Cook County Value

1637 Blackthorn Dr, Glenview, IL 60025

4 bed / 2 bath, 2,665 sqft, built 1968, in Northfield. Assessor market value for 2026: $920,000.

Cook County account 04263030080000

Assessor market value
$920,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,665 sqft
$345 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 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 stayed about the same, from $920,000 in 2025 to $920,000 in 2026.
  • Assessor market value per square footThe current public record shows about $345 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 679 residential records in the same neighborhood, the average assessor market value is about $343 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.5% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 1621 Del Ogier Dr, Glenview, IL 60025
    2,639 sqft | $367/sqft | built 1970 | Similar size (2,639 vs 2,665 sqft); Similar age (1970 vs 1968); Similar lot size (14,019 vs 14,320 sqft)
    $969,000
  • 1709 Sequoia Trl, Glenview, IL 60025
    2,662 sqft | $325/sqft | built 1967 | Similar size (2,662 vs 2,665 sqft); Similar age (1967 vs 1968); Similar lot size (15,300 vs 14,320 sqft)
    $863,850
  • 1641 Blackthorn Dr, Glenview, IL 60025
    2,684 sqft | $339/sqft | built 1966 | Similar size (2,684 vs 2,665 sqft); Similar age (1966 vs 1968); Similar lot size (14,669 vs 14,320 sqft)
    $910,010
  • 1632 Blackthorn Dr, Glenview, IL 60025
    2,692 sqft | $330/sqft | built 1965 | Similar size (2,692 vs 2,665 sqft); Similar age (1965 vs 1968); Similar lot size (14,160 vs 14,320 sqft)
    $889,170
  • 1732 Riverside Ct, Glenview, IL 60025
    2,678 sqft | $317/sqft | built 1967 | Similar size (2,678 vs 2,665 sqft); Similar age (1967 vs 1968); Similar lot size (13,224 vs 14,320 sqft)
    $850,000

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

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$920,000$00.0%
2025$920,000+$275,000+42.6%
2024$645,000——
2-year total+$275,000+42.6%