Cook County Value

857 Dorchester Ave, Palatine, IL 60067

3 bed / 3 bath, 2,847 sqft, built 2004, in Palatine. Assessor market value for 2025: $710,000.

Cook County account 02212210180000

Assessor market value
$710,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,847 sqft
$249 per sqft
Year built
2004
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 60067 and Palatine assessment pages.

Appeal deadlines

For Palatine, appeals to the Assessor are open through (16 days left).

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 $710,000 in 2024 to $710,000 in 2025.
  • Assessor market value per square footThe current public record shows about $249 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Palatine neighborhood and ZIP 60067.
  • Neighborhood value signalAmong 2,438 residential records in the same neighborhood, the average assessor market value is about $253 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.

  • 211 W Palatine Rd, Palatine, IL 60067
    2,980 sqft | $184/sqft | built 1995 | Similar size (2,980 vs 2,847 sqft); Similar lot size (9,840 vs 9,900 sqft); Same quality (Average)
    $549,080
  • 59 W Robertson St, Palatine, IL 60067
    2,906 sqft | $204/sqft | built 2000 | Similar size (2,906 vs 2,847 sqft); Similar age (2000 vs 2004); Lot 12% smaller (8,712 vs 9,900 sqft)
    $594,000
  • 858 Ellis St, Palatine, IL 60067
    2,604 sqft | $230/sqft | built 1991 | 8% smaller (2,604 vs 2,847 sqft); Similar lot size (9,900 vs 9,900 sqft); Same quality (Average)
    $600,000
  • 28 Walnut St, Palatine, IL 60067
    2,591 sqft | $220/sqft | built 1997 | 9% smaller (2,591 vs 2,847 sqft); Similar lot size (10,620 vs 9,900 sqft); Same quality (Average)
    $570,000
  • 145 S Forest Ave, Palatine, IL 60074
    2,722 sqft | $198/sqft | built 1990 | Similar size (2,722 vs 2,847 sqft); Lot 15% larger (11,340 vs 9,900 sqft); Same quality (Average)
    $540,000

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

Up 26.8% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$710,000+$150,000+26.8%
2024$560,000$00.0%
2023$560,000$00.0%
2022$560,000+$166,930+42.5%
2021$393,070$00.0%
2020$393,070——
5-year total+$316,930+80.6%