Cook County Value

851 N Dearborn St, Chicago, IL 60610

4 bed / 4 bath, 3,225 sqft, built 1883, in North Chicago. Assessor market value for 2025: $1,258,800.

Cook County account 17044420520000

Assessor market value
$1,258,800
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,225 sqft
$390 per sqft
Year built
1883
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 60610, North Chicago, and Lincoln Park assessment pages.

Appeal deadlines

North Chicago 2026 appeal dates 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 $1,258,800 in 2024 to $1,258,800 in 2025.
  • Assessor market value per square footThe current public record shows about $390 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the North Chicago neighborhood and ZIP 60610.
  • Neighborhood value signalAmong 392 residential records in the same neighborhood, the average assessor market value is about $785 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 61 E Elm St, Chicago, IL 60611
    3,299 sqft | $621/sqft | built 1887 | Similar size (3,299 vs 3,225 sqft); Similar age (1887 vs 1883); Similar lot size (1,204 vs 1,202 sqft)
    $2,050,000
  • 859 N Dearborn St, Chicago, IL 60610
    2,994 sqft | $347/sqft | built 1883 | 7% smaller (2,994 vs 3,225 sqft); Built same year (1883); Similar lot size (1,200 vs 1,202 sqft)
    $1,040,000
  • 47 E Elm St 02360, Chicago, IL 60611
    3,235 sqft | $408/sqft | built 1888 | Similar size (3,235 vs 3,225 sqft); Similar age (1888 vs 1883); Similar lot size (1,216 vs 1,202 sqft)
    $1,320,000
  • 1254 N La Salle St, Chicago, IL 60610
    2,988 sqft | $549/sqft | built 1885 | 7% smaller (2,988 vs 3,225 sqft); Similar age (1885 vs 1883); Similar lot size (1,309 vs 1,202 sqft)
    $1,640,010
  • 41 E Elm St Hse, Chicago, IL 60611
    3,334 sqft | $625/sqft | built 1888 | Similar size (3,334 vs 3,225 sqft); Similar age (1888 vs 1883); Lot 18% larger (1,423 vs 1,202 sqft)
    $2,085,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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 14.4% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$1,258,800−$211,200−14.4%
2024$1,470,000+$14,290+1.0%
2023$1,455,710−$54,170−3.6%
2022$1,509,880−$210,120−12.2%
2021$1,720,000+$201,850+13.3%
2020$1,518,150——
5-year total−$259,350−17.1%