Cook County Value

3170 Doriann Dr, Northbrook, IL 60062

5 bed / 3 bath, 2,856 sqft, built 1975, in Northfield. Assessor market value for 2026: $784,100.

Cook County account 04202090010000

Assessor market value
$784,100
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,856 sqft
$275 per sqft
Year built
1975
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 60062 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 5.5% from $830,010 in 2025 to $784,100 in 2026.
  • Assessor market value per square footThe current public record shows about $275 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 60062.
  • Neighborhood value signalAmong 2,922 residential records in the same neighborhood, the average assessor market value is about $298 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.8% on average.

Comparable assessments

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

  • 2719 Oak Ave, Northbrook, IL 60062
    2,871 sqft | $303/sqft | built 1975 | Similar size (2,871 vs 2,856 sqft); Built same year (1975); Similar lot size (11,988 vs 12,137 sqft)
    $870,000
  • 3120 Kayjay Dr, Northbrook, IL 60062
    2,874 sqft | $286/sqft | built 1978 | Similar size (2,874 vs 2,856 sqft); Similar age (1978 vs 1975); Similar lot size (12,000 vs 12,137 sqft)
    $823,200
  • 2726 Illinois Rd, Northbrook, IL 60062
    2,852 sqft | $295/sqft | built 1974 | Similar size (2,852 vs 2,856 sqft); Similar age (1974 vs 1975); Similar lot size (11,988 vs 12,137 sqft)
    $840,000
  • 3139 Violet Ln, Northbrook, IL 60062
    2,859 sqft | $268/sqft | built 1970 | Similar size (2,859 vs 2,856 sqft); Similar age (1970 vs 1975); Similar lot size (12,075 vs 12,137 sqft)
    $765,220
  • 2465 Hampton Ln, Northbrook, IL 60062
    2,851 sqft | $284/sqft | built 1977 | Similar size (2,851 vs 2,856 sqft); Similar age (1977 vs 1975); Similar lot size (12,723 vs 12,137 sqft)
    $810,010

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 5.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$784,100−$45,910−5.5%
2025$830,010+$237,310+40.0%
2024$592,700——
2-year total+$191,400+32.3%