Chester Dr, Glenview, IL 60026
    3,100 sqft | $290/sqft | built 1972 | 6% size difference (3,100 sqft); Moderate age difference (4 years older); Within 1 bedroom (5 vs 4)
    $900,000

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$800,010$00.0%
2025$800,010+$308,830+62.9%
2024$491,180$00.0%
2023$491,180−$31,940−6.1%
2022$523,120+$172,470+49.2%
2021$350,650+$100.0%
2020$350,640——
6-year total+$449,370+128.2%